HA20 Manual
Contents
1. 1 3 NR 1 3 1 3 1 3 Specifications 1 3 1 53 1 SUPPIY REGUE MEM nina se B Lc RO eR CU ctt ink ha ud d 1 3 aic I RET tn es th ii i ina ie Sl 1 4 125 29 INNA FO Temperature enn ne a ace i ic ct 1 4 RANGO a a ee eae 1 4 RR NECEM c 1 4 HA20 Technical Manual ii Revision 1 08 08 20 2 Channel Controller Honeywell 2 Operation 2 DE Mca OE ca cease ees 2 2 21 Setup Menu CATR AU 2 2 2 2 Changing Menu Variables Using Keypad sccccsssseccesssnseeesssnnneeeesnsneeeenssnseesenseneaeesssnaneeesesnaeesenssnnecensssnenes 2 3 20 eum Conigurat on MENUS nds 2 3 2 2 2 Channel e ENY MEMU RUNINRERES 2 3 2 2 3 Alarm 1 Alarm 2 7 Alarm d Set Up usui nian a tel 2 3 2 2 4 Using the Configure Menu to Def2. 2 13 H O EE 4 7 E Figure 1 2 Front Panel Display open enclosure Revision 1 08 08 20 2 Channel Controller 1 1 Data Display Screens The HA20 Controller offers three modes for displaying monitored data as shown in Figure 1 3 29 wm CI Next Next 19 8 gt 29 25 85 54 22 02 19 05 Alarm Status OK Channel 2 Pot 02 4 4 Main Data Screen Trend Screen Blind Mode Screen Access Blind Mode Screen from Security menu Figure 1 3 Data Display Screens 1 1 1 Main Data Screen The HA20 Main Data screen shown in Figure 1 3 allows each channel to be viewed simultaneously Engineering unit values and bar graph values are both displayed in real time Arrows below the bars indicate alarm trip point values making it easy to identify channels at or near alarm level The direction the horizontal 45 side arrow points indicates either a HIGH or LOW trip point In Figure 1 1 where Ch 1 points right indicating high trip levels and Ch 2 points left indicating low trip levels Left and Right hand arrows located at the ends of each bar graph point towards Channel Alarm LED s on the front panel associated with this reading The 10 digit ASCII fields for identifying engineering units and Channel ID for each channel are also shown on the Main D
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4. 10 2 TB1 3 Ch2 1 4 2 2 10 2 2 Wire 4 20 3 Wire 4 20mA Transmitter Transmitter Figure 3 4 Wiring for 2 and 3 wire Transmitters HA20 Technical Manual Honeywell 3 1 2 Optional Discrete Relay PCB s P N 10 0222 The optional Discrete Relay PCB shown in Figure 3 6 adds six 5 amp form C relays Each relay is associated to either A1 A2 or for channel 1 or 2 Many HA20 applications utilize the standard equipped Relay 1 Relay 2 see Section 2 3 1 and do not require optional discrete relays for each of the 6 alarms events 2 A1 s 2 A2 s amp 2 A3 s A WARNING All mechanical dry contact relays are rated at 5 Amp for 28 VDC and 250 VAC RESISTIVE loads IMPORTANT Appropriate diode DC loads or MOV AC loads snubber devices must be installed with inductive loads to prevent RFI noise spikes AC or DC power supplies to relays on the 10 0222 Discrete Relay PCB option must be the same for each relay Example 24VDC should not be the power switched by one relay and 115VAC by others 3 4 Revision 1 08 08 20 2 Channel Controller 0 01 Assy HA20 Technical Manual pnd S 8 a 8 2 S zx 5 2 Note When installed this option blocks access to the fuse and must be remove to replace a blown fuse WARNING For continued protection against fire replace only with same type and rating of fuse K1 K2 K5 amp are
5. ALARMS ACTIVE BIT CHANNEL DISABLED CHANNEL CAL 31007 4 BITO 2 4 5 6 BIT8 NA 16 bit status word bit assignment for system status PIEZO DRIVE HORN ACK K1 HORN DRIVE K2 HORN DRIVE HORN PULSE K2 HORN PULSE K1 FAILSAFE K2 FAILSAFE K2 ACK LOCK BIT6 BIT7 BIT8 BIT9 BIT10 BIT11 BIT12 BIT13 BIT14 BIT15 Alarm Status Word 31008 4 NA 16 bit status word bit assignment for system status Revision 1 08 08 20 2 Channel Controller Memory Floating Point CHAN 1ALM 1 CHAN 1ALM 2 CHAN 1ALM 3 CHAN 2ALM 1 CHAN 2ALM 2 CHAN 2ALM 3 RELAY 1 RELAY 2 BITO 2 4 5 6 Binary Cal Data NOTE Returned as 15 bit 25 complement with 5 over underrange applied Therefore this must be considered when scaling values to be displayed at the Workstation The following equation may be used to determine a value for display Display Value MODBUS Value Span Value Zero Value 1 1 Zero Value Span Value Zero Value 05 32767 Chan 1 A2D MIN 41021 4 NA Chan 1 A2D MAX 41022 4 NA Chan 1 D2A MIN 41023 4 NA Chan 1 D2A MAX 41024 4 NA Chan 2 A2D MIN 41025 4 NA Chan 2 A2D MAX 41026 4 NA Chan 2 D2A MIN 41027 4 NA Chan 2 D2A MAX 41028 4 NA Min and Max calibration points for the
6. programmable as described in section 2 3 1 TB1 terminals 1 4 7 10 13 amp 16 are Normally Open Contacts for K1 K6 TB1 terminals 2 5 8 11 14 amp 17 are Normally Closed Contacts for 1 6 TB1 terminals 3 6 9 12 15 amp 18 are Common pole Contacts for K1 K6 Contacts are rated for 5 amp resistive loads Arc suppressing snubber devices should be used for switching inductive loads Figure 3 6 Optional Discrete Relay PCB s P N 10 0222 Honeywell 3 1 3 Optional 4 20mA Analog Output Board P N 10 0223 An optional 4 20mA analog output board shown in Figure 3 7 may be added Each channel s output will transmit 4mA for 0 readings and 20mA for 100 readings Make certain that the mA loop output is set to LATCHING on reading devices connected to the HA40 If the HA20 primary power is 100 240 VAC 4 20mA outputs are capable of driving 20mA through a 750 ohm load Outputs are self powered and DC power should not be provided by the receiving device Precision calibration of the 4 20mA output DAC digital to analog converter is accomplished via the Diagnostics menu as described in Section 2 3 5 Optional 4 20mA Output Notes 4 20mA Outputs are sourcing and 24 VDC power must not be supplied by the receiver device E 5 5 S 8 b Loop drive capability is 750 ohms with nominal 85 240 VAC power or 24 VDC power as the Controller primary power supply 4 20mA OUT s Figure 3
7. 1604 C22 2 No 213 NEMA 4X Div 2 Gr A B C D NEMA 7 Div 1 Gr D EN55011 amp EN61000 CE mark 5 Specifications Certifications Input power 100 240 VAC 50 60 Hz 24 VDC DC output power 15 watts internal supply 50 watts optional external supply Relay output rating 5A 28 VDC or 250 VAC resistive load Optional relay output rating 5A 28 VDC or 250 VAC resistive load Optional milliamp loop 10 bit 4 20mA output Max load 800 ohms with output nominal 24 VDC Communication RS232 Modbus Length of communication lines Operating environment Industrial Operating temperature 25 to 50 C 13 F to 122 F range Operating humidity range to 90 RH non condensing Operating altitude 2000m 6562 ft Audible alarm 100 dB Display 128 x 64 backlight graphic LCD Visual Indicators 6 LED status indicators Pollution degree N4 3 Enclosure 4 NEMA Div 2 Groups A B C D Category II Enclosure XP NEMA 7 Div 1 amp 2 Groups B C D Dimensions H x W x D N4 10 32 x 8 92 x 3 17 23 62 x 22 66 x 8 05cm XP 15 10 x 13 x 6 25 36 2 x 33 x 15 88 Weight N4 2 27 Kg 18 14 Kg HA20 Technical Manual 6 2 Revision 1 07 08 20 2 Channel Controller Honeywell 7 Warranty HA20 Technical Manual 7 1 Revision 1 07 08 HA20 2 Channel Controller Honeywell Analytics Warranty Statement All products are designed and man
8. cable only TB1 RS 485 terminations 51 RS 232 terminations Figure 3 8 Modbus RS 232 RS 485 Interface Option P N 10 0253 Revision 1 08 08 HA20 2 Channel Controller 3 2 1 Modbus Register And Function Code Summary The following table identifies HA20 Modbus register locations and function codes READ WRITE VARIABLE ALIAS FUNCTION FUNCTION CODE CODE Read Write Coils Alarm Ack Reset 2001 1 5 NOTE After writing a TRUE to this register the HA20 40 will reset it to FALSE Read Only Discrete Chan 1 Alarm 1 12001 2 NA Chan 1 Alarm 2 12002 2 NA Chan 1 Alarm 12003 2 NA Chan 2 Alarm 1 12004 2 NA Chan 2 Alarm 1 12005 2 NA Chan 2 Alarm 12006 2 NA Relay 1 12007 2 NA Relay 2 12008 2 NA Read Only Registers A2D Raw Chan 1 31001 4 NA A2D Raw Chan 2 31002 4 NA 10 bit value representing the A2D value of 0 to 1023 for 25 to 103 FS 1972096 amp 1003210096 D2A Chan 1 31003 4 D2A Chan 2 10 bit value representing the D2A value of 0 to 1023 after all cal features are applied 31004 4 NA HA20 Technical Manual 3 7 Honeywell Chan 1 Status Chan 2 Status 31005 4 31006 4 NA NA 16 bit status word bit assignment for each channel System Status Word ALARM1 BELOW ALARM2 BELOW ALARMS BELOW ALARM1 LATCH ALARM2 LATCH ALARMS LATCH BIT
9. source DOES NOT source aux power output TB3 see Figure 3 1 Revision 1 08 08 20 2 Channel Controller The basic HA20 consumes only 1 5 watts of 10 30 VDC from the integral power supply Optional features and external devices such as remote transmitters increase power consumption as described below Discrete Relay PCB option add 1 5 watt e 4 20mA Output PCB option add 5 watt TB3 terminals 1 amp 2 on the motherboard provide a maximum of 350mA output power for powering of auxiliary external devices such as relays lamps or transmitters see Figure 3 1 Power consumed from these terminals must be included when calculating system power consumption e 10 0221 2 Analog Input PCB option add wattage for each monitor connected to this board s 24 VDC terminal Some applications require the HA20 controller to source power for high power monitors If the integral 15 watt power in not enough a 24VDC 50 watt power supply UL rated for Div 2 hazardous areas is available This option is also available with a Div 1 enclosure if an explosion proof enclosure is required See Section 5 Specifications A WARNING A backup or external DC power source DOES NOT source auxiliary power output see figure 3 1 TB3 HA20 Technical Manual 1 4 Honeywell 1 3 2 Relays Two mechanical dry contact Common Form C relays are standard and may be mapped to various alarm events as described in Section 2 3 1 HA20 s may al
10. than 2 feet annunciator loads SHOCK HAZARD RISK OF ELECTRICAL SHOCK DISCONNECT OR TURN OFF POWER BEFORE SERVICING THE EQUIPMENT Figure 3 2 Motherboard Relays and Terminals HA20 Technical Manual Honeywell 3 1 Input Output Optional PCB s P1 P2 and P3 connectors on the motherboard offer unique positions for I O options described in this section A screen appears briefly after power up indicating what options types are connected 3 1 1 Optional Analog Input PCB P N 10 0221 2 Transmitter input PCB option 410 0221 shown in Figure 3 3 is available for interfacing the HA20 to field transmitters with 4 20mA or voltage outputs 0 2 VDC max TB1 provides Channel 1 amp Channel 2 terminals for receiving analog inputs R1 R2 are 100 ohm precision socketed termination resistors between each channel s signal and 4 20mA input terminals These may be removed if voltage inputs are to be applied TB2 provides 2 terminals connected to the HA20 internal 24 VDC power supply for powering external transmitters Figure 3 3 shows correct wiring for both 2 wire and 3 wire transmitters 3 3 Revision 1 08 08 20 2 Channel Controller Assy 10 0221 c 1 2 1 2 3 4 r E T 24VDC POWER OUT 4 20 INPUTS 00 f R1 Ch1 100 ohm 4 20mA terminator R2 Ch2 100 ohm 4 20mA terminator Figure 3 3 Analog Input Board TB1 1 Ch1 TB1 1 Ch1 TB1 2 Ch1 TB1 3 Ch2 TB2
11. the up down arrow keys indicates the selected variable Some are simple YES NO or ON OFF entries toggled by pressing the Edit key Others such as Channel ID and Eunits fields may have many ASCII character possibilities Allowed ASCII characters are as follows ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz blank space 9 8 0123456789 lt gt V Notice the often used blank character is located after lower case z and before the exclamation point Edit places a cursor under the item and up down arrow scroll through each allowed entry The Next key moves the cursor to the next position within a field When the field is complete Edit clears the cursor and loads the field into non volatile memory where it is retained indefinitely Without a cursor present the Next key closes open menus in reverse order and returns the LCD to the data display HA20 Technical Manual 2 3 Honeywell 2 2 1 Setup Configuration Menus The SETUP menu shown in the middle of Figure 2 1 and in Figure 2 2 is reached by pressing Edit with any data display present This is the entry level screen to all Channel System and Security menus It also shows the firmware version operating in the HA20 Use the up down arrows keys to move the pointer to the desired menu and press the Edit key to select A SETUP Rew Channel 1 BS Channel 2 System Security Figure 2 2 Setup Configuration Menu 2 2 2 Channel Setup En
12. travel expenses for on site warranty services will be charged at Honeywell Analytics normal billing rates Contact your Honeywell Analytics representative for information on available Service Contracts HA20 Technical Manual 7 2 Honeywell Honeywell Analytics shall not be liable for any loss or damage whatsoever or howsoever occasioned which may be a direct or indirect result of the use or operation of the Contract Goods by the Buyer or any Party This warranty covers the controller and parts sold to the Buyer only by authorized distributors dealers and representatives as appointed by Honeywell Analytics This warranty does not cover defects attributable to improper installation repair by an unauthorized person or the use of unauthorized accessories parts on the product A warranty claim will only be accepted if a proof of purchase is submitted and all conditions obtained within this Warranty are met Honeywell Analytics reserves the right to validate any warranty claim prior to processing Upon acceptance of a warranty claim Honeywell Analytics will repair or replace the defective product free of charge The initial warranty period is not extended by virtue of any works carried out there after Instruments which have been repaired or replaced during the warranty period are warranted for the remainder of the unexpired portion of the original warranty period Honeywell Analytics is released from all obligations under its warranty in
13. 20MmA Analog Qutp t Board a a 3 5 3 2 Modbus RS 232 RS 485 Interface Option caia DD SERA dE CORE 3 6 421Modbus Register And Function Code Summary s caa acit 3 7 4 Enclosures 4 Pere Per 4 2 4 1 2 4X Wall Mount 5 2 oni tu canada aac RE ac C22 unc Ux ERE cu Dc 4 2 4 2 HA20XP NEMA 7 Explosion Proof Wall Mount Enclosure ceeeee eere enne 4 2 5 Parts List 5 Parts 5 2 6 Specifications 5 Specifications E 6 2 7 Warranty Honeywell Analytics Warranty Stalemoel india etta ata innu thin eo co in in e inae Ghana na e eaae ceu Ds nr Chemin 7 2 HA20 Technical Manual iv Revision 1 08 08 20 2 Channel Controller Honeywell HA20 Technical Manual V Revision 1 08 08 20 2 Channel Controller Honeywell 1 General Description HA20 Technical Manual 1 1 Revision 1 08 08 20 2 Channel Controller 1 General Description The Honeywell Analytics HA20 2 Channel Controller is designed to display and control alarm event switching for two inputs Inputs are typically voltag
14. 7 Optional 4 20mA Analog Output Board P N 10 0223 3 5 Revision 1 08 08 20 2 Channel Controller 3 2 Modbus RS 232 RS 485 Interface Option P N 10 0253 The 10 0253 Modbus option PCB adds both RS 232 and RS 485 Modbus RTU slave ports Figure 3 8 shows this optional PCB which mounts to connectors on the upper right corner of the HA20 motherboard TB1 provides two pairs of T Rx terminals and a floating terminal for shield continuation This makes it easy to multi drop HA20s onto an RS 485 cable without doubling wires into the same screw terminals RS 232 interface may be made by connecting to DB9 connector S1 Section 3 2 1 lists all modbus registers and their function codes A WARNING Follow correct IEEE RS 232 and RS 485 installation guidelines when using the 10 0253 option HA20 Technical Manual 3 6 Honeywell RS 232 Connector Schematic connect 51 NC 15 TXD 25 RXD 3 GND 4 gt NC 55 NC 62 RS 232 Shorted to 8 7 Shorted to 7 8 9 leues uondo V JP2 Term j Resistor 58 54 JP1 RS 485 Terminal Reston Schematic connect TB1 Select XH l w eo x gt w azs HH A T RX B 5 485 Transceiver RS 232 Transceiver NC for shield c m continuation SS Socket q Socket 4 0010 1204 Assy 10 0253 JP1 selects either RS 232 or RS 485 operation JP2 installs RS 485 terminating resistor end of
15. A D and D A converters Memory ASCII Strings User Info Chan 1 40401 40405 3 NA User Info Chan 2 40406 40410 3 NA 10 ASCII characters 2 per register assigned to the unit identifier read as FP Value Chan 1 33001 4 NA FP Value Chan 2 33002 4 NA Memory Reals NOTE Real value represents float value without the decimal point such as 123 4 is returned as 1234 Decimal devisor is returned as 1 10 100 or 1000 for decimal position of 1 2 3 or 4 where 123 4 would return the value 10 bytes EUNITS Chan 1 40411 40415 3 NA EUNITS Chan 2 40416 40420 3 NA 10 ASCII characters 2 per register assigned to the engineering units read as bytes Chan 1 ASCII Reading 40421 40423 3 NA Chan 2 ASCII Reading 40424 40426 3 NA 6 ASCII characters 2 per register reflecting the display readout Firmware Version Version 40427 40428 3 NA 4 ASCII characters 2 per register reflecting the firmware version Chan 1 Zero Real 41001 4 NA Chan 1 Zero Devisor 41002 4 NA Chan 1 Span Real 41003 4 NA Chan 1 Span Devisor 41004 4 NA Chan 1 Alarm 1 Real 41005 4 NA Chan 1 Alarm 1 Devisor 41006 4 NA Chan 1 Alarm 2 Real 41007 4 NA Chan 1 Alarm 2 Devisor 41008 4 NA Chan 1 Alarm 3 Real 41009 4 NA HA20 Technical Manual Revision 1 08 08 20 2 Channel Controller Honeywell HA20 Technical Manual 3 9 Revision 1 08 08 20 2 Channel Con
16. A20 Technical Manual 3 1 Revision 1 08 08 20 2 Channel Controller 3 Motherboard Interface PCB P N 10 0215 The HA20 Motherboard shown in Figure 3 2 is the interface between the Display CPU assembly and all other system devices The Display CPU assembly attaches to the motherboard with 4 standoffs and connects via ribbon cable to S1 Several input options described in the following sections are available that may be installed into the Sensor Input Option P1 connector located on the lower left side of the motherboard The middle position P2 connector is for the 10 0223 4 20mA Output option and the right position P3 connector is for the 10 0222 Discrete Relay option Other option devices such as Modbus RTU RS 485 Ethernet and a data logger may also be installed to connectors located on the Motherboard The Motherboard PCB contains a 24 VDC universal input 100 240 VAC switching power supply with up to 350mA available at TB3 Auxiliary Power Output terminals Figure 3 1 If AC power is unavailable or if a DC battery back up supply is needed TB1 provides terminals for DC power input Blocking diodes isolate internal and external DC supplies as shown in Figure 3 1 HA20 Technical Manual 3 2 Honeywell A Universal Input Power Supply 2 Amp 250V 5x20mm fuse located under C In terminal cover DC Out WARNING For continued protection against fire replace only with
17. HA20 2 Channel Controller Honeywell Technical Manual Version 2 08 and up 20 2 Channel Controller Safety WARNING Read and understand contents of this manual prior to operation Failure to do so could result in serious injury or death IMPORTANT SAFETY The following terms and symbols are used in this manual to alert the operator of important instrument operating issues A i This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions This symbol is intended to alert the user to the presence of dangerous voltage within the instrument enclosure that may be of sufficient magnitude to constitute a risk of electric shock This symbol signifies the system s ground terminal DC refers to direct current voltages VAC refers to alternating voltages WARNINGS Shock Hazard Disconnect or turn off power before servicing this instrument NEMA 4X wall mount models should be fitted with a locking mechanism after installation to prevent access to high voltages by unauthorized personnel see Figure 4 1 Only the combustible monitor portions of this instrument have been assessed by CSA for 122 2 No 152 performance requirements for HA20 Technical Manual Honeywell combustibles using mA input This equipment is suitable for use in Class Division 2 Groups A B C and D or non hazardous locations only EXPLOSION HAZARD SUBSTIT
18. UTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I DIVISION 2 EXPLOSION HAZARD DO NOT REPLACE FUSE UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS A CAUTIONS Use a properly rated CERTIFIED AC power mains cable installed as per local or national codes For DC powered units DC power must be from a SELV rated source A certified AC power mains disconnect or circuit breaker should be mounted near the controller and installed according applicable local and national codes If a switch is used instead of a circuit breaker a properly rated CERTIFIED fuse or current limiter is required to be installed as per local or national codes Markings for positions of the switch or breaker should state I for on and 0 for off Clean using only a damp cloth with no solvents Equipment not used as prescribed within this manual may impair overall safety Revision 1 07 08 20 2 Channel Controller Honeywell Table of Contents SOC 1 General Description 1 General Descrplionnioseiice sickness cutus auae cbe aua dba cla ot ei ia eu a Va i i i qu lu ava eR lu a d ga 1 2 1 1 Data Display SCre inS emRRRRRe 1 3
19. active Figure 2 5 r Channel 1 COMFIG Enter ID EUHIT 18 digit zero B Decimal Fts Channel Active YES Figure 2 5 Configure Menu Define Channel Name Eunits ASCII Data Fields The first two items in this menu Name and EUNIT are for entering the 10 character channel Name and engineering unit ASCII fields Name should describe the channel s data in user terminology such as tag or other description Eunits should define the units of measure for what this channel is to display Several standard Eunits fields are available by pressing Edit but if these are inappropriate a CUSTOM field allows editing of each character Section 2 2 describes how to modify these fields using the keypad Revision 1 07 08 20 2 Channel Controller Input Measurement Range The ZERO SPAN menu options allow configuration of the measurement range displayed by this channel Measurement Range defines the range of the input signal s engineering units For example if a channel s input is 4 20mA from a transmitter monitoring 0 to 10ppm chlorine then the Zero value should equal 0 000 and the Span value equal 10 00 Four digits must be entered so trailing O s may appear here that are not displayed on other data screens Decimal Point Resolution Resolution of the displayed channel value is configured in the Decimal Pts menu by setting the number of digits trailing the decimal point Displayed readings are lim
20. application required 8mA input to read ZERO at 400 counts an Input Min setting of 400 would accomplish this Common Relays menu item allows manual activation of the common relays and optional local audible piezo Discrete Relays menu item allows manual activation of the optional 10 0222 Discrete Relay boards Diagnostics Guteut Zero utrut Sran Input Common Relaus Discrete Relays Figure 2 14 Diagnostics Menu then set the Output Span DAC value for 20mA on each channel These HA20 Technical Manual 2 9 Revision 1 07 08 20 2 Channel Controller 2 4 System Security Menu A 4 digit Pass Code entered and confirmed in this menu item locks all menus Viewing menus is not denied but attempts to edit variables flashes the Locked message on the LCD Authorized individuals locking the system should first enter a name phone or other contact information in the 12 character field on the top line of the System SECURITY screen To lock or unlock the system the correct 4 digit authorization number must be entered into the Pass Code field It is very important to remember the 4 digit code since the factory must be consulted if it is lost System SECURITY BB Contact Blind Mode Pass Cade Unlocked Figure 2 15 System Security Menu HA20 Technical Manual 2 10 Honeywell Revision 1 07 08 20 2 Channel Controller Honeywell 3 Motherboard Interface PCB H
21. ata screen 1 1 2 Trend Screen In addition to the Main Data screen described above the HA20 also provides 30 trend screens for each channel as shown in Figure 1 3 Use the Next key to scroll between data screens HA20 Technical Manual 1 3 Honeywell 1 1 3 Blind Mode Screen The HA20 Blind Mode screen Figure 1 3 does not allow viewing of channel engineering unit values It only indicates the system s alarm status and time date Some applications require only alarm status be displayed and prefer monitored values not be shown A SECURITY menu see Section 2 4 allows locking all configuration parameters and having only the Blind Mode screen available for viewing 1 3 Specifications 1 3 1 Power Supply Requirements The HA20 is equipped with an integral 15 watt universal AC input 24 VDC output switching power supply Standard HA20 AC power requirements are 100 240 VAC 50 60 Hz 45 amp max including inrush and 20 watts steady state applied to TB5 on the motherboard If AC power is not available the HA20 may also be powered with 24 VDC applied to TB1 on the motherboard A primary DC source or back up DC source capability should be determined by the total system power budget calculation with guard band included A back up DC power source may also be connected to TB1 for automatic switchover if the AC power source fails See Figures 3 1 amp 3 2 for wiring information A WARNING A back up or external DC power
22. ate the sensor These are entered in the same engineering units as the input range r Ch 1 CAL SETUP 4 Pzero Gas 4 4 Sean 38 8 Set UNITY Gain CAL Offset 8 680 CAL Gain 1 668 Figure 2 6 Cal Setup Menu Revision 1 07 08 20 2 Channel Controller 2 2 6 Calibrate Input Menu Calibration is the most important function for ensuring correct operation of HA20s equipped with sensor inputs The CAL MODE flow chart shown in Figure 2 7 is designed to make calibration quick easy and error free A successful ZERO and SPAN calibration requires only five keystrokes Optional 4 20mA outputs if equipped transmit 1 5mA during CAL MODE and 4mA during the subsequent CAL PURGE delay to prevent external alarms during calibration Local HA20 alarm relays are inhibited during CAL MODE Unintentional calibrations may be reset using the Set UNITY menu item Set UNITY resets CAL OFFSET to 0 amp CAL GAIN to 1 which is useful for returning the calibration to a known starting place Sensor aging may be monitored by recording zero and span readings at Unity Gain when the sensor is new and again later when degradation may have occurred CAL MODE automatically exits if no keystroke is detected after 5 minutes Follow these sensor calibration guidelines Calibration accuracy is only as good as the calibration standard accuracy Honeywell Analytics recommends calibration standards with NIST National Institute of Standards and Tec
23. ay will affect the horn driver circuit connected to J2 on the motherboard Choices are NO STEADY or PULSE The horn can be set to Pulse for warning alarm levels and setto Steadyfor high alarm levels Thus personnel can know which alarm level is present by based on the pulsing or steady horn Turning Acknowledge ON not allowed on Relay 1 allows Relay 2 to be deactivated by an Alarm Reset during alarm conditions This is useful if another audible device is being driven by the relay The acknowledge feature is not available for Relay 1 since itis often used for driving a warning light and Relay 2 for driving a horn Using Acknowledge thus deactivating when horn and light are activated could be dangerous since this deactivates both and no indication of the High alarm remains 2 3 3 Figure 2 11 Horn Piezo Menu Comm Port Menu The system Comm Port menu allows setting RTU address for the optional slave Modbus serial port This slave port may be used to transfer HA20 data to a host device such as a PC PLC DCS or even another Honeywell Analytics Controllers The slave port is addressable allowing many HA20 controllers to be connected to a single RS 485 cable 2 8 COMMUNICATIONS RTU ID 1 Figure 2 12 Communication Port Menu Revision 1 07 08 20 2 Channel Controller Honeywell menu items may also be used to drive 4 20mA into receiver devices 2 3 4 Clock Delays Menu e The HA20 monitors si
24. becomes necessary to apply a different gas concentration see Figure 2 6 Span Gas in Section 2 2 5 5 the SPAN calibration is successful the display flashes REMOVE CAL GAS and starts the CAL PURGE delay 6 CAL MODE will be complete after the end of the CAL PURGE delay Revision 1 07 08 20 2 Channel Controller The flow chart in Figure 2 7 illustrates the above procedure up arrow CAL Next amp Edit labels indicate keystrokes down arrow CAL is a dual purpose key The CAL MODE information screen top of the chart is available for advanced users to see Offset Gain calibration constants and live analog to digital converter A D counts Span Gas calibration values may also be edited from this screen Holding the up arrow key for 5 seconds during CAL MODE displays this screen Unity Gain may be used at anytime to cancel incorrect calibrations and start again CAL MODE info screen x use to change SPAN GAS value d to Offset Gain constants Hold UP key 5 sec Hold UP key 5 sec DATA DISPLAY 5 T Back to DATA DISPLAY Channel 1 CAL then EDIT select Ch to CAL NEXT KEY REMOVE CAL GAS ZUAL Aeris SUAL Eunits Eunits NEXT CAL EDIT If ZERO Cal Fails If ZERO Cal OK show for 5 seconds ZERO CAL Successful Figure 2 7 Cal Mode Flow Chart if SPAN Cal Fails If SPAN Cal OK show
25. ccurs ON delays are limited to 10 seconds while OFF delays may be as long as 120 minutes Delays are useful in many applications to prevent nuisance alarms and unwanted cycling into and out of alarm conditions Low Trip is set to NO to increase alarms or YES to decrease alarms which determines if the alarm activates upon exceeding or falling below the set point Latching determines either manual or automatic alarm reset operation YES requires a manual Alarm Reset to unlatch the alarm even though an alarm condition no longer exists YES also causes this alarm s common relay front panel LED and optional discrete relay to latch NO allows all outputs for this alarm to automatically reset after the alarm condition clears Discrete LED indicators on the front panel indicate the status of each HA20 Technical Manual 2 4 Honeywell alarm Any new alarm event causes the associated LED to flash until an Alarm Reset occurs causing an acknowledged steady on condition Operators should recognize new alarms by a flashing LED Alarm Reset also acknowledges or deactivates audible devices driven by the AUDIBLE ALARM option connector J2 see Figure 3 2 2 2 4 Using the Configure Menu to Define Channel The next menu option after the Alarm Setup option is Configure It allows setting Name and EUNIT fields defining the measurement range Zero and Span how many decimal points of resolution the reading will have and whether the channel is
26. e or 4 20mA current from transmitters monitors or other analog output devices The HA20 is equipped with a Fault and three alarm levels per channel with features such as ON OFF delays latching relays and alarm Acknowledge A dedicated horn driver circuit for a local audible annunciator is also standard Two standard 5 amp alarm relays are configurable via the alarm voting menu to make relays trip based on various alarm combinations A real Time Clock and Calendar are also standard Options such as 4 20mA outputs discrete relays for each alarm and audible annunciators are easily added RS 485 Modbus RTU or Ethernet Modbus TCP ports are also available for sending data to PC s PLC s DCS s or other Honeywell Analytics controllers A 128 x 64 pixel graphic LCD readout displays monitored data as bar graphs 30 minute trends and engineering units System configuration is via user friendly menus and all configuration data is retained in non volatile memory during power interruptions The HA20 front panel shown in Figure 1 1 displays the bar graph data screen The five button symbols below the display are magnetically activated using the magnetic wand supplied without opening the enclosure Opening the enclosure door provides access to the touch keypad as shown in Figure 1 2 HA20 Technical Manual 1 2 Honeywell Figure 1 1 Front Panel Assy 10 0214 a S Channel 1 29
27. for 5 seconds SPAN CAL Successful HA20 Technical Manual 2 7 Honeywell 2 3 System Configuration Menus Several items needing configuration are not specific to either channel but affect the entire system These are located in the system tree entry menu shown on the left side of Figure 2 1 System menus are accessed by pointing to the desired item and pressing Edit The Diagnostics menu group is useful for testing relay and analog without stimulating the input System SETUP 1 Relay 2 Horn Piezo Comm Port ClockzDelauss Diagnostics Figure 2 8 System Configuration Menu 2 3 1 Relay 1 Relay 2 Menus The Relay 1 amp Relay 2 menus are identical except Relay 2 has an acknowledge feature that is useful if it controls an audible device All other Relay 1 amp Relay 2 features are identical and therefore are discussed only once 2 We Set Relay Logic Fail Safe HO Horn STEADY Acknowledge HO Figure 2 9 Relay Menus The Set Relay Logic menu shown below in Figure 2 10 offers additional voting flexibility by controlling the channel alarm combinations that will trip this common alarm relay OVR on the menu s right side stands for override and means ANY of the selected alarms will activate the relay The OR AND columns work together based upon the following logic equation Revision 1 07 08 20 2 Channel Cont
28. gnals from sensors that may require varying times to stabilize after power is applied The Startup Delay menu item allows setting how long alarm relays remain disabled after power is applied e Cal Delay determines how long alarm relays are inhibited after completing a calibration e The HA20 is equipped with a 24 hour clock and calendar Time and Date menu items are for setting the correct time and date Time of day must be entered in 24 hour mode For example 6 00 00 PM z is indicated as18 00 00 Clock Delays Startur Delay Cal Delay s Time 88 54 22 Date Figure 2 13 Clock Delay Menu 2 3 5 Diagnostics Menu warninc Alarm processing is halted with the Diagnostics mode active The Diagnostics menu Figure 2 14 is useful for testing standard and optional Input Output devices such as relays and 4 20mA outputs Diagnostic menu items are described below Output Zero Output Span DAC value digital to analog converter menu items are set atthe factory to calibrate optional 10 0223 4 20mA Output boards If field adjustment is required monitor the 4 20 output and set the Output Zero DAC value for 4mA on each channel without stimulating sensor inputs Input Min Max ADC analog to digital converter menu items are set at the factory with default values for each channel of 200 to 1000 counts These settings may be utilized to affect what input values provide ZERO and SPAN readouts For example if an
29. hnology traceable accuracy to increase the validity of the calibration e Do not use a gas cylinder beyond its expiration date e Calibrate a new sensor before use Allowthe sensor to stabilize before starting calibration Consult the appropriate sensor manual for warm up times Calibrate on a regular schedule Consult the appropriate sensor manual for calibration intervals or depending on use and sensor exposure to poisons and contaminants Calibrate only in a clean atmosphere free of background gas HA20 Technical Manual 2 6 Honeywell Use the following step by step procedure to perform ZERO and SPAN calibrations 1 To enter the CAL MODE from any data display press the dual purpose down arrow CAL key and press the Edit key within 5 seconds then select channel 2 Using the Cal Cup and following the instructions on the screen apply a clean ZERO gas or be sure there is no background target gas in the monitored area After the reading is stable approximately 1 minute press the Edit key to perform a ZERO calibration 3 If the ZERO calibration is successful CAL MODE automatically proceeds to the SPAN check 4 Apply the correct SPAN calibration standard After the reading is stable press the Edit key to perform a SPAN calibration WARNING The SPAN gas used must match the value specified since this is what the HA20 will indicate after a successful SPAN calibration The Span Gas value may be edited if it
30. ine Channel i eaa cicuta naim 2 4 Name Eunts ASOM Data 2 4 Input Measure 2 5 Decimal RESONON rietan hah a 2 5 Turning Oi NERIS 2 5 PIE TES n MEN eee re 2 5 E Calibrate Mput Men hn Sasi ei ca arc ch te ar oa eects 2 6 2 3 System Tie Tee Le oT RE 2 7 2 1 Relay 177 Relay 2 Menus Se ste blu dida Dal yn bd 2 7 zs Hom Piezo MO ascia ui a pa db dd itid RE dc dli dd 2 8 22 2 COMM Por Milius DG pa dict bd D adden 2 8 2 24 Delays MEMU cis i ic dete dic bd MR 2 9 229 Diagnostics acidic uideo cu baia dud e biis MR CH bd 2 9 2 4 Syst m Security lc 2 10 HA20 Technical Manual iii Revision 1 08 08 20 2 Channel Controller Honeywell 3 Motherboard Interface PCB 3 Motherboard BILLARD ca tt I eee ere ere ee eee er 3 2 21 3 3 S12 Ca Discrete Relay PIOS 3 4 3 1 3 Optional 4
31. is option Dual 4 20mA 10 0221 blocks access to the fuse and must be removed fo replace fuse Each option listed may also O RELAY 1 Indicator be configured for 4 20mA Inputs See drawings for details on each RELAY 2 Indicator WARNING For continued protection against fir He Leius 2002 E m 2 AMP FUSE 5x 20mm TB1 TB2 J2 TB3 4 5 1 2 3 4 12 5 1 2 3 4 5 6 T 2 3 596 i sessed b s UC PECES u ew D 27 AUDIBLE Lux Is LU aint 1 RESET ALARM OPTION POWER Y DRY CONTAETS 50160 Hz a 7 OUTPUT A AC POWER 2 4 SN TB1 TB4 TB5 Available 24 VDC Dry contactinputforuse Terminal 24VDC 24 VDC power output 5 amp resistive SPDT Universal 100 240VAC rimary power input with optional remote Terminal is open for remote devices such form dry contact retay Primary power source lay also be used as Alarm Reset switch collector 100mA driver as transmitters lights outputs Use appropriate _ terminals i battery back up to AC Wires must be shorter for use with optional 100 relays etc 350mA diode snubber devices Important GND terminal primary power source than 10 feet amp shielded decibel piezo see Figure 3 0 when switching inductive must be tied to earth TIE GND to EARTH if longer
32. ited to a maximum of four digits with a polarity sign Auto ranging displays the highest resolution allowed by this menu s decimal point entry For example a range of 0 to 100ppm and two decimal points reads 0 00 at Oppm and 100 0 at 100ppm This may be undesirable due to the high resolution at zero unless the sensor s output is extremely stable If decimal points are limited to one the Oppm reading becomes 0 0 and the 100ppm reading remains 100 0 Resolution may be limited further by setting decimal points to 0 where in the above example Oppm reads 0 and 100ppm reads 100 Turning Off Unused Channels The Channel Active menu entry asks if this channel is to be utilized OFF causes the controller to never process inputs applied to this channel and no alarms are tripped or data displayed Inactive channels have a line drawn through them on the Setup screen to indicate they are turned off HA20 Technical Manual 2 5 Honeywell 2 2 5 CAL Setup Menu The CAL SETUP feature supports pushbutton calibration of zero and span values This feature should only be utilized when there are no other zero span controls within the monitoring system since it is inappropriate to calibrate a signal at more than one point Therefore if calibration will be performed at another transmitter or monitoring device the CAL MODE feature should not be used The CAL SETUP menu allows entering the correct Zero Gas amp Span Gas set point values needed to calibr
33. l mount enclosure designed for mounting into potentially hazardous 13 00 lm 6 25 aij o Ae 1425 8 09 Sdo f ican N 74 P X X 4 Mounting Feet 9 87 Figure 4 2 NEMA 7 Explosion Proof Wall Mount Enclosure 4 2 Revision 1 06 08 40 4 Channel Controller Honeywell 5 Parts List 40 Technical Manual 5 1 Revision 08 08 40 4 Channel Controller 5 Parts List Base Units 20 4 NEMA 4X Enclosure incl Magnetic Keypad for nonintrusive control 4 20mA HA20XP NEMA 7 Enclosure incl Magnetic Keypad for nonintrusive control 4 20mA Options 10 0221 2 Dual 4 20mA Analog INPUT PCB 10 0223 Dual 4 20mA Analog OUTPUT PCB Options and Accessories 10 0222 Relay Option to add six 5 amp Form C relays 10 0227 Modbus RS 232 RS 485 Option 10 0284 Division 2 red xenon strobe light includes mounting to top of NEMA 4 models 1000 1892 100db piezo audible NEMA 4X enclosure only 40 Technical Manual 5 2 Honeywell Revision 1 08 08 20 2 Channel Controller Honeywell 6 Specifications HA20 Technical Manual 6 1 Revision 07 08 20 2 Channel Controller Honeywell CSA C22 2 No 1010 1 ISA S82 02 CSA C22 2 No 152 for combustibles using mA input UL
34. mp EN61000 CE Mark CSA File 219995 and may be seen at www CSA International org HA20 Technical Manual 1 5 Honeywell Revision 1 08 08 20 2 Channel Controller Honeywell 2 Operation HA20 Technical Manual 2 1 Revision 1 07 08 20 2 Channel Controller 2 Operation The HA20 s graphic LCD displays monitored data The 5 button keypad and the display serve as the system s operator interface All configuration variables are entered using this operator interface through SETUP menus accessed by pressing Edit from either data screen This Setup mode may be exited manually by pressing Next or automatically when no keys are pressed for 5 minutes Alarm relays and front panel alarm LED indicators remain active during the Setup mode Alarm LED s flash upon new alarms and become steady after Acknowledged by pressing the Alarm Reset key A SECURITY menu offers a password feature to prevent tampering with HA20 parameters A screen appears briefly after power is applied that indicates what type of input output options are configured with the unit Several signal conditioning input options are available to allow the 20 to accept sensor and other analog signals directly see Section 3 1 2 1 Setup Menu Configuration Variables within the CHANNEL see Section 2 2 and SYSTEM see Section 2 3 menu trees allow HA20 configuration of a wide range of monitoring applications Select the desired men
35. roller AND column selections ANDED WITH OR column selections relay 2 3 2 Horn Piezo Menu activation Honeywell The HA20 display PCB is equipped with a small audible piezo HA20 Technical Manual For example if Ch1A1 amp Ch2A1 are selected AND column and Ch1A2 amp Ch242 are selected in the OR column the logic equation is Ch1A1 AND Ch2A1 ANDED WITH Ch1A2 OR Ch242 This requires both A1s along with either A2 to activate the relay Figure 2 10 Set Relay Logic P N 1000 1892 NEMA 4X housing only that chirps when keys are pressed providing an audible feedback to the operator It also may be set to audibly indicate alarm conditions by selecting YES in the Piezo On menu option Figure 2 11 This piezo will then mimic the Horn settings menus described in Section 2 3 1 Chz AL cee we B LH The Horn ACK menu item determines if the Horn Driver output EB BI may be acknowledged by an Alarm Reset YES causes an cua Alarm Reset to silence the horn even though an alarm condition remains active Hornz Pieza Failsafe controls relay activation for the common relays Failsafe ES ON causes these relays to de energize during alarm conditions Horn RCK and energize when there is alarm With Failsafe active a power failure forces the relay contact to the alarm position Horn controls how activating this rel
36. same type and rating of ft 2 Amp 9 1 250V Fuse To Local Controller Circuits TB5 To optional 1 TBS me 24VDC 4 2 1 2 2 Pn 100221 CL tos 12 GND SHOCK HAZARD DC PWR AUX 100 240 VAC 77 RISK OF ELECTRICAL 45 50 60 Hz AC POWER SUPPLY INPUT OUTPUT OUTPU TURN OFF POWER ory al primit BEFORE SERVICING THE EQUIPMENT POWER SHOCK DISCONNECT OR Figure 3 1 DC Power Supply Schematic TB2 offers field terminals for a remote alarm reset switch The motherboard also includes alarm relays 1 amp 2 K1 amp and their indicating LED s TB4 provides field wiring terminals for these relays TB5 is for connection to the 85 240 VAC power source J2 is a 2 pin connector for powering the optional part 1000 1892 audible annunciator Revision 1 08 08 20 2 Channel Controller 0010 1167 Rev Assy 10 0215 2 Channel Controller MotherBoard ACL ACN Universal Switching Power Supply PS1 RS R85 ETHERNET OPTION DATA LOGGER PORT re Connections to J1 amp J3 are not covered by CSA 03 i Ribbon Cable to 10 0214 Display Assembly xp xs coon O TP Ez lj SENSOR INPUT OPTION e MEC UON DISCRETE RELAY OPTION Combination Cat bead Toxic 10 0216 dad See dwg 10 0222 Dual Toxic 10 0220 Note If installed th
37. so be equipped with optional solid state common Form A relays see Section 5 Specifications for details in applications requiring non arcing switching Solid state relays are recommended for switching of highly inductive loads A six mechanical dry contact Discrete Relay option board see Section 3 1 6 provides dedicated Form C relays for ALARM 1 ALARM 2 and FAULT for all channels WARNING All mechanical dry contact relays are rated at 5 Amp for 28 VDC and 250 VAC RESISTIVE loads IMPORTANT Appropriate diode DC loads or MOV AC loads snubber devices must be installed with inductive loads to prevent noise spikes Optional solid state relays are rated at 2 Amp 12 280 VAC 600Vpk Relay wiring should be kept separate from low level signal wiring 1 3 3 Ambient Temperature Range 25 to 50 degrees C 1 3 4 Humidity Range 0 to 9096 Non Condensing 1 3 5 Altitude Recommended up to 2000 meters Revision 1 08 08 20 2 Channel Controller 1 3 6 Housings Installation Categories e NEMA 4X wall mount DIV 2 Groups A B C D Category and pollution degree 3 NEMA 4X IP66 e NEMA 7 wall mount for DIV 1 amp 2 Groups B C D includes o ring in door to satisfy NEMA 4 rating Includes standard non intrusive magnetic keypad 1 3 7 Approvals CSA 22 2 No 1010 1 and ISA 582 02 e CSA 22 2 No 152 for combustibles mA input only 4 UL 1604 C22 2 No 213 Div 2 Groups A B C D e EN55011 a
38. the event repairs or modifications are made by persons other than its own authorized personnel unless such work is authorized in writing by Honeywell Analytics Honeywell Analytics reserves the right to change this policy at any time Contact Honeywell Analytics for the most current warranty information Revision 1 07 08 Find out more www honeywellanalytics com Customer business center Americas Honeywell Analytics 404 Barclay Boulevard Lincolnshire IL 60069 Tel 1 847 955 8200 Toll free 1 800 538 0363 Fax 41 847 955 8208 detectgas honeywell com Europe Middle Easst and Africa Life Safety Distribution AG Wilstrasse 11 U11 CH 8610 Uster Switzerland Tel 41 0 1 943 4300 Fax 41 0 1 943 4398 Asia Pacific Honeywell Analytics 508 Kolon Science Valley I 187 10 Guro Dong Guro Gu Seoul 152 050 Korea Tel 82 2 2025 0300 Fax 82 2 2025 029 anapitics ap honeywell com gasdetection honeywell com Europe Middle Easst and Africa ha global service honeywell com www honeywell com Please Note While every effort has been made to ensure accuracy in this publication no responsibility can be accepted for errors or omissions Data may change as well as legislation and you are strongly advised to obtain copies of the most recently issued regulations standards and guidelines This publication is not intended to form the basis of a contract Honeywell 1998 0730 Rev 1
39. troller Honeywell HA20 Technical Manual 3 10 Revision 1 08 08 20 2 Channel Controller Honeywell 4 Enclosures HA20 Technical Manual 4 1 Revision 1 06 08 20 2 Channel Controller 4 Enclosures 4 1 HA20N4 NEMA 4X Wall Mount Enclosure The HA20 01 wall mount NEMA 4X enclosure is shown in Figure 4 1 Non metallic enclosures are not grounded by metal conduit For internal ground points to be grounded to earth the TB5 GND terminal must have a proper earth ground connection see Figure 3 2 A CAUTION Nonmetallic enclosure does not provide grounding between conduit connections Use grounding type bushings and jumper wires All field wiring must have insulation suitable for at least 250V 347 5 pe n 930 3 94 f DG o a 092 3 4 Clear Hole Conduit Entry Install terminal cover as shown with beval up to prevent leakage Bottom Conduit Entry Option Shown O O Shipped with cover hold down screws 2 places Keep installed if hazardous voltages are present inside the enclosure 8 92 Figure 4 1 NEMA 4X Wall Mount Enclosure HA20 Technical Manual Honeywell 4 2 HA20XP NEMA 7 Explosion Proof Wall Mount Enclosure The HA20XP shown in Figure 4 2 is an aluminum NEMA 7 wal
40. try Menu The Channel x SETUP menu shown in Figure 2 3 allows configuration of all variables for the selected channel These are Alarm 1 Alarm 2 Alarm 3 Configure and CAL Setup p gt Channel 1 SETUP 4 Alarm 1 Alarm 2 1219 5 onf igure CAL Setur Figure 2 3 Channel Setup Entry Menu 2 2 3 Alarm 1 Alarm 2 Alarm 3 Set Up Menus Alarm 1 2 and 3 have identical menus The only difference is that 1 LED indicators are yellow while A2 s and are red Typical applications often have A1 set at a WARN level A2 at a HIGH level and at a negative FAULT level However it is important to understand there is no functional difference between A1 A2 and therefore only one is shown in Figure 2 4 Revision 1 07 08 20 2 Channel Controller Alarm 1 Setur RB Set Point 28 Delay Delas Bn Low Trir Latching Figure 2 4 Alarm Setup Menu Set Point is entered in engineering units and determines the value at which the alarm trips For example if a channel monitors 0 50 ppm H S and the desired alarm level is 10 ppm the correct entry is 10 00 A one percent deadband prevents alarm chatter This means after tripping an alarm the input must move at least 1 of full scale back through the setpoint for the alarm to auto reset The ON Delay OFF Delay entries allow ON and OFF time delays affecting how long the trip point must be surpassed before an alarm event transition o
41. u by scrolling with Up down arrows and then Edit to enter each menu Figure 2 1 illustrates the menu tree configuration with Channel variables on the left and System variables on the right Channel variables affect only the specific channel selected while System variables are related to features not specific to either channel HA20 Technical Manual 2 2 Blind Mode Screen Ch Trend Screen Main Data Screen 7 08 34 22 02 19 03 Rlarm Status HZS 29 29 Em Channel 2 ct 02 Press Edit Ho neywell Relay 2 x 8 Select press Edit SETUP Select ltem press Edit unen 5 DEDE Select press Edit Press Next to reverse direction lt Channel Setup Menus Ch 1 CAL SETUP 9 8 WeZero Gas Si E i Select Item press Edit shown since identical to Alarm 2 amp 3 menus not Alarm 1 Note Figure 2 1 Menu Tree HA20 Dual Channel Controller Menu Tree Revision 1 07 08 20 2 Channel Controller 2 2 Changing Menu Variables Using The Keypad Magnetic Keypad Keypad buttons behind door Figure 2 1 Keypad Upon entering a menu a pointer controlled by
42. ufactured to the latest internationally recognized standards by Honeywell Analytics under a Quality Management System that is certified to ISO 9001 As such this instrument is warranted under proper use to the original end user purchaser against any defects in materials or workmanship related failures for a period of 12 months from the date of first turn on or 18 months from delivery from Honeywell Analytics to the customer whichever is less During this period Honeywell Analytics will repair or replace defective parts on an exchange basis F O B to approved service centers on a global basis This warranty does not cover damage caused by accident abuse abnormal operating conditions or extreme poisoning of the sensor cartridge Defective equipment must be returned to Honeywell Analytics for repair Before returning materials for repair or replacement the Customer must obtain a Service Event Number SE by contacting Honeywell Analytics Service in advance include a detailed report stating the nature of the defect and ship the equipment prepaid to Honeywell Analytics factory If no detail report is included Honeywell Analytics reserves the right to charge an investigative fee prices available upon request before any repair or replacement is performed Returned goods must detail the Service Event Number SE clearly on the package Service in the field or at the customer s premises is not covered under these warranty terms Time and
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