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Manual - Amalgamated Instrument Co Pty Ltd

1. CAL mode power up sequence plus push button sequence allows access to all functions including calibration parameters Once CAL or FURL mode has been entered you can step through the functions by pressing and releasing the GJ push button until the required function is reached Changes to functions are made by pressing the or M push button in some cases both simultaneously when the required function is reached Entering CA Mode Entering Furi Mode 1 Remove power from the instrument Hold in the B button and reapply power The display will briefly indicate CAL as part of the wake up messages when the EAL message is seen you can release the button Move to step 2 below No special power up procedure is required to enter FUNE mode 2 When the wake up a 1 When the wake up messages have finished messages have finished and the display has settled and the display has settled down to its normal reading down to its normal reading press then release the press then release the button B button Move to step 3 below PEP 3 Within 2 seconds of CONT 2 Within 2 seconds of releasing the button releasing the J button press then release press then release the amp and amp buttons the 2 and amp buttons together The display will together The display will now indicate Fung followed now indicate FURE followed by the first function by the first function Note If step 1 above has been completed the
2. CR gt Where lt ACK gt is the Acknowledge c haracter 6 Dec 06 Hex AB ASCII C is the command character see following poll commands available A is the unit address Range 32 to 63 Dec 20 to 3F Hex SPACE to ASCII the address is offset by 32 Dec 20 Hex lt CR gt is Carriage Return 13 Dec 0D Hex AM ASCII N is the relay number in ASCII e g 1 for alarm 1 etc X SPACE for positive or for negative YYYY is the returned relay value in ASCII Notes Leading spaces 32 Dec 20 Hex will be transmitted if the display value is less than 4 digits long If the decimal point is non zero then it will be sent in the appropriate place as 46 Dec 2E Hex and will use the space normally set for positive numbers X value above if the number has 4 digits plus a decimal point The POLL commands available and instrument responses are as follows 1 Transmit Primary display value lt STX gt PA lt CR gt D lt CR gt e g ABP AM2AM using a terminal program channel 2 address 1 Instructs unit to return the primary display value for the selected channel Format of returned data is lt ACK gt PAXYYYY lt CR gt Where lt ACK gt is Acknowledge 6 Dec 06 Hex P echo command received P 80 Dec 50 Hex A is the responding units address TP488IVMAN 2 0 0 41 of 53 X SPACE for positive or for negative YYYY is the value in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex 2 Tran
3. Default Value 2 amp Selects the input or temperature sensor type to be used with the selected channel The selections are 4 26 selects 4 20mA B 4G selects 0 1V 335 selects LM335 semiconductor tempera ture transducer and ASE selects AD590 semiconductor temperature transducer See also the Electrical Installation chapter for 4 20mA input link locations 5 14 Decimal point for selected channel Display CPE Range U to 6 863 Default Value amp Displays and sets the decimal point position for the selected channel TP488IVMAN 2 0 0 21 of 53 5 15 Digital filter Display Fler Range U to B Default Value 2 Displays and sets the digital filter value Digital filtering uses a weighted average method of determining the display value and is used for reducing display value variation due to short term interference The digital filter range is selectable from amp to B where D none and B most filtering Use or at the FLEr function to alter the filter level if required Note that the higher the filter setting the longer the display may take to reach its final value when the input is changed similarly the relay operation and any output options will be slowed down when the filter setting is increased To set the digital filter value go to the FLtr function and use the or M push buttons to set the required value then press I to accept this selection 5 16 First calibration scaling point Display CAL i Range
4. EUEN or add Optional Optional this function will only be accessible if the relevant option is fitted TP488IVMAN 2 0 0 15 of 53 Enter your settings for each channel in the spaces provided A single space for all channels indicates that the setting is common to all channels Display Description Range 1 2 3 4 5 6 7 8 G Put Serial output mode d 5P COnt POLL FibuS or A bu5 Optional Addr Serial output Address Otoi Optional r byP Analog output mode SLC amp H Loor AUGE Optional Analog output type 4 20 D iDor D ig Optional Analog output channels EXY or EXA Optional dLRY Log update G D to 66 68 Optional Hour Set time D D ito 24 aG Optional n a GREE Set date D LD ito3i iZ Optional n a YERT Set year 970 to 2037 Optional n a r rm Clear log memory Optional n a Optional this function will only be accessible if the relevant option is fitted 16 of 53 TP488IVMAN 2 0 0 5 Explanation of functions The setup and calibration functions are configured through a push button sequence The push buttons located at the front of the instrument are used to alter settings Two basic access modes are available FURE mode simple push button sequence allows access to commonly set up functions such as alarm setpoints
5. J button the display will now indicate EAL End indicating that calibration of the first point is complete 5 The display will now indicate CALZ 2nd calibration point Either step through the func tions using the button to bypass the second calibration point or enter the 2nd calibration mode as above by pressing the amp and amp buttons simultaneously 6 Apply an input of 100 again this value is not critical for best accuracy should not be too close to the previous value When the reading has stabilised press the button the display will now read SEL scale 2 followed by the second scale value in memory 7 Press the or amp button to obtain the required scale value Press the I button the display will now read CAL End indicating that calibration of the second point is complete The display will return to the measure mode with calibration access Note When entering the second point independently the first calibration point may be bypassed simply by pressing the J button instead of the Z and amp buttons simultaneously Temperature calibration This method uses the EAL to enter a single point calibration for temperature sensors AD590 or LM335 The procedure is as follows 1 Connect a temperature sensor and place it in a known temperature environment Ideally the temperature should be at the maximum end of measurement range for the application e g if the maximum expected temperature for the installation
6. 7 8 ALHY Hysteresis value D to 9999 AL amp e Alarm trip time Gto 9999 Atre Alarm reset time D to 9999 AL na or Alarm operation AL nec RAin a or Aine Fin or Auto no beeper Lab or Latch no beeper FibP or Auto with beeper LbP Latch with beeper L E Allocate relay to input channel Fe Manual relay override GH or GFF d GFF Auto blanking Gto 9999 FEC Analog output low limit Optional Optional this function will only be accessible if the relevant option is fitted 14 of 53 TP488IVMAN 2 0 0 Enter your settings for each channel in the spaces provided A single space for all channels indicates that the setting is common to all channels Display Description Range 1 2 3 4 5 6 7 8 FEET Analog output high limit Optional EYPE Input type 4 20 0 743 335 or AST ASOP amp Decimal point Sto 6 883 Fitr Digital filter Oto B CAL Calibration first point CAL Calibration second point GFSt Calibration offset SELE Input scale UCAL Uncalibrate n a n a n a n a n a n a n a n a S Ja Display polarity both PGS or RES Un amp Temp unit SC or PF SCRA Scan time Sto 6a Chr Channels ito B A t YP Relay operation SnD SLCe or SELLA bAUd Baud rate OD to 38 4 Optional Pet Serial output Parity NONE
7. Relay manual override F Fiy When setup to operate in this mode any relay which is activated can be de activated manually i e the alarm condition overridden simply by pressing the I button The front panel annunciator LED will indicate which channel not necessarily the relay number which has caused the relay activation Prior to being reset the annunciator LED for the channel which caused the relay activation will flash when reset then annunciator LED will extinguish even if this channel is still in an alarm condition To allow operation in this mode the F FLY function must be set to on for the relays required Any relays with F FLY set to GFF cannot be reset via the GJ button If the 8 button is pressed to acknowledge an alarm condition on a relay with F FLY set to GFF then the annunciator LED for that relay will change from a flashing LED to a solidly lit LED The LED will remain lit whilst an alarm condition exists for that relay 6 9 Alarm Relay Operating Modes A k FP Single Mode In single mode each alarm relay is activated by the input at its corresponding channel thus alarm relay 1 is assigned to input channel 1 etc To choose single mode select SAS at the A k P function The A k YP function is accessible only when the functions are entered via EAL mode To set up the alarm setpoints and other functions simply select the required relay selected at the channel number display and step to the required function using the Q button then al
8. Starting address Lo 00 Number of points Hi 00 Number of points Lo 08 Error check LRC or CRC An example of a response is given below Field name Example Hex Unit address 02 Function 0l Byte count O1 Data coils 8 to 1 B6 Error check LRC or CRC The status of the relay coils is shown in the Data B6 hex or binary 10110110 Relay 1 is indicated by the least significant binary bit The status of the relays is therefore Relay 1 OFF Relay 2 ON Relay 3 ON Relay 4 OFF Relay 5 ON Relay 6 ON Relay 7 OFF and Relay 8 ON Function 3 Read holding registers This function reads the binary contents of the holding registers in the instrument being addressed The value for this function is stored as a 32 but two s compliment number in two 16 bit registers per channel Note a value of 32000 represents a positive overrange and 32000 a negative overrange Registers 1 to 8 are addressed as 0X00 to 0X07 Registers 9 to 16 hold the alarm high values for relays 1 to 8 Note a value of 0X8000 means that the relay is set to OFF and has no high value Registers 9 to 16 are addressed as 0X08 to OXOF Registers 17 to 24 hold the alarm low values for relays 1 to 8 Note a value of 0X8000 means that the relay is set to OFF and has no low value Registers 17 to 24 are addressed as 0X10 to OX17 Registers 25 to 32 represent the decimal point settings for channels 1 to 8 Registers
9. TP488 is used with the download PC software provided when the datalogger option is purchased the commands below are intended to be used as an alternative method of communication to the download PC software Initial Setup Select the baud rate parity and address as required The serial output mode function G P ut must be set to PGLL when using the data logger using the commands below Note if comminincating using the PC download software provided then the G Put can be set to POLL if required but setting this function to A bu5S will make initial setup easier Transmit Record Block lt STX gt DA lt CRS gt D lt CRSTTTTTTTTTT lt CRSNNNN lt CR gt Where TTTTTTTTTT is the start time of the block in Julian time format NNNN is the number of records to be sent Instructs the unit to send a block of logged data via the serial interface The returned data format is lt ACK gt DAD lt CR gt followed by NNNN records in the format TTTTTTTTTT S1111 82222 83333 S4444 55555 56666 S7777 S8888 lt CR gt where TTTTTTTTTT is the start time for each record in Julian time format If TTTTTTTTTT time in Transmit Record Block request is sent as 0 then the records will start at the earliest time in log memory S is the sign lt SPACE gt for positive values and for negative 1111 2222 etc are the values for each channel Values will only be transmitted for active channels Invalid readings from any channel will be received as the ov
10. is 50 C then place the sensor at around this temperature 2 Select the channel required then enter setup functions via AL mode see page 17 for proce dure 36 of 53 TP488IVMAN 2 0 0 3 Go to the CAL function and press the and amp buttons simultaneously to enter the calibration mode The display will now indicate L UE followed by the live reading 4 When the live reading has stabilised press the I button 5 The display will indicate SEL 4 scale 1 followed by the scale value in memory Now press the or M button to obtain the required scale calibration value Press the J button the display will now indicate EAL End indicating that calibration is complete 7 2 Offset calibration GF SE Calibration offset the calibration offset is a single point adjustment which can be used to alter the calibration scaling values across the entire measuring range without affecting the calibra tion slope This method can be used instead of performing a two point calibration when a constant measurement error is found to exist across the entire range To perform a calibration offset press the and buttons simultaneously at the BF St function A live reading from the input will be seen and the display will briefly flash the message L WE make a note of this reading Press the button the message SELE will now be seen followed by the last scale value in memory Use the amp or amp button to adjust the scale value to th
11. rate GLL controlled by computer or PLC as host Host sends command via RS232 485 and instru ment responds as requested Fi buS is a special communications mode used with Windows compatible optional PC download software Refer to the user manual supplied with this optional software A buS Modbus RTU protocol 5 29 Instrument address for serial communications Display Addr Range DtoJi Default Value amp Set unit address for polled PELL mode 8 to 3 Allows several units to operate on the same RS485 interface reporting on different areas etc The host computer or PLC may poll each unit in turn supplying the appropriate address The unit address ranges from 0 to 31 DEC but is offset by 32 DEC to avoid clashing with ASCII special function characters such as lt STX gt and lt CR gt Therefore 32 DEC or 20 HEX is address 0 42 DEC or 2A HEX is address 10 Refer to Chapter 8 page 39 for further details 5 30 Analog output mode Display r byP Range SLEE H LG or RAUSE Default Value Stitt The optional analog output can be made to operate in one of four ways indicated by SLEE HE LG or AUG If SLEE is selected within this function then the channel whose input will be output via the recorder output is selected by an external BCD input SLCT1 SLCT2 and SLCTS3 on the circuit board If H is selected then the highest input value from any input channel selected in ra CH will be output If D is selected th
12. wire transmitter 4 to 20mA 18 28V operation EE LK34 20mA OUTPUT BE oma D 4 20mA link installed SHIELD TP488IVMAN 2 0 0 9 of 53 3 2 3 Two wire 4 to 20mA externally powered transmitter Shown connected to input 1 in this example Two wire 4 to 20mA transmitter externally powered 4 20mA link installed B k5 4 20ma Tes ke 4 20ma Transmitter SHIELD 3 2 4 Three wire 4 to 20mA externally powered transmitter Shown connected to input 5 in this example Three wire 4 to 20mA transmitter externally powered Power supply 4 20mA link installed MKS 4 20ma Tes ke 4 20ma Jano Pon sat acts fosunn Shield 3 2 5 Four wire 4 to 20mA externally powered transmitter Shown connected to input 6 in this example Four wire 4 to 20mA externally powered transmitter EE Lk3 4 20ma HE lt 4 20ma Oat 4 20mA link installed External power Shield 10 of 53 TP488IVMAN 2 0 0 3 2 6 O 1VDC input Shown connected to input 1 in this example 0 to 1V ers ks 4 20ma DC input ET ke 4 20ma 3 2 7 LM335 input Shown connected to input 6 in this example ma 1K74 20ma es Lks 4 20ma 3 2 8 AD590 input Shown connected to input 5 in this example EE LKS 4 20ma E ike 4 20ma TP488IVMAN 2 0 0 11 of 53 3 2 9 Optional analog output The output board has facilities for 4 20mA 0 1V or 0 10V retransmission and is factory supplied with al
13. 20 seconds 0 30 30 seconds 1 00 1 minute 2 00 2 minutes 3 00 3 minutes 4 00 4 minutes 5 00 5 minutes 6 00 6 minutes 10 00 10 minutes 15 00 15 minutes 20 00 20 minutes 30 00 30 minutes and 60 00 60 minutes Note The data log memory see L E r below must be cleared whenever the log update time is changed or the date and time is changed 5 34 Set datalogger clock Display Hour Range 6 3 to 24 00 Default Value n a Set time seen only with data logger option Refer to section 10 Displays and sets the current time in hours and minutes 24 hour format HH MM e g set as 1 26 for 5 20 pm 5 35 Set datalogger date Display GREE Range D LD itoi i Default Value Date Set date seen only with data logger option Refer to section 10 26 of 53 TP488IVMAN 2 0 0 Displays and sets the current date in days and months DD MM format The months will roll over automatically up at the end of the month down at the beginning of the month as the day is scrolled up or down 5 36 Set datalogger year Display SERT Range VG to 2037 Default Value n a Set year seen only with data logger option Refer to section 10 Displays and sets the current year YYYY format Valid years settings are from 1970 to 2037 valid Julian time format years 5 37 Clear data logger memory Display L Cber Range n a Default Value n a Clear data log memory seen only with data logger option Refer to sectio
14. 25 to 32 are addressed as 0X18 to OX1E TP488IVMAN 2 0 0 45 of 53 An example of a query to read input channels 1 to 3 from an instrument at address 5 is given below Field name Example Hex Unit address 05 Function 03 Starting address Hi 00 Number of points Hi 00 Number of points Lo 03 Error check LRC or CRC An example of a response is given below Field name Example Hex Unit address 05 Function 03 Byte count 06 Data Hi register 1 00 Data Lo register 1 33 Data Hi register 2 00 Data Lo register 2 25 Data Hi register 3 00 Data Lo register 3 17 Error check LRC or CRC The value of register 1 is 0033 Hex which is 51 Dec The value of register 2 is 0025 Hex which is 37 Dec The value of register 3 is 0017 Hex which is 23 Dec 46 of 53 TP488IVMAN 2 0 0 Register table for TP488 displays using Modbus RTU function 3 Address Register Description 0X00 1 Channel 1 display value 0X01 2 Channel 3 display value 0X02 3 Channel 3 display value 0X03 4 Channel 4 display value 0X04 5 Channel 5 display value 0X05 6 Channel 6 display value 0X06 7 Channel 7 display value 0X07 8 Channel 8 display value 0X08 9 Relay 1 high setpoint 0X09 10 Relay 2 high setpoint 0X0A 11 Relay 3 high setpoint 0X0B 12 Relay 4 high setpoint 0X0C 13 Rela
15. ASCII 31 to 38 Hex YYYY is the raw 8 bit display data This information is output at the same rate as the sample rate The number of image bytes sent depends on the number of display digits present This mode is suitable only when the receiving unit is produced by the same manufacturer as the TP488 The data sent is seven segment display image i e Bit 0 is segment A Bit 1 is segment B etc TP488IVMAN 2 0 0 39 of 53 Cant Continuous Transmit Mode In this mode the display value is continually transmitted out via the RS232 485 interface in ASCII format with 8 data bits 1 stop bit Data will be updated at approximately the same rate as the sample rate The format for this mode is lt STX gt XAAAA X BBBB XCCCC XHHHH lt CR gt Where lt STX gt is start of text character 2 Dec 02 Hex AB ASCII X SPACE 32 Dec 20 Hex for a positive value or X 45 Dec 2D Hex for a negative value AAAA is the display value for Channel 1 in ASCII BBBB is the display value for Channel 2 in ASCII CCCC is the display value for Channel 3 in ASCII HHHH is the display value for Channel 8 in ASCII lt CR gt isa Carriage Return 13 Dec 0D Hex AM ASCII Notes Display values will only be sent for active channels i e the channels selected at the Ehn function Leading spaces 32 Dec 20 Hex will be transmitted if the display value is less than 4 digits long If the decimal point is non zero then it will be sent in the approp
16. Any display value Default Value n a First scaling point for 2 point calibration scaling See Calibration chapter section 7 1 5 17 Second calibration scaling point Display CALZ Range Any display value Default Value n a Second scaling point for 2 point calibration scaling See Calibration chapter section Tel This function will not be seen if LM335 or AD590 input is selected 5 18 Calibration offset Display DF SE Range Any display value Default Value n a Calibration offset See section 7 2 22 of 53 TP488IVMAN 2 0 0 5 19 Input scaling without live input Display SELE Range Default Value n a Scaling function See section 7 3 5 20 Uncalibrate Display UCAL Range Default Value Uncalibrate resets calibration See Calibration chapter section 7 4 5 21 Display polarity Display vg Range both PGS or RES Default Value bath Display polarity for selected channel both means that positive and negative values can be displayed PGS means that only positive values will be displayed any value below zero will be rounded to zero F amp F means that only negative values will be displayed any value above zero will be rounded to zero 5 22 Temperature units Display Une Range oC or SF Default Value F Selects temperature units for use when a temperature sensor input is used Select E or FF for a display in Celsius or Fahrenheit 5 23 Scanning time per channel Display S
17. CAN Range Sto 5D Default Value amp Sets display automatic scanning display time from 0 off to 60 seconds TP488IVMAN 2 0 0 23 of 53 5 24 Number of active channels Display Chri Range ito Default Value B Selects the number of active channels from 1 to 8 This can be used to prevent unused channels from being displayed 5 25 Relay operation type Display FLE YP Range Sa Stce or SELLA Default Value Sn Allows selection of single mode Sn or select mode S Ek or SEL R operation See Alarm Relays chapter for further details 5 26 Baud rate for serial communications Display bRuUd Range 300 600 200 2400 4808 95600 19 2 or 38 4 Default Value S6505 Select from 366 680 266 2438 863 S600 19 2k or 38 4k baud Refer to Chapter 8 page 39 for further details 5 27 Parity for serial communications Display Prey Range MODNE EVEN or add Default Value MODNE Select parity check to either MORE EVER or add Refer to Chapter 8 page 39 for further details 5 28 Output mode for optional serial communications Display G Put Range d SP Cont POLL A boS or AbuS Default Value Cant Set serial interface mode seen only with serial output option Allows user to select the serial interface operation as follows 24 of 53 TP488IVMAN 2 0 0 d SP sends image data from the display without conversion to ASCII Cont sends ASCII form of display data at a rate typically 90 of the sample
18. HHH AIT lt CR gt 4 Read low alarm setpoint lt STX gt LA lt CR gt N lt CR gt e g ABN AM2 M to read alarm 2 low setpoint using a terminal program address 1 In structs unit to return the low alarm setpoint value Format of returned data is lt ACK gt LANXYYYY lt CR gt Where lt ACK gt is Acknowledge 6 Dec 06 Hex AF ASCII L echo command received L 76 Dec 4C Hex A is the responding units address N is the relay number in ASCII X SPACE for positive and for negative YYYY is the setpoint value in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex AM ASCII 42 of 53 TP488IVMAN 2 0 0 5 Read high alarm setpoint lt STX gt HA lt CR gt N lt CR gt e g AHN AM2AM to read alarm 2 high setpoint using a terminal program address 1 Instructs unit to return the high alarm setpoint value Format of returned data is lt ACK gt HANXYYYY lt CR gt Where lt ACK gt _ is Acknowledge 6 Dec 06 Hex AF ASCII H echo command received H 72 Dec 48 Hex A is the responding units address N is the relay number in ASCII X SPACE for positive and for negative YYYY is the setpoint value in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex AM ASCII 6 Set low alarm setpoint lt STX gt LA lt CR gt N lt CR gt XYYYY lt CR gt e g AIN IAMIAM1000A to set alarm 1 low setpoint to 1000 using a terminal program address 1 Instructs unit to set the low alarm setpoint valu
19. K gt CANXYYYY lt CR gt Where lt ACK gt isthe Acknowledge c haracter 6 Dec 06 Hex AB ASCII C is the command character see following poll commands available A is the unit address Range 32 to 63 Dec 20 to 3F Hex SPACE 40 of 53 TP488IVMAN 2 0 0 to ASCII the address is offset by 32 Dec 20 Hex N is the Channel number in ASCII X SPACE for positive or for negative YYYY is the value requested in ASCII Notes Leading spaces 32 Dec 20 Hex will be transmitted if the display value is less than 4 digits long If the decimal point is non zero then it will be sent in the appropriate place as 46 Dec 2E Hex and will use the space normally set for positive numbers X value above if the number has 4 digits plus a decimal point The format for the host in sending a relay setting to the TP488 is lt STX gt CA lt CR gt N lt CR gt XYYYY lt CR gt Where lt STX gt is Start of Text Character 2 Dec 02 Hex AB ASCII C is the command character see following poll commands available A is the unit address Range 32 to 63 Dec 20 to 3F Hex SPACE to ASCII the address is offset by 32 Dec 20 Hex lt CR gt is Carriage Return 13 Dec 0D Hex AM ASCII N is the relay number in ASCII e g 1 for alarm 1 etc X SPACE for positive or for negative YYYY is the sent relay value in ASCII The format for the returned data for a relay setting to the TP488 is lt ACK gt CANXYYYY lt
20. ONS CHECK DATA EXCEPT VIA CAL MODE LABEL TO CONFIRM SWITCH 2 NOT USED OPERATING VOLTAGE 8 of 53 TP488IVMAN 2 0 0 3 1 Power supply connections The power supply for the instrument is factory fitted and is of a fixed type Check power supply type before connecting Non isolated 15 to 24VDC supply instruments use the DC IN connector P5 shown on the diagram above Isolated 12 to 48VDC supply instruments and AC supply instruments use connector P6 shown on the diagram above 3 2 Input connections The display may be configured to accept combinations of input types To configure the input type for each input channel select and fit the PCB link s as required links are in for 4 20mA only and select each input type in the programming mode Some examples of input connections and PCB link selection follow The instrument input ground terminal is common for all inputs When using multiple transmitters ensure transmitters can share a common ground The input signal is placed between input terminals V1 to V8 and GND Note When using UNREG or 12V terminals to provide loop power check total current requirements do not exceed 200mA 3 2 1 Two wire 4 to 20mA transmitter 2 sensors shown in this example connected to inputs 1 and 2 2 Wire transmitters SHIELD 4 to 20mA 18 28V operation 4 20mA link installed 2 ya HS 4 20ma Ea ik64 20na i 3 2 2 Three wire 4 to 20mA transmitter Shown connected to input 6 in this example 3
21. RUMENT SHOWN WITH HOOD REMOVED OPTIONAL gt INSTRUMENT FRONT BEZEL OUTLINE 7 of 53 3 Electrical Installation The display is designed for continuous operation and therefore no mains power switch is fitted to the unit It is recommended that an external switch and fuse be provided to allow the unit to be removed for servicing To install cables remove six front panel retaining screws Remove front panel taking care not to damage the ribbon cable ribbon cable joins the front display circuit board to the main circuit board Connect power and input cables to the plug in terminal blocks located within the enclosure The terminals are clearly labeled and unplug for ease of installation please take care to connect them correctly The terminal blocks allow for wires of up to 2 5mm2 to be fitted When power is applied the instrument will cycle through a display sequence indicating the software version and other status information this indicates that the instrument is functioning Input board layout 15 24V DC INPUT mA INPUT LINKS NON ISOLATED Afer pang INPUT 1 INPUT 2 LK1 4 20mA LK2 4 20mA OND CAL n LK3 4 20MA INPUT 3 INPUT 4 LK4 4 20MA OAA RELAY OUTPUTS INPUT 5 INPUT 6 LK5 4 20mA LK6 4 20MA pA 8 2 A S 2 ni i i INPUT 7 5 LK7 4 20mA INPUT 8 LK8 4 20mA DIP SWITCHES IF DIP SWITCH 1 IS ON THERE AC OR ISOLATED DC POWER IS NO ACCESS TO FUNCTI
22. TP488 IV 8 Channel Scanning Monitor Operation and Instruction Manual AMALGAMATED INSTRUMENT CO PTY LTD ACN 001 589 439 Unit 5 28 Leighton Place Hornsby Telephone 61 2 9476 2244 e mail sales aicpl com au NSW 2077 Australia Facsimile 61 2 9476 2902 Internet www aicpl com au Table of Contents 1 Introduction 2 Mechanical Installation 3 Electrical Installation 4 Function table 5 Explanation of functions 6 Alarm relay operation 7 Calibration 8 Serial output option 9 Modbus RTU functions 10 Data logger 11 Specifications 12 Guarantee and service 2 of 53 14 17 29 36 39 45 48 52 53 TP488IVMAN 2 0 0 1 Introduction This manual contains information for the installation and operation of the TP488 eight input scan ning monitor The TP488 can accept up to eight analog inputs Eight independently programmable relay outputs provide alarm or control for each input The TP488 monitors are designed for applications where good visibility is important Large high intensity 20mm red LEDs provide a wide viewing angle and distance for the display The display has been designed to be wall mounted and may be panel mounted if required Each input may be independently calibrated scaled to display directly in engineering units on the four digit display An additional digit indicates which input is currently displayed Large front panel pushbutton keypads are used to configure the operation of the instrument Easy to f
23. able above if ALH is set to 23 8 and ALH Zis set to 30 0 and then relay 1 will activate if channel 1 input goes to 2 8 or above or if channel 2 input goes to 38 0 or above Record your own settings in the table below Alarm relay number 1 2 3 4 5 6 7 8 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 TP488IVMAN 2 0 0 35 of 53 7 Calibration 7 1 Live signal input calibration 4 20mA or 0 1V calibration by applying live input signals This method uses the EAL to enter the calibration scaling point for the first calibration scaling point for 4 20mA and 0 1V inputs and uses function EAL 2 as the second calibration scaling point for 4 20mA and 0 1V inputs The procedure is as follows 1 Select the channel required then enter setup functions via EARL mode see page 17 for proce dure 2 Go to the EAL function and press the and amp buttons simultaneously to enter the calibration mode The display will now indicate L UE followed by the live reading 3 Apply a known input to the instrument of nominally 0 this value is not critical and may be anywhere within the measuring range of the instrument When the reading has stabilised press the L button 4 The display will indicate SEL scale 1 followed by the scale value in memory Now press the or M button to obtain the required scale calibration value Press the
24. anged when logged then the overrange value will be logged for that channel for as long as the overrange value is present Readings taken during power failure will not be logged The log memory is set up in a circular format Once the top of memory is reached the log data will overwrite the start of memory overwriting the oldest record The recording time available will vary depending on the memory size fitted and the update time selected The table below shows maximum recording times Data is transmitted in comma separated format making it compatible with many commercially available databases spreadsheets Time information is downloaded in Julian time format which is again compatible with many databases spreadsheets The internal clock is battery backed Downloaded log records are in the form of the time followed by the logged record for each channel at that time Downloaded information is transmitted via the serial output option board in RS232 or RS485 format thus a serial output option must be fitted on all instruments with data logging software Data logger Windows software Data logger software compatible with Windows 95 98 2000 NT and XP is provided for use with the data logger not tested and may not be compatible with Vista A separate user booklet for the software is also provided Consult this user manual for details of software setup The data logger can also communicate using standard serial polling commands these are listed u
25. e Format of returned data is lt ACK gt IANXYYYY lt CR gt Where lt ACK gt is Acknowledge 6 Dec 06 Hex AF ASCII l echo command received I 108 Dec 6C Hex A is the responding units address N is the relay number in ASCII X SPACE for positive and for negative YYYY is the setpoint value in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex AM ASCII 7 Set high alarm setpoint lt STX gt hA lt CR gt N lt CR gt XYYYY lt CR gt e g AHN IAMIAM5000A to set alarm 1 low setpoint to 5000 using a terminal program address 1 Instructs unit to set the high alarm setpoint value Format of returned data is lt ACK gt hANXYYYY lt CR gt Where lt ACK gt is Acknowledge 6 Dec 06 Hex AF ASCII h echo command received h 104 Dec 68 Hex A is the responding units address N is the relay number in ASCII X SPACE for positive and for negative YYYY is the setpoint value in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex AM ASCII 8 Transmit instrument model and software version lt STX gt IA lt CR gt e g ABI AM using a terminal program address 1 Instructs unit to return the instrument model and software version Format of returned data is lt ACK gt IACCX X lt CR gt TP488IVMAN 2 0 0 43 of 53 Where lt ACK gt I A CC X X lt CR gt is Acknowledge 6 Dec 06 Hex AF ASCII echo command received I 73 Dec 49 Hex is the resp
26. e is changed or the date and time is changed Hour Set time Displays and sets the current time in hours and minutes 24 hour format HH MM e g set as 728 for 5 20 pm GREE Set date Displays and sets the current date in days and months DD MM format The months will roll over automatically up at the end of the month down at the beginning of the month as the day is scrolled up or down YERF Set year Displays and sets the current year YYYY format Valid years settings go up to 2037 valid Julian time format years L C re Clear data log memory This function clears the data log memory to clear the memory press then release ZY and M simultaneously the display will show e asking if you really want to clear the memory If you wish to clear memory then press then release amp and Wd simultaneously again The log memory will then be cleared and the log period reset the display will indicate Pr oS LoS to confirm this Once the memory is cleared all previously logged records will be lost from the instruments memory if the r message is reached and it is not wished to clear the log memory then pressing and releasing either J or amp will abort the function TP488IVMAN 2 0 0 49 of 53 Serial Command Format Instruments using the data logger option are provided with extra software functions to the standard instrument This section describes these extra functions Note that the information below is not required if the
27. e persists then return the instrument to the supplier for service Measurement Errors e overrange input error This message indicates that the input is higher than the instrument expects Check that the E YPE function is set correctly for the input present and that the input links if required are set correctly e ar display overrange error This message indicates that the number is too large to display i e the display value has gone beyond the 4 digit display limits of S999 or below 1999 It may be necessary to revise the scaling and or the number of decimal points and recalibrate Calibration Errors SPARES re Temperature calibration too close to 0 C or two point calibration inputs too close together Increase the temperature for calibration if a temperature sensor input is used or for 4 20mA or 0 1V inputs check that there is a minimum of 20 of range change between calibration points 28 of 53 TP488IVMAN 2 0 0 6 Alarm relay operation The TP488 is provided with 8 alarm setpoint relays each is rated at 5A 240VAC into a resistive load The relays can be set to operate in one of three basic modes namely single Sn mode and select SLE amp amp or SEL A modes In single mode each relay is assigned to its corresponding channel i e relay 1 is assigned to input 1 relay 2 to input 2 etc In select mode S Ek relays may be assigned to any channel in SEL A mode the channel itself is allocated the setpoin
28. e required display value for that input For example if the live input reading was 5G and the required display value for this input was 7 then adjust the SELE value to 1 Press the I button to accept changes or the button to abort the scaling 7 3 4 20mA or 0 1V input scaling without live input This method of scaling can be used with 4 20mA or 0 1V inputs as an alternative to the EAL and CALZ calibration This method does not require a live input After scaling any offsets in the display reading can be adjusted at the GF St function 4 20mA input scaling Enter via CAL mode and go to the SELE function the press the B and amp buttons simultaneously The display will now indicate En 4 enter 4mA scaling value followed by the last scaling value in memory Using the amp or M button set the display to the required reading for 4mA Now press the button The display will indicate EA G enter 20mA scaling value followed by the last scale value in memory Now press the amp or amp button to obtain the required reading for 20 mA Press the J button the display will now read CAL End indicating that the calibration scaling is complete The display will return to the measure mode with calibration access 0 1V input scaling Enter via CAL mode and go to the SELE function the press the ZB and amp buttons simultaneously The display will now indicate En D D enter OV scaling value followed by the last scaling value in memory Using
29. e the decimal point places must be the same for each channel the decimal points for each channel will automatically be made the same when select alarm mode S Etk or SEL A is used In SARIL and Ste alarm modes the alarm annunciator LEDs on the front panel indicate which alarm relay is activated not which channel caused the activation In SEL A mode the annunciator indicates which channel has caused the alarm relay operation TP488IVMAN 2 0 0 29 of 53 The setpoint relays operate in the following way If the measured value is above the high setpoint ALH or below the low setpoint Rita the alarm trip timer set via AL kt starts This timer is reset if the measured value drops below the high setpoint or above the low setpoint When the duration of the alarm condition exceeds the trip delay time the alarm is operated The alarm LED flashes the setpoint relay is activated and optionally the beeper sounds When the alarm has tripped the measured value is compared to the high setpoint less the hysteresis value and the low setpoint plus the hysteresis value If it is less than the high setpoint less the hysteresis value and greater than the low setpoint plus the hysteresis value the setpoint reset relay timer set via AL rt is started This timer is reset if the displayed value exceeds the high setpoint less the hysteresis value or drops below the low setpoint plus the hysteresis value When the time the input has been out of alarm conditio
30. ed channel goes to D D or below 6 2 Relay High Setpoint ALH The high setpoint for the selected relay or channel may be programmed to operate the alarm relay when the measured value exceeds the set value If the high setpoint is not required it may be set to GFF in the setup mode press amp and simultaneously to set the alarm to GFF The value at which the relay will reset is controlled by the RLHY function Example If RLH is set to 3G G then the relay will activate if its associated channel goes to D D or above 30 of 53 TP488IVMAN 2 0 0 6 3 Relay Hysteresis ALHY The hysteresis value is used to prevent too frequent operation of the alarm relay when the measured value stays close to the setpoint The hysteresis value is common to the high and low relay action for each alarm Without a hysteresis setting hysteresis value set to zero the alarm will activate when the display value goes above the alarm setpoint for high alarm and will reset when the display value falls below the setpoint this can result in repeated on off switching of the relay at around the setpoint value The hysteresis setting operates as follows In the high alarm mode once the alarm is activated the input must fall below the setpoint value minus the hysteresis value to reset the alarm e g if alarm high value is set to 50 0 and the hysteresis is set to 3 0 then the setpoint output relay will activate once the display value goes above 50 0 and will reset when
31. en the lowest value from any channel selected in ra fH will be output If RUG is selected then the average values of all active channels will be output 5 31 Analog output signal type Display r Gut Range 4 26 50 Dor G i Default Value 4 22 Displays and sets the output type for the analog output For 4 20mA output select 4 28 For 0 1V output select B 4G For 0 10V output select B 15 Note ensure that correct links are set on the analog output board when selecting output mode TP488IVMAN 2 0 0 25 of 53 5 32 Analog output channels Display ro CH Range Yor hm Default Value Y Displays and sets the active channels for the analog output in H or LO mode Use amp and MA to select required channel Select yes or A no toggled via the I button e g 2 Y means that channel 2 is selected to operate the recorder output i e channel 2 will now affect the recorder output 2 M means that channel 2 will not affect the recorder output Setting all channels to A will make the recorder output inactive regardless of the FEE and FEET settings The r k YP function must be set to either H or LD for the ra fH function to be seen 5 33 Data logger logging period Display dL AY Range D D to 50 00 Default Value 40D Select log update time seen only with data logger option Refer to section 10 page 48 Displays and sets the time period between each log sample Available selections are 0 10 10 seconds 0 20
32. ently powered transmitter i e current sinking Options Options include 1 Fully isolated retransmission 4 20mA 0 1V or 0 10V single channel 2 RS232 or RS485 communications ASCII Modbus RTU protocol or special F tbu5 protocol for use with Windows compatible software option 3 An optional in built data logger which uses the RS232 or RS485 output option to download information is available with a choice of memory sizes to suit various logging requirements The data logger is supplied with Windows compatible software to allow data logging and live data download and viewing 4 Windows compatible software for live data viewing and logging directly to the PC This requires serial communication option to be fitted but does not require the in built data logger option Unless otherwise specified at the time of your order your TP488 has been factory set to a standard configuration Like all other TP488 series instruments the configuration and calibration is easily changed by the user Initial changes may require dismantling the instrument to alter PCB links other changes are made by pushbutton functions If changes are required read section on input configuration 4 of 53 TP488IVMAN 2 0 0 2 Mechanical Installation The instrument is designed to be wall mounted using the four mounting brackets provided Care fully measure and drill four holes as shown below An optional panel mount kit is available for use with this instrument
33. errange value gt for that channel If the start time requested is not present in the log then lt ACK gt DA lt CR gt will be returned Transmit All Logged Data lt STX gt DA lt CR gt A lt CR gt Instructs the unit to transmit the entire data log All log records since the last log memory reset will be sent to the host The unit will respond with lt ACK gt DAA lt CR gt followed by all log record sent in the same format as above Transmit Record Block Transmit System Time lt STX gt DA lt CR gt T lt CR gt Instructs the instrument to transmit the current time in Julian time format as follows lt ACK gt DAT TTTTTTTTTT lt CR gt Transmit the Log Start Time lt STX gt DA lt CR gt S lt CR gt Instructs the instrument to transmit the log start time i e the time stamp on the first record in the log Note that if the memory has wrapped around i e has started to overwrite existing logged records that the log start time will not be the original time the log started since this time stamp and associated log record has been overwritten The returned data format is lt ACK gt DAS TTTTTTTTTT lt CR gt Transmit the Log Update Time lt STX gt DA lt CR gt U lt CR gt Returns the current log update time as set in the log memory The returned time may be different to the dL AY time if there has been no log reset since the dLAY function was changed The returned data format is lt ACK gt DAU NNNN lt CR gt where NNNN is the update ti
34. ets the alarm trip time and is common for both high and low setpoint values The trip time is the delay before the alarm will trip The alarm condition must be present continuously for the trip time period before the alarm will trip This function is useful for preventing an alarm trip due to short non critical deviations from setpoint The trip time is selectable over 0 to 9999 seconds See Alarm Relays chapter for further details of alarm operation 5 5 Alarm relay reset time delay Display Atre Range D to 9999 Default Value amp Displays and sets the alarm reset time and is common for both high and low setpoint values The reset time is the delay before the alarm will de active after the display value returns to a non alarm value The trip time is selectable over 0 to 9999 seconds See Alarm Relays chapter for further details of alarm operation 5 6 Alarm relay normally open closed Display Riin a or Aine Range Ri n a or Aine Default Value RFin a Displays and sets the selected alarm relay action to normally open de energised or normally closed energised when no alarm condition is present See Alarm Relays chapter for further details of alarm operation TP488IVMAN 2 0 0 19 of 53 5 7 Alarm relay operation mode Display Finb Lab AbP or LbP Range Finb Lab AbP or LbP Default Value Anb Displays and sets the alarm relay action to normally open de energised or normally closed ener gised when
35. even if the display is blank The display blanking is provided primarily to reduce power consumption in battery powered applications 20 of 53 TP488IVMAN 2 0 0 5 11 Analog output option low value Display rec Range Any display value Default Value B Seen only when analog retransmission option fitted Displays and sets the analog retransmission 4 20mA output low value 4mA in displayed engineering units To set the analog output low value go to the FEE function and use the B or amp push buttons to set the required value then press to accept this selection See also r k YP r Gut and ra EH functions Example lf it is required to retransmit 4mA when the display indicates amp then select in this function using the or amp button 5 12 Analog output option high value Display FECT Range Any display value Default Value 3383 Seen only when analog retransmission option fitted Displays and sets the analog retransmission 4 20mA output high display value 20mA in displayed engineering units To set the analog output high value go to the FEET function and use the B or amp push buttons to set the required value then press to accept this selection See also r k YP Qut and ra CH functions Example lf it is required to retransmit 20mA when the display indicates 5 then select S in this function using the or M button 5 13 Input type for selected channel Display EYPE Range 4 26 D 12 0335 or ASW
36. hange channels with the option to allocate this channel to the relay For example in SLE amp mode if the digit in the TP488IVMAN 2 0 0 33 of 53 right hand window indicates 3 then the AL EH function will allow the user to allocate any one or a number of channels to relay 3 The first channel will show up as E or C i channel 1 yes or no use the J button to toggle between yes and no If E 414 is selected then relay 3 will operate from channel 1 input If E i is chosen then relay 3 will ignore any inputs on channel 1 Step through each channel and select either yes or no If a relay is not used it is advisable to select GFF for the alarm high and low settings or select no for each input channel this will prevent unwanted operation of the relay and its alarm light buzzer Relay 6 Relay 7 Relay 8 To illustrate select mode operation the table below shows the AL EH selection to obtain the con nections shown in the diagram above Alarm relay number 1 2 3 4 5 6 7 8 Channel 1 cig cm cm cm cm cm cm cm Channel 2 C24 Cey C24 cen cen cen cen cen Channel 3 C34 Can C34 can Can can Can Can Channel 4 C44 can can Cun CH7 Cn can Cun Channel 5 csi cSsni con c54 Cun cSf con CSA Channel 6 CEN CEN CEN CEY Cun CEN can CEN Channel 7 PE cm cm Cun Cly cw cm cm Channel 8 cen can can cn cey can can cen If S Ek mode were used then the setpoints are assigned to the relays not
37. he optional output board piggy backs on top of the input board The link terminals marked TERM provides a terminating resistor to help prevent reflections on the data lines It is used for RS485 only and is generally only required when communication problems exist over long data lines Leave this link out unless such communication problems exist Refer to chapter 8 for details of setup functions associated with this output option RS232 connections note Tx and Rx cross Computer PLC etc ggg WHAL ES TP488 serial output board RS485 connections use twisted pair shielded cable Computer PLC etc gug Waal E TP488 serial output board TP488IVMAN 2 0 0 13 of 53 4 Function table The functions in the first table are accessible by either FURIE or TAL mode see page 17 Enter your settings for each channel in the spaces provided A single space for all channels indicates that the setting is common to all channels Display Description Range 1 2 3 4 5 6 7 8 Fiitea Alarm relay low value 1999 to 9999 or GFF ALH Alarm relay high value 999 to 9999 or GFF The remaining functions below are accessible only by EAL mode see page 17 Enter your settings for each channel in the spaces provided A single space for all channels indicates that the setting is common to all channels Display Description Range 1 2 3 4 5 6
38. l the necessary components for the output options required PCB links are fitted to the circuit board to connect the electronic components for the correct output types It may be necessary to alter the PCB links to change the output type see link settings below Two connectors allow for connection of analog output lines and BCD code channel selection lines The optional output board piggy backs on top of the input board Setup functions associated with this output type are FEC function 5 11 FEC function 5 12 r k YP function 5 30 r Gu amp function 5 31 and ro CH function 5 32 g 4 20mA hci z 4 20mA verre 3 x 4 20mA lvours 4 20mA output selected 0 10V output selected 0 1V output selected Configuration Selector Links Connector S a20ma hous Analog output Analog output REC REC TP488 analog Output board BCD INPUTS FOR OUTPUT CHANNEL SELECTION SLCT3 SLCT2 SLCT1 0 0 0 CHANNEL 1 0 0 1 CHANNEL 2 0 1 0 CHANNEL 3 0 1 1 CHANNEL 4 1 0 0 CHANNEL 5 p 1 0 1 CHANNEL 6 1 1 0 CHANNEL 7 1 1 1 CHANNEL 8 Connector o i e z a S Note Use 12 to 24VDC as the BCD input voltage all the SLCT negative Output channel inputs can be connected together selection BCD commoned if required 12 of 53 TP488IVMAN 2 0 0 3 2 10 Optional serial output Electrical connections for the serial output option are as shown below The option will be factory configured for either RS232 or RS485 output T
39. me in seconds 50 of 53 TP488IVMAN 2 0 0 Transmit the Log Memory Size lt STX gt DA lt CR gt M lt CR gt Returns the size of the log mem ory in records The returned data format is lt ACK gt DAM NNNN lt CR3 gt where NNNN is the number of records for that memory size e g an 8K memory will return 508 Set the System Time lt STX gt DA lt CR gt t lt CRSTTTTTTTTTT lt CR gt Set the instrument system clock to Julian time TTTTTTTTTT If the command is successful then lt ACK gt DAt lt CR gt will be returned If the Julian time is invalid then lt ACK gt DA lt CR gt will be returned Set the Log Update Time lt STX gt DA lt CR gt u lt CRS gt NNNN lt CR gt Set the log update time to NNNN seconds Note that the new time will not apply until a log reset is performed If the command is successful then lt ACK gt DAu lt CR gt will be returned If the update time is invalid then lt ACK gt DA lt CR gt will be returned Valid times are as shown in the dL RY function explanation Reset the Log Memory lt STX gt DA lt CR gt R lt CR gt RESET lt CR gt This command will reset the log memory This will erase all current records and reset the log update time if it has changed As this will result in a loss of data the command must be sent exactly as it appears or the memory will not be reset If the command is successful then lt ACK gt DAR lt CR gt will be returned to indicate that the memory has been reset If the command is invalid then lt ACK g
40. n 10 This function clears the data log memory to clear the memory press then release ZY and hd simultaneously the display will show E r asking if you really want to clear the memory If you wish to clear memory then press then release Z and simultaneously again The log memory will then be cleared and the log period reset the display will indicate Pro 3 Lo to confirm this Once the memory is cleared all previously logged records will be lost from the instruments memory if the r message is reached and it is not wished to clear the log memory then pressing and releasing either E or will abort the function 5 38 Returning to normal measure mode When the calibration has been completed it is advisable to return the instrument to the normal mode where calibration functions are less likely to be tampered with To return to normal mode turn off power to the instrument wait a few seconds and then restore power TP488IVMAN 2 0 0 27 of 53 5 39 Error messages Startup errors e CNF9Er r configuration error Microcontroller has not been configured at the factory or has been damaged Return to the supplier for service e Pr oSEP G program eprom New software version installed or eprom error It is normal to see this message once when a new EPROM software version is installed If this message is seen it will normally last only a few seconds Unless this problem persists do not switch off until the message has cleared If the messag
41. n exceeds the reset delay time the relay is de activated If the setpoint is in automatic mode the LED is extinguished and the relay returns to its position and the Beeper is silenced If the setpoint is in latched mode press the GJ Button to reset the alarm By pressing the GJ button the alarm is acknowledged This silences the beeper and stops the LED flashing When the alarm is reset the LED extinguishes and the relay returns to its position The F F LY function can be individually set for each relay This function allows the relay to be reset by pressing the GJ button even if an alarm condition still exists The alarm programmable functions operate as follows 6 1 Relay Low Setpoint ALLE The low setpoint for the selected relay or channel may be programmed to operate the alarm relay when the measured value falls below the set value If the low setpoint is not required it may be set to GFF in the setup mode press amp and simultaneously to set the alarm to GFF The instrument is configurable for each relay to have a low and a high setpoint so the relay may be triggered if the reading deviates outside of the setpoint limits If the relay is allocated both a low and high setpoint then the relay will activate when the value displayed moves outside the band set by the low and high setpoints The value at which the relay will reset is controlled by the RLHY function Example If ALLG is set to D D then the relay will activate if its associat
42. n the instrument will remain in this EAL mode state until power is removed i e there is no need to repeat step 1 when accessing function unless power has been removed TP488IVMAN 2 0 0 17 of 53 Explanation of Functions 5 1 Alarm relay low setpoint Display Filla Range Any display value or GFF Default Value GFF Displays and sets the low setpoint value for the selected alarm relay Use this low setpoint function if arelay operation is required when the display value becomes equal to or less than the low setpoint value To set a low alarm value go to the Arte function and use the or amp push buttons to set the value required then press J to accept this value The low alarm setpoint may be disabled by pressing the and amp push buttons simultaneously When the alarm is disabled the display will indicate GFF If the relay is allocated both a low and high setpoint then the relay will activate when the value displayed moves outside the band set by the low and high setpoints The value at which the relay will reset is controlled by the AL HY function Example If Rita is set to D then the relay will activate when the display value is 10 or less for the allocated channel 5 2 Alarm relay high setpoint Display ALH Range Any display value or GFF Default Value GFF Displays and sets the high setpoint value for the selected alarm relay Use this high setpoint function if a relay operation is required when the display value becomes e
43. nder the heading Serial Command Format in this chapter 48 of 53 TP488IVMAN 2 0 0 TP488 datalogger table maximum logging times approximate Time between logs 32k memory 128k memory days hours min days hours min 10 seconds 0 04 26 0 17 46 20 seconds 0 08 53 1 11 33 30 seconds 0 13 20 2 05 20 1 minute 1 02 40 4 10 40 2 minutes 2 05 20 8 21 20 3 minutes 3 08 00 13 08 00 4 minutes 4 10 40 17 18 00 5 minutes 5 13 20 22 05 20 6 minutes 6 16 00 26 16 00 10 minutes 11 02 40 44 10 40 15 minutes 16 16 00 66 16 00 20 minutes 22 05 20 88 21 20 30 minutes 33 08 00 133 08 00 60 minutes 66 16 00 266 16 00 Data logger polling functions Usually data is downloaded using the Windows program supplied with the data logger but the data logger can be also polled via a PC etc using the commands below Functions which are used when the data logger option is fitted are accessible only via EARL mode dL A d Select log update time Displays and sets the time period between each log sample Available selections are amp 2 10 seconds G 28 20 seconds 8 350 30 seconds 88 1 minute 2 00 2 minutes 3 00 3 minutes 4 G 4 minutes 5 88 5 minutes 6 48 6 minutes 43 28 10 minutes 15 00 15 minutes 26 88 20 minutes 30 00 30 minutes or 6 amp G amp 60 minutes Note The data log memory see L E r below must be cleared whenever the log update tim
44. no alarm condition is present See Alarm Relays chapter for further details 5 8 Allocate relay to input channel Display L E Range EXY or EXA Default Value n a The AL CH function allows each alarm relay to be allocated to one or more input channels This function will only be seen if the A t YP function is set to SLE amp or SEL A See Alarm Relays chapter for further details of alarm operation and for an example of AL EH operation 5 9 Manual relay override Display Fry Range GFF or DA Default Value GFF Allows the GJ button to be used to reset a relay alarm operation See Alarm Relays chapter for further details 5 10 Auto display blanking Display GFF Range D to 9999 Default Value amp The function d DFF can be used to select the number of minutes for the automatic display blanking Settings from 8 to 9999 minutes can be made If set to the auto display blanking is disabled and the display will remain on If set to a number other than amp then the display will switch off in the number of minutes set When the display blanks the alarm annunciators the input reading and the channel number will all be blanked Timing for the auto blanking starts from the last keypad operation i e from the last time the G or amp button was pressed To turn the display back on or to restart the timing process simply press any of these buttons The instrument will continue to measure input operate alarms etc
45. ollow on display messages assist in setting up of the instrument functions Programmable functions include relay setpoint high and or low relay hysteresis relay trip delay relay normally open or normally closed operation digital filter display rounding scanning rate and calibration Standard Features 1 Accepts 4 20mA 0 1V LM335 and AD590 inputs in any combination 2 4 1 Digit 20mm high intensity LED Display 3 Pushbutton programming and calibration 4 Eight relay outputs with flexible operation modes 5 Programmable beeper for each alarm 6 Individual calibration for each input 7 C or F selection for temperature sensor inputs 8 Programmable decimal point 9 Weatherproof IP65 enclosure 10 Alarm relay annunciator LEDs 11 Programmable digital filter 12 Leading zero blanking 13 On board power supply to power transmitters 14 Programmable scan rate or may be locked to one input 15 Alarm annunciator LEDs 16 On board expansion connections for optional outputs and optional datalogger 17 Auto display blanking timer TP488IVMAN 2 0 0 3 of 53 Description The instrument is available to accept an input from various industrial sensors or input signals These include temperature probes types include AD590 LM335 etc 4 to 20mA or 0 1V scaleable in engineering units The 4 to 20mA inputs may be configured to provide power to the transmitter i e current sourcing or measure directly from an independ
46. on 6 7 Setpoint Relay Mode The alarm has four modes of operation Finb Automatic reset no beeper iL nb Latched alarm manual reset no beeper FibP Automatic reset beeper TP488IVMAN 2 0 0 31 of 53 L bP Latched alarm manual reset beeper Automatic Reset with Beeper When automatic mode is selected the relay will automatically reset when the measured input falls within the alarm threshold limits as described above The beeper is silenced and the LED stops flashing If the GJ button is pressed before the measured input falls within the alarm thresh old limits the beeper will be silenced and the LED will stop flashing and become constantly illuminated Automatic Reset no Beeper This mode is the same as above except the beeper is not activated This mode is ideal for control applications Latched Alarm Manual Reset with beeper When latched mode is selected the alarm is latched until the button is pressed If the J button is pressed before the measured input has returned to values the LED stops flashing staying on steadily the beeper is silenced When the measured input has returned to the LED is extinguished and resets the relay If the measure input has returned to level before the alarm is reset pressing the alarm reset button immediately extinguished the LED silences the beeper and resets the relay Latched Reset no Beeper This mode is the same as above except the beeper is not activated 6 8
47. onding units address offset by 32 Dec e g is address 1 a 2 character identifier e g LC means loadcell input is the software version number e g 4 6 is a Carriage Return 13 Dec 0D Hex AM ASCII 9 Invalid command If the command received from the host is invalid the unit will return the following lt ACK gt A lt CR gt where Where 44 of 53 lt ACK gt A lt CR gt is Acknowledge 6 Dec 06 Hex AF ASCII echo command received 63 Dec 3F Hex is the responding units address offset by 32 Dec e g is address 1 is a Carriage Return 13 Dec 0D Hex AM ASCII TP488IVMAN 2 0 0 9 Modbus RTU functions When using Modbus RTU communications the instrument must be set up electrically for RS232 or RS485 communications and the G Pu amp function must be set to A buS The maximum recom mended baud rate for Modbus operation is 9600 The following commands are available Modbus Function 1 Read coil status Reads the ON OFF status of the relay coils Broadcast is not supported Relay addresses are offset by 1 e g relay 1 is addressed as 0 relay 2 is addressed as 1 etc Logic 1 ON Logic 0 OFF To read the coil status a query is sent to the instrument the instrument then responds to the query An example of a query to read coils 1 to 4 from the instrument at address 2 is given below Field name Example Hex Unit address 02 Function O1 Starting address Hi 00
48. or details of the A fu5 option e d SP Sends image data from the display without conversion to ASCII e Cont Sends ASCII form of display data every time display is updated e POLL Controlled by computer or PLC as host Host sends command via RS232 RS485 and instrument responds as requested Addr Set unit address for polled POLL mode 1 to 31 Allows several units to operate on the same RS485 interface reporting on different areas etc The host computer or PLC may poll each unit in turn by supplying the appropriate address The unit address ranges from 1 to 31 DEC but is offset by 32 DEC to avoid clashing with ASCII special function characters such as lt STX gt and lt CR gt Therefore 32 DEC or 20 HEX is address 0 42 DEC or 2A HEX addresses unit 10 Notes Multi drop operation is only valid for instruments fitted with the RS485 output option 8 1 Serial operation and commands When sending commands to make changes to function settings such as alarm setpoints the TP488 should be in normal measure mode when the command is sent i e display has been powered up without any pushbuttons being pressed and FUME mode not entered d SP Image Display Mode In image display mode the display value is sent via RS232 RS485 as raw data in the format lt ESC gt IXYYYY Where lt ESC gt is the ESCAPE character 27 Dec 1B Hex A ASCII I is the character I 73 Dec 49 Hex X is the number of image bytes in
49. perate a single relay For example if channel 1 is selected and AL H set to 100 then the relays allocated to channel 1 via the AL CH function will all activate when channel 1 has an input which would cause a display of 100 or above In SEL A mode the alarm annunciator LEDs show which channel has caused the alarm condition Example if AL H function for channel 3 is set to A 14 and AZY with all other channels set to 7 then relays 1 and 3 will activate if the input on channel 3 is outside the alarm setting for that channel Note If more than one input channel is assigned to a relay then the decimal point positions must be the same for each of those channels The TP488 will automatically assign the same decimal point position to each channel Any further changes to one channel will automatically cause a change to the other channels allocated to the same relay When the alarm setpoints etc for the chosen alarm have been set continue through the functions by pressing and releasing J until the AL CH allocate relay to input channel function is reached 6 10 Allocate relays to channel function AL CH The AL CH function is only seen when in either SLEE or SEL A select mode This function allows the grouping of inputs to alarm relays When you reach this function you will already have selected a channel the LED digit in the right hand window indicates the relay or channel number in SEL A mode selected Each of the channels will flash use or 3 to c
50. qual to or greater than the high setpoint value To set a high alarm value go to the ArH function and use the or amp push buttons to set the value required then press GJ to accept this value The high alarm setpoint may be disabled by pressing the and S push buttons simultaneously When the alarm is disabled the display will indicate GFF If the relay is allocated both a low and high setpoint then the relay will activate when the value displayed moves outside the band set by the low and high setpoints The value at which the relay will reset is controlled by the AL HY function Example If ALH is set to DE then the relay will activate when the display value is 100 or more for the allocated channel 5 3 Alarm relay hysteresis deadband Display ALHY Range D to 9999 Default Value 3 Displays and sets the alarm relay hysteresis limit for the selected channel To set a relay hysteresis 18 of 53 TP488IVMAN 2 0 0 value go to the function and use the amp or amp push buttons to set the value required then press 8 to accept this value The hysteresis value is common to Fault Low and High setpoint values The hysteresis value may be used to prevent too frequent operation of the relay when the measured value is rising and falling around setpoint value See Alarm Relays chapter for further details of alarm operation 5 4 Alarm relay trip time delay Display AL amp e Range Gto 9999 Default Value amp Displays and s
51. riate place as 46 Dec 2E Hex and will use the space normally set for positive numbers X value above if the number has 4 digits plus a decimal point DLL Host Controlled Transmit Mode This mode requires a host computer PLC or other device to poll the instrument to obtain display or other information or reset various setpoint parameters Communications software is required when using POLL mode Data is in ASCII format with 8 data bits 1 stop bit When polling the TP4888 it is essential that the command characters are sent with less than a 10mS delay between them This normally means that each command line must be sent as a whole string e g lt STX gt PA lt CR gt 1 lt CR gt is sent as one string rather than lt STX gt on one line followed by P etc Whenever the function key is operated the whole string is sent The format used is ASCII 8 data bits 1 stop bit The format for the command requesting a value from the TP488 is lt STX gt CA lt CR gt D lt CR gt Where lt STX gt isthe start of text ASCII character AB 02 Dec 02 Hex C is the command character see following poll commands available A is the unit address Range 32 to 63 Dec 20 to 3F Hex SPACE to ASCII the address is offset by 32 Dec 20 Hex lt CR gt isthe ASCII character for CR AM 13 Dec 0D Hex D is the Channel number required e g 1 49 Dec 31 Hex for Channel 1 The format for data returned from the TP488 is lt AC
52. see section 2 2 Overall enclosure dimensions are 255mm w x 145mm h x 125mm max d 180mm o ny 155mm ig Aa eI I sI od e I TP488IVMAN 2 0 0 5 of 53 2 1 Fitting cable glands The weatherproof enclosure has incorporated mounting pillars for securing boards plates etc on the base and immediately under the front panel The case material is Black ASA Cable glands are readily obtainable from electrical wholesalers and some hardware shops if required Circuit boards should be removed prior to drilling The hood is moulded to the case but cases without the hood are optionally available Suggested hole locations for up to 3 cable glands 150mm gt p 120mm gt 4 90mm gt l 1 l l 1 l i 1 l i a ig as ee ree ee es ee 1 I I 35mm l l Suggested hole placement selection One hole Two holes Three holes Suggested hole locations for up to 2 cable glands with side entry 35mm 32mm 98mm 6 of 53 TP488IVMAN 2 0 0 2 2 Panel mounting An optional panel mount kit is available The kit comprises two adjustable bolts and two brackets A case without the moulded hood is optionally available and is often used when panel mounting displays since it provides a mounting which projects less far the surface TP488IVMAN 2 0 0 PANEL CUT OUT DIMENSIONS 240 X 130 0 0 0 5mm FRONT VIEW INST
53. smit secondary display value lt STX gt SA lt CR gt D lt CR gt e g ABS IAM2AM using a terminal program channel 2 address 1 Instructs unit to return the secondary display value for the selected channel e g the secondary display value for model TP488 TC is the cold junction temperature If the display has no secondary display value then a will be returned Format of returned data is lt ACK gt SAXYYYY lt CR gt Where lt ACK gt is Acknowledge 6 Dec 06 Hex S echo command received S 83 Dec 53 Hex A is the responding units address X SPACE for positive or for negative YYYY is the value in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex 3 Transmit all active channel display values lt STX gt QA lt CR gt e g ABQIAM using a terminal program address 1 Instructs unit to return the display values for all active channels i e the channels selected a the Eha function Format of returned data is lt ACK gt QAXBBB XIII LORS Where lt ACK gt _ is Acknowledge 6 Dec 06 Hex X SPACE 32 Dec 20 Hex for a positive value or X 45 Dec 2D Hex for a negative value BBBB is the display value for Channel 1 in ASCII etc III is the display value for the highest active channel in ASCII lt CR gt is a Carriage Return 13 Dec 0D Hex AM ASCII Example If all 8 channels are active then the returned data format would be lt ACK gt QAX BBBB XCCCC XDDDD XEEEE XFFFF XGGGG X H
54. t DA lt CR gt will be returned TP488IVMAN 2 0 0 51 of 53 11 Specifications 11 1 Technical specifications Input type Display range Accuracy Sample rate ADC resolution Ambient temperature Humidity Display Power Supply Power Consumption Output standard Up to 8 channels each selectable as either 4 20mA 0 1V LM335 or AD590 4 20mA 1999 to 9999 0 1V 1999 to 9999 LM335 50 to 150 C AD590 50 to 150 C 0 1 of full scale when calibrated 0 5 seconds per channel approx 1 in 20 000 10 to 60 C 5 to 95 non condensing 4 digit value 1 digit channel number 20mm red LED 8 off annunciator LEDs AC 240V or 110V 50 60Hz or DC isolated wide range 12 to 48V or DC non isolated 15 to 24V Note supply type is factory configured AC supply 15 VA max DC supply typically 100mA with no transmitter supply used add 15mA per relay activated 8 x relay Form A rated 5A resistive 240VAC 11 2 Optional outputs Analog retransmission Single 4 20mA 0 1VDC or 0 10VDC type is link selectable Serial communications RS232 or RS485 ASCII or ModbusRTU Datalogger 32k or 128k internal datalogger memory 11 3 Physical Characteristics Case Size Panel Cut Out Connections Weight 52 of 53 255mm x 145mm x 125mm If using this method of mounting the panel cut out size is 240 x 130mm 0 0mm 0 5mm Plug in screw terminals max 1 5mm wire 2 5mm for relays and power suppl
55. t and then the relay is allocated to the channel Each relay has the following parameters which may be set by the user 10 Low setpoint adjustable in measurement units High setpoint adjustable in measurement units Relay hysteresis adjustable in measurement units Relay trip time adjustable in seconds Relay reset time adjustable in seconds Relay action N O or N C Setpoint relay mode auto or latching with or without beeper Allocate alarm to input channel allows channels in use to be allocated to any alarm relay when in select mode operation Alarm mode selection allows selection of single or select multi mode operation Alarm manual override enable disable function Notes The required relay must be selected using the or buttons prior to making changes to the relay functions In SASL and SLEEE modes the right hand display digit which normally shows the channel number actually represents the relay number for alarm setup purposes e g if ALto Z is seen on the display then the low alarm setpoint for relay 2 is being viewed In SEL A mode the same display of would mean that the low alarm setpoint for channel 2 is being viewed In applications where less than eight channels are used the unused relays are assigned to the highest channel if in SASL mode The button is used as an alarm reset see F F LY function or alarm acknowledge button When alarm selection is in S Et or SEL A mod
56. ter the alarm setting required using the amp or amp button Press the J button to accept the changes 32 of 53 TP488IVMAN 2 0 0 Input Channel 3 Select Mode When select mode is used any relay may be allocated to any one or number of input channels This means that each relay can be set to operate from one set of setpoint values only To choose select mode choose SLEE or SEL A at the A k YP function In SLE amp mode the alarm setpoint is assigned to the relay selected in SEL RA mode the alarm setpoint is assigned to the channel selected For SLEe amp mode set up the alarm functions as you would for single mode but this time when a channel is selected the channel number refers to the alarm number as far as the alarm functions are concerned For example if channel 3 is selected when function mode is entered and ALH is set to 50 then relay 3 will activate whenever any input channel allocated to relay 3 via the AL TH function goes to 100 or above In SL Etk mode the alarm annunciators will show which relays have been activated In SEL A mode the user can program setpoint values for input channels rather than relays This allows the relays selected to operate from multiple setpoints since each channel can be given different setpoint values e g if the display is showing channel 2 then any high or low setpoint made whilst channel 2 is displayed will apply to channel 2 rather than relay 2 This mode allows more than one setpoint to o
57. the amp or amp button set the display to the required reading for OV Now press the button The display will indicate En 4 5 enter 1V scaling value followed by the last scale value in memory Now press the amp or amp button to obtain the required reading for 1V Press the button the display will now read CAL End indicating that the calibration scaling is complete The display will return to the measure mode with calibration access TP488IVMAN 2 0 0 37 of 53 7 4 Uncalibration UCAL Uncalibrate used to set the instrument back to the factory calibration values This function should only be used when calibration problems exist and it is necessary to clear the calibration memory To clear the calibration memory press the Z and M buttons simultaneously at the UCAL function The message CAL Eber will be seen to indicate that the memory has cleared 38 of 53 TP488IVMAN 2 0 0 8 Serial output option RS232 RS485 Functions bAud Set baud rate Select the baud rate from 388 688 233 2488 48383 9683 19 2 or 38 4 Pet Set parity Select either MORE EVER or Odd G Put Select serial output mode Select d SP Cont POLL AlbuoS or A boS The d SP Conk and POLL modes are described in more detail in this chapter F buS is used when communicating with the Windows compatible download software supplied with the optional data logger refer to the handbook supplied with the software See the Modbus Communications chapter f
58. the display value goes below 47 0 50 0 minus 3 0 In the low alarm mode once the alarm is activated the input must rise above the setpoint value plus the hysteresis value to reset the alarm e g if alarm low value is set to 20 0 and the hysteresis is set to 10 0 then the alarm output relay will activate when the display value falls below 20 0 and will reset when the display value goes above 30 0 20 0 plus 10 0 The hysteresis units are expressed in displayed engineering units 6 4 Relay Trip Time ALEE The alarm trip time determines how long the measured value has to be above the high trip point or below the low trip point before an alarm is given This can be used to prevent false alarms on noisy inputs The value is set in seconds with a range of 0 9999 seconds 6 5 Relay Reset Time Atrek The alarm reset time determines how long the measured value has to be below the high trip point and above the low trip point before the alarm is reset This value is set in seconds with a range of 0 9999 seconds For operation a reset delay of zero is suitable 6 6 Relay N O or N C operation Rin a n c Each alarm may be programmed to operate as a normally open N O or normally closed N C device A N O relay is de energised when no alarm condition is present and is energised when an alarm condition is present A N C relay is normally energised and is de energised when an alarm condition is present The N C mode is useful for power failure detecti
59. the input channels e g if ALH is set for relays 1 2 3 4 and 5 then for the table above Relay 1 will activate if channel 1 2 3 or 4 go above the relay 1 setpoint Relay 2 will activate if channel 2 goes above the relay 2 setpoint Relay 3 will activate if channel 2 or 3 go above the relay 3 setpoint Relay 4 will activate if channel 5 or 6 go above the relay 4 setpoint Relay 5 will activate if channel 7 or 8 go above the relay 5 setpoint Example In SL amp amp mode operation using settings in the table above if ALH is set to 20 0 then relay 1 will activate if either channel 1 2 or 3 inputs go to 28 8 or above If SEL A mode were used then individual setpoints can be assigned to each input channel e g if ALH is set for channels 1 to 8 then for the table above 34 of 53 TP488IVMAN 2 0 0 Relay 1 will activate if channel 1 2 3 or 4 goes above the channel setpoint Relay 2 will activate if channel 2 goes above the channel setpoint Relay 3 will activate if channel 2 or 3 goes above the channel setpoint Relay 4 will activate if channel 5 or 6 goes above the channel setpoint Relay 5 will activate if channel 7 or 8 goes above the channel setpoint e g in SEL A mode at the AL CH function for channel 2 the setting to allocate relays 1 2 and 3 to channel 2 are E 14 2Y 034 CR CSR CBR COUN CBR ie E fH actually means Relay 1 Yes 24 actually means Relay 2 Yes etc Example In SEt F mode operation using settings in the t
60. ufacturer This product is designed and manufactured in Australia TP488IVMAN 2 0 0 53 of 53
61. y 1 3kgs TP488IVMAN 2 0 0 12 Guarantee and service The product supplied with this manual is guaranteed against faulty workmanship for a period of two years from the date of dispatch Our obligation assumed under this guarantee is limited to the replacement of parts which by our examination are proved to be defective and have not been misused carelessly handled de faced or damaged due to incorrect installation This guarantee is VOID where the unit has been opened tampered with or if repairs have been made or attempted by anyone except an authorised representative of the manufacturing company Products for attention under guarantee unless otherwise agreed must be returned to the manu facturer freight paid and if accepted for free repair will be returned to the customers address in Australia free of charge When returning the product for service or repair a full description of the fault and the mode of operation used when the product failed must be given In any event the manufacturer has no other obligation or liability beyond replacement or repair of this product Modifications may be made to any existing or future models of the unit as it may deem necessary without incurring any obligation to incorporate such modifications in units previously sold or to which this guarantee may relate This document is the property of the instrument manufacturer and may not be reproduced in whole or part without the written consent of the man
62. y 5 high setpoint OXO0D 14 Relay 6 high setpoint OXOE 15 Relay 7 high setpoint OXOF 16 Relay 8 high setpoint 0X10 17 Relay 1 low setpoint 0X11 18 Relay 2 low setpoint 0X12 19 Relay 3 low setpoint 0X13 20 Relay 4 low setpoint 0X14 21 Relay 5 low setpoint 0X15 22 Relay 6 low setpoint 0X16 23 Relay 7 low setpoint 0X17 24 Relay 8 low setpoint 0X19 26 Channel 1 decimal point OX1A af Channel 2 decimal point OX1B 28 Channel 3 decimal point OX1C 29 Channel 4 decimal point OX1D 30 Channel 5 decimal point OX1E 31 Channel 6 decimal point OX1F 32 Channel 7 decimal point 0X20 33 Channel 8 decimal point TP488IVMAN 2 0 0 47 of 53 10 Data logger The data logger is an optional addition to the instrument This section applies only to instruments fitted with the data logger option If the data logger is being used with the Windows compatible software provided then refer to the separate Download Software User Guide booklet Operation of the data logger The data logger memory will store the hours mins secs day month and year together with the display readings at the time of log update The log update time may be set at the dL AY function The data logger automatically logs inputs to all eight TP488 channels For TP488 channels not selected see Ehn function the overrange value will be logged for each sample The logging rate is set separately and is independent from the instruments scan rate setting SEAN If an input is overr

Manual - Amalgamated Instrument Co Pty Ltd

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