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User Manual - Far West Technology, Inc.

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3. Any of the alarms that are setup with a long interval are designed to overcome type 1 noise because they average the readings over several seconds An alarm that is set for a short interval but high value tripset will capture high level alarms quickly We recommend backing up a fastrip alarm 4 setting with a regular alarm The average that is used for the fastrip will eventually catch up to the fastrip level This will cause the alarm to cease alarming even though there may be radiation MODEL 2030 INSTRUCTION MANUAL PAGE 15 XRAY MONITOR Health Physics Instruments VIII RS232 SERIAL OUTPUT Every second the display sends out a packet of data via the RS232 serial output The packet is the data at the time it was sent and should look like 000001 0100 0020 0040 0020 00 02 00 00 02 00 0000 the data from left to right is 1 XXXXXX 6 hex digits Counts per second from detector The same value as on the display 2 XXXX 2 hex digits Alarm level for alarm 1 3 XXXX 2 hex digits Alarm level for alarm 2 4 XXXX 2 hex digits Alarm level for alarm 3 5 XXXX 2 hex digits Alarm level for alarm 4 Double space 6 XX XX 2 hex digits separated by a space The first is the delay Thesecond is the pause Both are for alarm 1 Double space 7 XX XX 2 hex digits separated by a space The first is the delay The second is the pause Both are for alarm 2 Double space 8 XX XX 2 hex digits separated by a space The first is the delay The second
4. If it is set to a high value it only delays normal operation longer than necessary FAIL TIME If the display does not receive a count from the detector it will show a failure in the display The fail time is the number of seconds after the last count before the instrument will show FAILURE in the display If the fail time is set to 60 seconds it will take 60 seconds after the detector fails before the instrument will display FAILURE The factory setting is 255 which is the maximum value The detector should send a count out at least every 2 seconds if it is operating normally TURNING THE ALARMS OFF Each of the alarms can be turned off To turn off alarm 1 2 or 3 set the interval to zero To turn off alarm 4 set the tripset to zero MODEL 2030 INSTRUCTION MANUAL PAGE 14 XRAY MONITOR Health Physics Instruments Vil CALIBRATION The instrument has no calibration adjustments The unit of counts per second is derived from a crystal controlled clock This instrument is not designed to be calibrated to a known radiation level however it is a good idea to test it with radiation If you want to know the sensitivity of you instrument we suggest you calibrate it with radiation at about 10 mR h The counts per second figure that you get around 250 CPS mR h will give you a good idea of the sensitivity of the instrument and indicate where to set the tripset The maximum rate is about 6000 CPS Adjusting the sensitivity of the instrument can be
5. 00 M10 12 6 Int Star Lockwashers 2030 00 11 12 6 32 Screws X 2030 00 M12 4 4 40 Screws Pan X Nylon 2030 00 M13 2 4 40 Screws Pan X 2030 00 M14 2 4 Int Star Lockwasher 2030 00 M15 2 4 40 small pattern Nut machine 2030 00 M16 2 3 8 24 x 3 8 Thumbscrew 2030 00 M17 2 46 Screw pan Nylon 2030 00 M18 2 Int star Lockwasher 2030 00 M19 4 6 32 x 3 8 Screw Pan X 2030 00 M20 4 6 Nylon Washser 2030 00 1 2510 6002UB 10 Pin Low Profile Header 3M Digikey 2030 00 10 Socket Digikey 2030 00 P2A 2510 6002UB 10 Pin Low Profile Header 3M Digikey 2030 00 P2B 10 Pin Socket Connector CW Ind Digikey 2030 00 5 12950 4 4 Pin Header Terminal OST Digikey 2030 00 P3B EDZ950 4 Pin Terminal Plug OST Digikey 2030 00 01 2N4123 NPN Transistor National 2030 00 Q2 2N2222 NPN Transistor 2030 00 R01 0 5 Resistor 2030 00 R02 OK 5 CF Resistor 2030 00 R03 OK 5 CF Resistor 2030 00 R04 00 0 1 Resistor 2030 00 R05 49 9K 1 MF Resistor 2030 00 R06 OK 5 CF Resistor 2030 00 R07 OK 5 CF Resistor 2030 00 R08 00 0 1 MF Resistor 2030 00 R09 29 9 1 Resistor 2030 00 R10 00 0K 1 MF Resistor 2030 00 R11 49 9K 1 MF Resistor 2030 00 R12 00 5 CF Resistor 2030 00 R13 K 5 CF Resistor 2030 00 R14 00 0K 1 MF Resistor 2030 00 R15 49 9 1 Resistor 2030 00 R16 0 5 Resistor 2030 00 R18 00 0 1 Resistor 2030 00 R19 49 9 1 Resistor 2030 00 R20 0
6. 011010 71 101010 235 01011 37 25 0010010 108 6 01101100 72 10101100 236 11101100 38 26 00100110 109 60 0110110 73 AD 1010110 237 ED 01101 39 27 001001 110 6 01101110 74 10101110 238 01110 20 28 00101000 111 6 011011 75 101011 239 01111 41 29 0010100 112 70 0 0000 76 BO 10110000 240 FO 10000 42 2 00101010 13 710 000 77 1 1011000 241 1 10001 43 2B 001010 114 720 0010 78 B2 10110010 242 2 10010 44 2 00101100 11 57 13 40 00 79 B3 101100 243 10011 45 20 0010110 116 74 0 0100 80 B4 10110100 244 4 10100 46 2 00101110 24 25 40 010 81 5 1011010 245 5 10101 47 2 001011 118 76 0 0110 82 6 10110110 246 F6 10110 48 30 00110000 119 77 0 01 83 7 101101 247 10111 49 31 0011000 20 78 0 1000 84 B8 10111000 248 F8 11000 50 32 00110010 21 79 0 100 85 9 1011100 249 F9 11001 51 33 001100 22 7 0 1010 86 10111010 250 11010 52 34 00110100 23 7B 0 10 87 101110 251 11011 53 35 00110101 24 7 0 1100 88 10111100 252 11111100 54 36 00110110 25 7D 0 110 89 BD 1011110 253 FD 11101 55 37 0011011 26 7 0 1110 90 10111110 254 11110 56 38 00111000 27 0 11 91 101111 255 11111 57 39 0011100 58 00111010 59 3B 001110 60 3 00111100 61 30 0011110 62 00111110 63 001111 Model 2030 INSTRUCTION MANUAL PAGE21 Xray Monitor Health Physics Instruments DESIGN QUAN PART NO DESCRIPTION MFG SUPPLIER
7. DRAWING col 0 1 uF Capacitor Mono 2030 00 02 Teflon Capacitor HPI 2030 00 03 Teflon Capacitor HPI 2030 00 15 Capacitor Mono 2030 00 c04 15 pF Capacitor Mono 2030 00 08 0 1 uF Capacitor Mono 2030 00 C13 0 001 uF Capacitor Mono 2030 00 c14 1 uF 100 VDC Capacitor Electro 2030 00 C15 0 01 uF Capacitor Mono 2030 00 C16 33 uF 16 VDC Capacitor Tantalum 2030 00 CIJ 33 uF 16 VDC Capacitor Tantalum 2030 00 C18 0 1 uF Capacitor Mono 2030 00 19 470 uF 25 VDC Capacitor Electro 2030 00 C20 33 uF 16 VDC Capacitor Tantalum 2030 00 21 0 1 uF Capacitor Mono 2030 00 623 0 1 uF Capacitor Mono 2030 00 24 0 1 uF Capacitor Mono 2030 00 25 0 1 uF Capacitor Mono 2030 00 C27 0 1 uF Capacitor Mono 2030 00 C28 0 1 uF Capacitor Mono 2030 00 D2 FR107 1000 Volt Diode Fast Recovery Digikey 2030 00 D3 1N4004 Diode 2030 00 HV1 22 11 2032 3 pin lock Header Molex Digikey 2030 00 HV1A 22 11 3037 3 pin lock Crimp Housing Molex Digikey 2030 00 11 330 Inductor MOUSER 2030 00 M01 2030 002 BASE HPI Neal Feay 2030 00 M02 2030 004 Mounting Bracker HPI Neal Feay 2030 00 M02 2030 003 Cover HPI Neal Feay 2030 00 M03 2030 005 Detector Base HPI Neal Feay 2030 00 M04 2030 007 Detector Shell HPI Neal Feay 2030 00 M05 Modified Part Case Electrometer HPI Rose Enclo 2030 00 M06 UG 1094 U Long BNC Bulkhead W 0 Amphenol Digikey 2030 00 M07 Center Electrode HPI 2030 00 M08 4 6 32 1 Spacer Hex 2030 00 09 4 6 Spacer Round 2030
8. Instruments Pin 17 is ground Pin 18 is ground and is used for the RS232 485 Pin 19 is TX part of RS232 485 Pin 20 is RX part of RS232 485 CONTACT CLOSURE FOR EXTERNAL ALARM The contact closure from the internal relay is on pins 10 11 and 12 Normally an external alarm would be connected between pin 11 and 12 This alarm operates in the fail safe mode you were to remove power to the display the relay would open closing contacts on pin 11 and 12 Contacts rated 0 5 A 115 VAC 1 A 24 VDG resistive REMOTE RELAY DRIVER If you do not want to use the internal relay you can install an external 12 volt relay between pin 13 and 14 Remove internal relay before connecting an external relay The relay should not draw more than 300 mR EXTRA DRIVERS Extra drivers are available on pins 15 and 16 PIN 15 driver duplicates the Remote Relay Driver but is not fail safe Pin 16 is programmable See section on setup Both are open collector drivers that need their load between ground and either 5 volts or 12 volts RS232 485 An 5232 output is available between pin 18 ground and pin 19 TX The status is output every second Pin 20 RX is not supported in this version nor is the RS485 MODEL 2030 XRAY MONITOR INSTRUCTION MANUAL RESET R
9. done in several ways The instrument should be adjusted to as low a setting as possible but with no false alarms The primary problem with setting it too low is noise from the detector Temperature shock and ambient electrical noise can cause the level to fluctuate Inaccuracies in the DAC and other parts of the circuit can also cause noise The noise can be of two types 1 Transient noise This type of noise typically comes from the electrometer and from shock It is short and typically lasts 1 to 2 seconds 2 Long term noise This type of noise will cause the output to rise with no radiation This type of noise is usually caused by fast temperature changes and high ambient temperature The alarms should be setup to trip as close to 0 as possible The factory setting are conservative They are designed to be the same for all units You may want to alter some settings or all of them You can approach this in several ways but we suggest that you make one alarm more sensitive and then run it awhile and see if you get any false trips This way you can keep track of which alarm may be alarming on noise Alternatively you could hook up a computer to log the data on the RS 232 and look for the highest noise This will give you a figure that is averaged for 1 second but it will still give you an idea of the noise in the instrument The different alarms are designed to overcome some of the noise The fastrip alarm 4 is designed to overcome type 2 noise
10. g Tz a 28 oc weer veso z x 252 sdi 4 1 ZHN 98 8 2 5 20 4 8 PSS 8 0 8 4 gt 6 5 Ka T aL Se 5 IZANVHONOI IA 25 Health Physics Instruments INSTRUCTION MANUAL MODEL 2030 XRAY MONITOR 2 0
11. is the pause Both are for alarm 3 Double space 9 2 hex digits separated by space The first is the delay The second is the pause Both are for alarm 4 Double space 10 XX 1 hex digit This is the fail This starts as the fail number and counts down to zero At zero it shows FAILURE in the display 12 XX 1 hex digit This is the status byte See below for a description STATUS BYTE The status byte consists of 8 bits The bits are represented as follows Bit 0 is the LSB and bit 7 is the MSB Only bits 0 thru 4 are used BIT FUNCTION 0 1 trip for alarm 1 1 0 trip 1 trip for alarm 2 2 O no trip 1 trip for alarm 3 trip 1 trip for alarm 4 4 fail 1 fail There is an alternate short serial mode for testing See the section on maintenance IX CIRCUIT DESCRIPTION MODEL 2030 INSTRUCTION MANUAL PAGE 16 XRAY MONITOR Health Physics Instruments DISPLAY The display is controlled by the microprocessor U5 U1 is an address latch that separates the address and data for the EPROM U7 U4 is the LCD display U2 is the EEPROM that stores the variables U8 is the address decoder for U4 U11 is a shift register that shifts data in and has a parallel out It is used though the buffer U10 to drive the buzzer and the front panel LEDs The relay is connected directly to the microprocessor through U10 G and U8 D This is done to make the relay fail safe If the microprocessor is reset either by powe
12. s on a row is actually a binary number This number is converted to decimal and that is the decimal number For example the first line of the table below shows alarmi 1 1001 If you change the to zeros it becomes the number 10001001 This is a binary number To find its decimal equivalent look at the binary to decimal conversion table in the appendix Look at the third binary column from the left and about 10 numbers down You should find the number 10001001 Next to it is the number 137 This is the decimal conversion 10001001 in binary is 137 in decimal This decimal number is the number you enter into the alarm setup The following is a table that shows the normal operation of the instrument as it is setup using the factory presets RELAY 7516 TP4 TP5 REDLED YELLOW GREEN BEEPER DECIMAL 22 1 1 0 1 e Setting does not matter for normal operation We suggest each of these be set to 0 The decimal calculations assume that the items marked are set to 0 START TIME When the instrument is turned on it waits before going into normal operation This gives time for the instrument to stabilize and to gather an average for alarm 4 The display shows the seconds counting down until normal operation The start time is the starting number for the countdown It can also be thought of as the start delay If it is set to a low number the detector may not stabilize in time for the alarms
13. strip When TS16 is set to 1 then pin 16 on the terminal strip is low This is only used for external control of additional relays or devices and is not used in normal operation of the monitor TP4 This is an internal test pin on the circuit board When TP4 is set to 1 then the testpoint 4 on the display circuit board is high This pin has no normal function and is not used in normal operation of the monitor TP5 This is an internal test pin on the circuit board When 5 is set to 1 then the testpoint 5 on the display circuit board is high This pin has no normal function and is not used in normal operation of the instrument RED LED This is the front panel red LED It is marked TRIP HIGH on the front panel If the RED LED is set to 1 then the LED is on YELLOW LED This is the front panel yellow LED It is marked TRIP LOW on the front panel If the YELLOW LED is set to 1 then the LED is on MODEL 2030 INSTRUCTION MANUAL PAGE 13 XRAY MONITOR Health Physics Instruments GREEN LED This is the front panel green LED It is marked OK the front panel If the GREEN LED is set to 1 then the LED is on BUZZER This is the front panel buzzer If BUZZER is set to 1 then the buzzer is turned on and emits a loud continuous beep DECIMAL The following table is a compilation of the settings of all the parts of the alarm setup The decimal is the value that is calculated from the results of the table The line of one s and zero
14. the mode button will cycle the display through all of the adjustments After the last adjustment the program will go to the same display as at turn on Remember you can cycle right through to the setup from the turn on display by again pushing down the MODE button until the setup menu appears Most of the settings are saved in EEPROM after the last item which is the fail safe time consequently if you are part way through changing the settings and decide you don t want the new values hold down the left hand button until the turn on menu appears then quickly release the button You can also turn power off then back on or if the front panel is removed push the reset button The following is a list of the parameters in the order that they are seen on the display along with the factory presets The letters A2 etc refer to alarm 1 alarm 2 etc DELAY 2 is the delay value for alarm 2 Presets 255 TRIPSET 1 100 TRIPSET A2 20 TRIPSET 40 TRIPSETA4 20 1 2 2 10 4 2 INTERVAL A1 10 INTERVAL A2 2 INTERVAL 10 PAUSE 1 10 PAUSE 2 10 PAUSE 10 PAUSE 4 10 Alm Setup 137 Setup 2 137 Setup 4 Setup 4 137 Setup 2 Start Time 100 Fail Time 255 Please read the section on the alarms to become familiar with the action of the alarms All of the parameters are reviewed below You must cycle through all of the parameters to get back to a
15. voltage is 1 0 volts The reading will not change by just adjusting R39 Pushing the reset button is the only way the reading will change DESICCANT The desiccant is inside the electrometer housing in the detector box It only needs to be replaced if the output is leaking excessively TESTING DISPLAY The display alarms and annunciators can be tested by pushing down the center button when the display is counting down the startup time Startup time can be initiated by pushing the reset button on the display if the entire front panel is removed or by interrupting the power When the center button is held down the instrument will cycle through 9 different annunciators in the following order Red LED Yellow LED Green LED Front panel buzzer Relay operated fail safe TS15 TS16 TP4 TP5 The cycle will then repeat as long as the button is held down The serial data line can be shortened to only the current CPS from the detector and the status byte This is handy for data logging to check on the levels The change is only temporary and the long data line will return after the instrument is reset or the center button is pushed without any of the other buttons To enter the short serial data line mode push down the right hand button on the control panel and hold it down Now momentarily push the center button The watchdog timer can be checked by holding down the left hand button and holding it down The display will alternate between the turn
16. 0 11 0B 00001011 82 52 01010010 46 92 10010010 210 D2 010010 12 0 00001100 83 53 010100 47 93 100100 211 D3 010011 13 00 00001101 84 54 01010100 48 94 10010100 212 D4 010100 14 00001110 85 55 0101010 49 95 1001010 213 D5 01010 15 OF 00001111 86 56 01010110 50 96 10010110 214 D6 010110 16 10 00010000 87 57 010101 51 97 100101 215 D7 0101 17 11 00010001 88 58 01011000 52 98 10011000 216 D8 011000 18 12 00010010 89 59 0101100 53 99 1001100 217 D9 01100 19 13 00010011 90 5A 01011010 54 9A 10011010 218 DA 011010 20 14 00010100 91 5B 01011011 55 9B 100110 219 DB 011011 21 15 00010101 92 5C 01011100 56 9C 10011100 220 DC 11011100 22 16 00010110 93 5D 0101110 57 9D 1001110 221 DD 01110 23 17 00010111 94 5E 01011110 58 9 10011110 222 DE 011110 24 18 00011000 95 SF 010111 59 9F 100111 223 DF 011111 25 19 00011001 96 60 01100000 60 AO 10100000 224 EO 00000 26 1A 00011010 97 61 0110000 61 Al 1010000 225 El 00001 27 1B 00011011 98 62 01100010 62 A2 10100010 226 E2 00010 28 1 00011100 99 63 011000 63 A3 101000 227 E3 00011 39 1D 00011101 100 64 01100100 64 A4 10100100 228 E4 00100 30 1E 00011110 101 65 0110010 65 5 1010010 229 5 00101 31 1 00011111 102 66 01100110 66 6 10100110 230 6 00110 32 20 00100000 103 67 01100 67 A7 101001 231 7 00111 33 21 0010000 104 68 01101000 68 A8 10101000 232 8 01000 34 22 00100010 105 69 0110100 69 9 1010100 233 9 01001 35 23 001000 106 6 01101010 70 10101010 234 01010 36 24 00100100 107 6B
17. 0 0 1 Resistor 2030 00 R21 49 9K 1 MF Resistor 2030 00 R22 00 5 CF Resistor 2030 00 MODEL 2030 INSTRUCTION MANUAL PAGE 22 XRAY MONITOR Health Physics Instruments DESIGN QUAN PART NO TYPE DESCRIPTION MFG SUPPLIER DRAWING R23 OK 5 CF Resistor 2030 00 R24 00 0 1 MF Resistor 2030 00 R25 49 9 1 Resistor 2030 00 R26 00 5 CF Resistor 2030 00 R27 00 0 1 MF Resistor 2030 00 R28 00 0 1 MF Resistor 2030 00 R29 00 0 1 MF Resistor 2030 00 R30 49 9K 1 MF Resistor 2030 00 R31 00 0K 1 MF Resistor 2030 00 R32 49 9 1 Resistor 2030 00 R33 00 0 1 MF Resistor 2030 00 R34 49 9 1 Resistor 2030 00 R35 00 0 1 Resistor 2030 00 R36 49 9K 1 Resistor 2030 00 R39 00 3 8 top Trimmer 2030 00 R41 3K 5 CF Resistor 2030 00 R42 K 5 CF Resistor 2030 00 R43 OK 5 CF Resistor 2030 00 R44 00 5 Resistor 2030 00 R45 OK 5 CF Resistor 2030 00 R46 0 55 Resistor 2030 00 R49 OK 5 CF Resistor 2030 00 51 05205 Min Switch Pushbutton Panasonic Digikey 2030 00 52 05205 Min Switch Pushbutton Panasonic Digikey 2030 00 U01 LMC6041AIN Single Op Amp National Digikey 2030 00 002 4053 3 SPDT Switch Analog 2030 00 U03 TLC352CP 3 x SPDT Switch Analog 2030 00 004 PIC16C55 HS P 8 bit RISC OTP Microprocessor Microchip 2030 00 008 DS75176BN RS485 Driver Rcvr National 2030 00 009 4011 Quad Gate 2030 00 U10 ICL7660SCPA Voltage Converter Harris 2030 00 0
18. 030 INSTRUCTION MANUAL PAGE 5 XRAY MONITOR Health Physics Instruments DISPLAY CONNECTIONS DESCRIPTION WIRE COLOR To Detector 1 Power 2 o pemr PO Transformer PO Transformer 5 5VDC si External Use Use s F Detector shield ose e ro tera mese era ar e feo tera Atam Bo ewo ew u eao O e B eao w emaon w fom pe vo 2 x T A summary of the pins on the terminal strip Pin 1 is a diode isolated 12 V input for battery backup Pin 2 is the ground for battery backup Pin 3 is Ground for the wall transformer Pin 4 the 12 VDC input from the wall transformer Pin 5 is a 5 VDC output available for any need Max 100 mA from this output Pin 6 is the ground for the cable to the detector Pin 7 is the 12 VDC output for the cable to the detector Pin 8 is the Data from the detector Itis part of the cable to the detector Pin 9 is the Data from the detector Itis part of the cable to the detector Pin 10 is the NC contact from the Relay Pin 11 is the center pole of the relay contact Pin 12 is the NO contact from the Relay The relay is operated in the fail safe mode Pin 13 12VDC output available for use Pin 14 is a relay driver Pin 15 is an extra relay driver Pin 16 is an extra output MODEL 2030 INSTRUCTION MANUAL PAGE 6 XRAY MONITOR Health Physics
19. 11 7805 5 VDC Voltage Regulator 2030 00 1 8 00 MHZ 49 Crystal CIS DigiKey 2030 00 DISPLAY PARTS LIST DESIGN QUAN PART DESCRIPTION MFG SUPPLIER DRAWING BZ1 37 11 Panasonic Digikey 6012 00 col 22 pF Calpacitor Mono 6012 00 02 22 Calpacitor Mono 6012 00 c03 22 uF 10 VDC Capacitor Electro 6012 00 c04 22 uF 10 VDC Capacitor Electro 6012 00 05 22 uF 10 VDC Capacitor Flectro 6012 00 C06 22 uF 10 VDC Capacitor Electro 6012 00 100 uF 25 VDC Capacitor Electro 6012 00 12 10 uF 10 VDC Capacitor Tantalum 6012 00 13 10 uF 10 VDC Capacitor Tantalum 6012 00 14 10 uF 10 VDC Capacitor Tantalum 6012 00 CX1 0 1 uF Capacitor Mono 6012 00 CX2 0 1 uF Capacitor Mono 6012 00 CX3 0 1 uF Capacitor Mono 6012 00 0 1 Capacitor Mono 6012 001 D1 RED Tl 9 LED 6012 00 D2 YELLOW 1 LED 6012 00 D3 GREEN Tl 9 LED 6012 00 D4 1N4004 DIODE 6012 00 D5 1N4004 DIODE 6012 00 K1 G2E 184PM US DC12 12V SPDT Relay Dip Omron Digikey 6012 00 P1A EDSTLZ950 20 20 Position Header Terminal OST Digikey 6012 00 P1B 2950 18 18 Position Plug Terminal OST Digikey 6012 00 1 02950 2 2 Position Plug Terminal OST Digikey 6012 00 R1 10 1 Turn Trimmer 6012 00 R2 10 x 9 Resistor Network 6012 00 R5 470 5 1 4W Resistor 6012 00 R6 470 5 1 4W Resistor 6012 00 R7 470 5 1 4W Resistor 6012 00 51 Switch Pushbutton Panasonic Digikey 6012 00 5
20. 2 Switch Pushbutton Panasonic Digikey 6012 00 53 Switch Pushbutton Panasonic Digikey 6012 00 54 Switch Pushbutton Panasonic Digikey 6012 00 U01 74HC573 8 bit Latch 6012 00 002 27LC02 EEPROM Microchip Digikey 6012 00 DESIGN QUAN PART NO TYPE DESCRIPTION SUPPLIFR DRAWING 003 MAX813LCPA Supervisor Micro Maxim Digikey 6012 00 004 015 16265 1 1 004 2 16 Alphanumeric LCD Display VARITRONIX Digikey 6012 00 005 P80C32GBPN 8 bit Microprocessor Signetics 6012 00 MODEL 2030 XRAY MONITOR 006 007 008 009 010 011 014 015 016 1 M01 M02 M03 M04 M05 M06 M07 M08 M09 M10 M11 M12 M13 M14 M15 M16 M17 N F gt N N N Q gt INSTRUCTION MANUAL 4013B 27C256 74HCOO MAX232CPE DS2003N 4094B DS75176BN 7805 ICL7660CSPA 6012 002 6012 003 6012 004 2030 004 Dual D type 32K x 8 Darlington 8 bit RS485 5 Volt 5 Volt HC 49 7 3728 MHz 4 6 32 6 32 6 Int Star 4 x 4 40 x 4 Int Star 62 32136 1 6 32 3 8 24 x 3 8 Lexan 6 Nylon 6 32 378 Flip Flop EPROM QUAD NAND RS232 Driver Maxim Drivers National Shift Register Driver Revr National Voltage Regulator Voltage Inverter Harris Crystal 5 BASE COVER HPI COVER SHIELD 1 Spacer Hex Spacer Screw Pan X Locwasher Spacer Nylon Screw Pan X Lockwasher Spacer Hex Screw FH X Thumb
21. 3 It does this by decreasing the level of the DAC as the integrator moves negative Every time it decreases the DAC by 1 bit it pulses the output through pin 11 on the microprocessor When the DAC reaches 3 volts the microprocessor initiates a reset If the output of the electrometer moves positive from bias current leakages then the watchdog timer inside the microprocessor will time out and this will cause a reset and a pulse out The integrator is reset with Q1 and U2 A pulse from the microprocessor on pin 7 8 will turn on Q1 and reset the integrator A Compensation capacitor C5 biases the output of the integrator after reset to 1 volt This is adjusted through R39 U4 is a single chip RISC microprocessor It has a built in EPROM and watchdog timer U5 is the EEPROM for U4 The output pulses from U4 go to U7 and U8 which are RS232 and RS485 drivers The high voltage power supply starts with U9 This is an oscillator with a short pulse width and a low duty cycle The pulses turn on Q2 which makes the inductor L1 ring The flyback voltage from L1 is rectified by D2 and filtered by C14 011 is a3 terminal voltage regulator U10 is a negative voltage converter for the electrometer The cable between the detector and the readout carries 12 volts and the counts The counts are digital using a RS485 driver in the detector and a RS485 receiver in the readout MODIFICATIONS Not all of the parts on the circuit board and schematic are included in this m
22. 4 wire connection between the two Each unit has a terminal strip for connections The terminal strip unplugs from the circuit board to permit removal of the units without unscrewing the cable The detector and display can be remoted up to 100 feet We recommend Belden 8723 This is a 2 pair shielded cable For short distances any 4 conductor cable will work For longer distances or if it is used in a noisy environment we recommend a shielded cable DETECTOR The detector is installed by first mounting the mounting bracket The detector unit may be mounted in any orientation It is best if the side of the detector faces the radiation source The detector sets into the mounting bracket and is held in place with the two thumbscrews Remove the cover of the detector by removing the four screws on the sides of the box On one edge of the circuit board is a terminal strip Push the connector with the four wires of the 4 conductor cable onto the terminal strip according to figure 1 The cable leads out the side of the enclosure near the terminal strip Replace the cover This completes the installation of the detector MODEL 2030 INSTRUCTION MANUAL PAGE 3 XRAY MONITOR Health Physics Instruments DETECTOR CONNECTIONS DESCRIPTION WIRE COLOR 412 12 VDC Input External Power Power S oma feen oo 5 Do connect the shield for the cable to display at this end The de
23. EEN BEEPER DECIMAL eT Alarm 1 2 3 4 ENTER THE DECIMAL NUMBERS ABOVE INTO THE SETUP BOXES BELOW SUMMARY OF SETTINGS ALARM 1 ALARM 2 ALARM 3 ALARM 4 START TIME FAIL TIME Model 2030 INSTRUCTION MANUAL PAGE20 Xray Monitor Health Physics Instruments 64 40 01000000 28 80 10000000 192 000000 65 41 0100000 29 81 1000000 193 Cl 000001 APPENDIX II 66 42 01000010 30 82 10000010 194 C2 000010 67 43 010000 31 83 100000 1 95 000011 DECIMAL HEX BINARY 68 44 01000100 32 84 10000100 196 C4 000100 CONVERSION TABLE 69 45 0100010 33 85 1000010 19 C5 000101 DEC 70 46 01000110 34 86 10000110 198 000110 0 00 00000000 71 47 010001 35 87 100001 199 7 000111 1 01 00000001 72 48 01001000 36 88 10001000 200 8 001000 2 02 00000010 73 49 0100100 37 89 1000100 201 9 001001 3 03 00000011 74 4 01001010 38 8 10001010 202 001010 4 04 00000100 75 48 010010 39 100010 203 001011 5 05 00000101 76 4 01001100 40 10001100 204 11001100 6 06 00000110 77 40 0100110 41 8D 1000110 205 CD 001101 7 07 00000111 78 4E 01001110 42 10001110 206 CE 001110 8 08 00001000 79 4F 010011 43 8F 100011 207 CF 001111 9 09 00001001 80 50 01010000 44 90 10010000 208 DO 010000 10 0 00001010 81 51 0101000 45 91 1001000 209 D1 0100
24. ESET Oe i 00 R13 SIA R17 L1 c22 TP7 c29 USA 92 R41 R42 lt ua R44 0 R43 RA 848 TP oA 015 INT RST UA 3 or a 0 Reo R39 Or 1 d R39 02 ST a O GROUND DETECTOR CIRCUIT BOARD RESET au m oT gt R7 SOG me 0 2o 0 2 4 O 1 3 JPS 55 5 5 0 CONTRAST P SO ee sa s sk Pa h 2 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 MORE T 6012 001 REV SET AA CONTROL PANEL UP DISPLAY CIRCUIT BOARD FIGURE 2 CONTROLS ADJUSTMENT AND CONTROL PANEL PAGE 7 Health Physics In
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26. INSTRUCTION MANUAL MODEL 2030 XRAY MONITOR March 1995 Version 1 Health Physics Instruments 330 South Kellogg Ave Suite D Goleta CA 93117 805 967 8422 Division of Far West Technology MODEL 2030 INSTRUCTION MANUAL PAGE 1 XRAY MONITOR Health Physics Instruments TABLE OF CONTENTS L II INTRODUCTION OPERATION DETECTOR DETECTOR CONNECTIONS DISPLAY INTERFERENCE DISPLAY CONNECTIONS CONTACT CLOSURE FOR EXTERNAL ALARM REMOTE RELAY DRIVER EXTRA DRIVERS RS232 485 PUSH BUTTON SUMMARY PUSH BUTTON ACTION ALARM ACTIVATION 1 2 ALARM 3 ALARM 4 FAIL PRIORITY NO ALARM FACTORY SETTINGS 10 TRIP 10 VIEWING ALARMS 10 co co O Q PRESET 11 TRIPSET 11 DELAY 11 INTERVAL 12 PAUSE 12 ALM SETUP ALARM SETUP 12 BUZZER 13 DECIMAL 13 START TIME 13 FAIL TIME 13 TURNING THE ALARMS OFF 13 STATUS BYTE 15 BIT FUNCTION 15 DISPLAY 16 DETECTOR 16 MODIFICATIONS 16 SHORTCUTS 16 ADJUSTMENTS 17 DESICCANT 17 TESTING 17 DETECTOR PARTS LIST DISPLAY PARTS LIST USER TABLES 19 MODEL 2030 INSTRUCTION MANUAL PAGE 2 XRAY MONITOR Health Physics Instruments l INTRODUCTION The Model 2030 Xray monitor is designed to be used as an area monitor for low energy gamma or radiation It has several alarms and trip points that are user set The front panel display shows the radia
27. LARM ACTIVATION Alarms 1 2 and 3 work in the following manner When level rises above the tripset the delay counts down every interval period from its preprogrammed level When it reaches zero it turns the alarm on Until the alarms are activated if the level decreases below the tripset the delay will reset to its preprogrammed level This helps to keep noise from tripping the alarm The pause works like the delay in that it too counts down every second from its preprogrammed level once the level drops below the tripset When it reaches zero the alarms will be deactivated for that alarm If other alarms are still activated they will continue to activate their alarms If during the pause period the level rises above the tripset again even for one interval the pause will be reset to the preprogrammed level Thus once activated the alarms will stay on for at least the pause period following the last occurrence of a trip This helps to keep the alarms from cycling on and off in a marginal situation ALARM 1 This alarm has the highest priority It trips if the level rises above the tripset It is usually setup to trip the front panel Trip High LED and to activate the relay and beeper When tripped it will show ALARM 1 on the second line of the display It is usually setup with a long interval and a long delay to catch slowly moving levels ALARM 2 This alarm is identical to alarm 1 except it has the third lowest priority It is usually setup
28. TY The following table shows the priority of the alarms Alarm 1 has the highest priority which means its action will supersede the lower priority alarms Fail has the lowest priority because if the instrument fails it obviously has no counts and cannot set the other alarms Alarm 1 Highest Priority Alarm 4 Alarm 2 Alarm 3 Fail Lowest Priority NO ALARM MODEL 2030 INSTRUCTION MANUAL PAGE 10 XRAY MONITOR Health Physics Instruments No alarm is fixed with the OK LED turned on the relay and beeper turned off and the display showing OK FACTORY SETTINGS The following table lists the factory settings for the alarms TRIP Alarm Use Interval Delay Trip High TripLow OK LED RELAY BEEPER LED LED High Levels med Normal NoTip OFF OF ON OF OFF VIEWING ALARMS The delay and pause and trip status can be viewed on the 2 line of the LCD during normal operation by pushing the right hand push button under the front panel cover When the push button is down the status of the four alarms will be displayed on the LCD The four groups represent the alarms and are in the following order from left to right alarm 1 alarm 2 alarm 3 alarm 4 If an alarm is off its values will be displayed as blanks The first character of each group is an if the alarm is not tripped and a T if the alarm is tripped The next number is a 2 digit hex number of either the delay or the pause If the alarm is not tripped then it is t
29. bove the display can be used to abort the setup routine Just push it while in the setup routine You can also abort the setup routine by turning off the power or by holding down the left hand button until the LCD shows the startup display If you are testing the alarms and the noise is too loud put a piece of tape over the beeper It will not make it quiet but it will reduce the volume ADJUSTMENTS There are 2 adjustments one on the display and one on the detector The contrast is located on the control panel under the bottom cover on the front of the display Turning it will change the contrast of the display The best adjustment is to turn the control until the display is too dark then lighten it up to the point where the black squares around the characters just disappear The other adjustment is on the detector This adjustment sets the compensation capacitor A digital voltmeter will be needed for the measurements Connect the negative lead to TP3 ground and the positive lead to TP5 Electrometer output Make sure that the detector is not exposed to any radiation other than background radiation Push the reset button 51 If the voltmeter reads between 9 and 1 1 volts then the setting is OK You may push the reset button several times to make sure If the voltage is not between 9 and 1 1 volts then adjust R39 push the reset button and note the reading Keep repeating this sequence until the voltage is between 9 and 1 1 volts The target
30. e normal operation of the instrument To enter into the setup mode first access the control panel on the display by removing the bottom half of the front panel At any time push and hold down the left hand button on the control panel The display will change to the setup mode in about 1 second and show the first adjustment Release the button as soon as the setup menu appears The buttons on the control panel will do the following MODE left hand button will bring up the next item to adjust Repeatedly pushing the mode button will cycle through all the adjustments SET center button will move the arrow on the bottom line from one digit to the next Every time it is pushed the arrow will move to the next digit When it gets to the last digit it will jump to the first digit UP right hand button will increment the digit that the arrow points to Every time the button is pushed the digit will increase It only takes a few seconds of playing with the buttons to understand how they function MODEL 2030 INSTRUCTION MANUAL PAGE 11 XRAY MONITOR Health Physics Instruments Some adjustments have 3 digits and some have 4 All settings are decimal The adjustments with 3 digits have a maximum setting of 255 If they are set above 255 they will actually be set to 255 The bottom line of the display reminds you that they have a maximum value of 255 The four digit adjustments have no restrictions they can be adjusted from 0000 to 9999 Repeatedly pushing
31. er of seconds after the level has decreased below the trip set that the alarm will remain activated It is used to keep the alarm on longer than one interval It is usually set around 10 seconds It can be set longer but it usually is determined by how long the beeper or external alarm needs to be on to arouse someone that there is a problem ALM SETUP ALARM SETUP This is a number that is used to set the condition of the alarms indicators and external outputs There are 5 setups one for each of the four alarms and one for no alarms Below is a description of the alarms indicators and external outputs Each can be set to only two values 0 or 1 Following the descriptions is the method used to calculate the values and to determine the decimal value RELAY This controls the relay The contacts of the relay are brought out to the terminal strip TS When the relay is set to 0 TS10 and TS11 are shorted and TS11 and TS12 are open When the relay is 1 pin TS10 and TS11 are open and TS11 and TS12 are shorted The relay is operated in the fail safe mode OFF actually energizes the relay The signal that drives the relay is also routed to pin 14 on the terminal strip When the relay is set to 0 the pin is at 12 volts When the relay is set to 1 the pin is at 0 volts This setting also controls an extra external output on the terminal strip When the relay is set to 1 then pin 15 on the terminal strip is low TS16 This is pin 16 on the terminal
32. esting display for testing alarms INTERFERENCE Interference can cause annoying false alarms The most likely cause of interference is from noisy AC switches and lamp dimmers Plugging the 2030 into a line filter or the offending product into a line filter can help to eliminate the interference 4 Health Physics Instruments INSTRUCTION MANUAL MODEL 2030 XRAY MONITOR STVNINYSL OL 6 ANY AVIdSIG OL SNOILOANNOO O1931L OL LO3NNOO OL TANWd 0Y LNOO j 066181 ZY SUSY HEY ZHU OW 6 8 Z 9 S HL Z L G 06658121 94 SH YH EY ZH OW 6 8 2 9 S L ae 1SV31NOD 29 0 De VIO 7s x dyoga AV 1dSIG 1481 OL 8510 OL 4 8 ayog LINDYID 0123139 Figure 1 CONNECTION BETWEEN DISPLAY AND DETECTOR MODEL 2
33. he delay If the alarm is tripped then it is the pause This example will use alarm 3 Assume that the delay is preprogrammed to 5 and the delay is set to 8 Normally with no trip it would read 05 The indicates it is not tripped and the 05 is the delay If the level was brought higher than the tripset then the delay would start to count down every interval period until it reached zero This shows the delay period If the level were to decrease below the trip set during the time it was counting down then the delay would revert back to its preprogrammed level which is 5 When the delay reaches zero the indicator will change from to a T to indicate it has been tripped and the alarms will be set The display will then show T8 and will continue to show T8 until the level is brought down below the tripset When the level is brought below the tripset the pause will start counting down decreasing by 1 every second When it reaches zero the T will change back to a and the alarms will be set to the no alarm condition VI SETUP The instrument has been setup with its preset values These values are programmed into the EEPROM changeable permanent memory They can be changed by the user This section shows how to change the presets APPENDIX contains blank forms for recording your settings We recommend that you copy this page and use it to figure out your changes The setup mode is different from th
34. ight held down and Left pushed Change serial data to short format V ALARMS There are 5 alarms built into the instrument Allare based on count rate and all are adjustable both for count rate and for their control over the indicators and relays The only thing that is not adjustable is their priority Alarm 1 2 3 and 4 all trip if the count level exceeds the alarm setting The Fail alarm occurs if there are counts from the detector for a preset time Each alarm has different settings and each alarm is designed to look at a different part of the level Each alarm may be individually turned off if it is not needed Alarm 1 2 3 and 4 all have several settings associated with them The different parts of the settings are 1 Trip set This is the alarm level This setting is a 4 digit number that is compared with the level in counts interval from the detector 2 Interval This is the number of 1 seconds that the alarm uses for its time base It counts the counts from the detector for that time and compares it to the trip set 3 Delay This is the number of intervals that the alarm must be consecutively activated to actually trip the alarms 4 Pause This is the number of seconds after the level has decreased below the trip set that the alarm will remain activated It is used to keep the alarm on longer than one interval It is usually set around 10 seconds MODEL 2030 INSTRUCTION MANUAL PAGE 9 XRAY MONITOR Health Physics Instruments A
35. normal display PRESET Set this to 255 or above if you want all of the adjustments to be set to their factory preset values If you do not want the factory preset settings then push mode again to go to the next item TRIPSET This is the alarm level This setting is a 4 digit number of counts that are compared with the counts from the detector during the interval DELAY This is the number of intervals that the alarm must be consecutively activated to actually trip the alarms MODEL 2030 INSTRUCTION MANUAL PAGE 12 XRAY MONITOR Health Physics Instruments INTERVAL This is the number of 1 seconds that the alarm uses for its time base It counts the counts from the detector for that time and compares it to the trip set If this setting is set to 10 it will have a 1 second time base which is the same time base as the display Note that there is no interval for alarm 4 it is factory set to 1 second because the long term average also has a 1 second interval The interval will effect the tripset If the interval is set to 10 1 second then the tripset level will be compared to the counts that arrive in 1 second If it is set to 1 1 Second then the tripset level will be compared to the counts that arrive in 1 second or 10 times LESS sensitive than the 1 second choice Thus if the 1 second example had its tripset set to 20 the 1 second example would have to have its tripset set to 2 to be the same sensitivity PAUSE This is the numb
36. odel They are included for future changes or to allow this circuit board to be used in different ways The detector circuit board has a place for U6 an LM34 temperature sensor It can be digitized and used by the microprocessor The compensation signal can be switched between positive voltage and negative voltage The data output has jumpers for RS232 as well as RS485 It also includes terminating resistors for the line An EEPROM is available for data storage The display has more options It includes jumpers for RS232 and RS485 inputs and outputs on both the communications lines and the data lines from the detectors The lines from the detector are designed to accept pulses or serial data from the detector The watchdog can be disabled by JP12 X MAINTENANCE This section discusses the circuit of the instrument and any adjustments that may be needed SHORTCUTS Push the right hand button on the control panel during the warm up period to cancel the warm up period Also remember to push the right hand button on the control panel to see the action of the alarms and to tell which MODEL 2030 INSTRUCTION MANUAL PAGE 17 XRAY MONITOR Health Physics Instruments alarm is tripping Push the center button on the control panel during normal operation to cancel the alarms This is almost as good as a reset but it does not clear the average or the current reading If you have the complete cover off of the display the reset button on the top of the board a
37. on display and the first preset menu about every 2 seconds and the relay will be de energized and energized The pulse is the watchdog timing out and resetting the microprocessor DETECTOR The detector DAC and reset circuitry can be tested by holding down S2 and momentarily pushing the reset button S1 Then release S2 This puts the microprocessor is a special test mode Look at pin TP4 with an oscilloscope The signal should ramp from 5 volts to 0 volts then repeat The period of the ramp should repeat every 1 6 seconds This signal tests the integrity of the ladder network and the output pins of the microprocessor It also checks the maintenance portion of the software in the microprocessor While in this test mode hold down S2 This will causes a reset pulse for the integrator The pulse can be seen on TP8 and occurs MODEL 2030 INSTRUCTION MANUAL PAGE 18 XRAY MONITOR Health Physics Instruments when the DAC reaches 0 volts This occurs about every 1 6 seconds This pulse will only occur if S2 is held down It can be used to reset the integrator during any circuit tests MODEL 2030 INSTRUCTION MANUAL PAGE 19 XRAY MONITOR Health Physics Instruments APPENDIXI USER TABLES The blank tables below are useful to determine how you want the alarms setup Copy it and fill it out not only for ease of programming but also for your records DATE SERIAL NUMBER LOCATION BY ALARM SETUP RELAY 7516 TP4 5 REDLED YELLOW GR
38. r on or by the watchdog timer U3 then the output pin P1 4 will float high opening the relay U6 divides the incoming counts by 2 to slow them down U9 and U12 are RS232 and RS485 outputs respectively U13 and U14 are used as inputs and outputs to the detector In this case only U14 is used as an input U15 is 5 volt voltage regulator and U16 converts this to 5 volts for the LCD contrast R1 adjusts the contrast U3 is a watchdog timer for the MPU and it needs a pulse on the DACCL at least every second to keep the watchdog from timing out DETECTOR The detector V1 is a 4 liter three terminal ion chamber lonizing radiation produces ion pairs inside the detector that are collected on the center signal portion of the detector This current is integrated onto U1 an electrometer amplifier with a 2 pF feedback capacitor C2 The positive ion chamber current makes the output of the integrator move negative The output of the electrometer goes from 1 volt to 5 volts The divider R2 and R7 always keep the voltage on pin 5 of the switch U2 C positive but reduce the voltage swing by 2 The switch U2 C set to pass the voltage to the voltage comparator U3 pin 2 This comparator compares the voltage from the integrator with the ladder network that starts with R28 and ends with R30 This ladder network forms a DAC along with U4 a single chip microprocessor The software keeps the output of the DAC at the same level as the voltage on pin 2 of the comparator U
39. screw Wall Bracket Window Washser Screw Pan X PAGE 23 Health Physics Instruments 6012 00 6012 00 6012 00 Digikey 6012 00 Digikey 6012 00 6012 00 Digikey 6012 00 6012 00 Digikey 6012 00 Digikey 6012 00 Neal Feay 6012 005 Neal Feay 6012 005 Neal Feay 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 6012 005 24 Health Physics Instruments INSTRUCTION MANUAL MODEL 2030 YOLVYHANAD 35V11OA 5 929 LO ATE Edl anro 99 ee H 09 gt dnee 5 8 089 701 3 sal TS eed 8 1060 0 9 l
40. struments 52 5 e mmm PIA MODEL 2030 INSTRUCTION MANUAL PAGE 8 XRAY MONITOR Health Physics Instruments CONTROL PANEL The control panel is in the display unit under the bottom half of the front panel Remove the two screws on the front panel and the single screw on the bottom The control panel is located on the left side of the circuit board and consists of the three push buttons and the small round trimmer above them see Figure 2 The three buttons are from left to right MODE SET and UP These names are derived from their use during setup In this manual they will be referred to as left center and right push buttons The trimmer is to adjust the contrast of the LCD Turn the trimmer to increase or decrease the contrast of the display The best setting is where the black squares around the characters just disappear PUSH BUTTON SUMMARY Name Location Primary USE MODE LEFT This is used for changing the settings SET CENTER Pointing to the digit to set when changing settings UP RIGHT Increment the digit PUSH BUTTON ACTION During Wait period Left Enter into setup mode Center Test mode for alarms Right Start normal operation Normal operation Left Enter into setup mode Center Reset Alarms Right Display Alarm status During Setup mode Left Enter into setup mode and advance to next item Center Move arrow that points to a digit Right Increment the digit pointed to by the arrow Combinations R
41. tector is supplied with a 4 place terminal strip mounted in position 3 4 5 and 6 The additional connections to pin 1 and 2 are made by installing a 2 place terminal strip PN EDZ950 2 and EDSTLZ950 2 The edge of the latter will need to be removed to fit DISPLAY The display is installed by first mounting the mounting bracket The display unit may be in any orientation The display sets into the mounting bracket and is held in place with the two thumbscrews There are 2 cables that connect to the display The first is the 2 conductor power cable from the wall mounted power supply The second is the 4 conductor cable from the detector In addition wires for RS 232 external alarms or remote drivers may also be connected to the terminal strip Remove the bottom half of the front panel by removing the two screws on the front panel and the single screw on the bottom The power cable and detector cable are connected according to figure 1 Additional cables may be connected to the display as needed for RS 232 relay contacts or other needs The cable leads out through the openings on the bottom of the display Replace the cover unless you want to change the factory settings There is no on off switch since this instrument should be operational 24 hours a day The only way to turn it on and off is to plug and unplug the wall transformer After the instrument is installed it may be turned on by plugging in the wall transformer See section X Maintenance t
42. tion level and the status of the instrument The following manual will discuss the various settings and functions of the instrument I OPERATION The operation of the 2030 is very simple The first line of the display shows the number of counts second from the detector It is updated every second The second line shows the status of the alarms and is updated every 1 second The lights on the front panel also show the status of the alarms There are no controls that are accessible from the front panel When the instrument is first turned on there is a wait until the instrument stabilizes The number of seconds remaining until normal operation begins is shown on the display along with the version number of the software The detector will take longer than the wait period to completely stabilize to background levels however this should not effect the alarms because the level is close to background The detector is sensitive to mechanical shock Tapping on the metal part of the detector with a screwdriver will cause the detector to read and alarm if the alarms are set low enough Large electrical disturbances such as arc welders that are in the vicinity of the detector may also cause it to alarm if the settings are low enough We recommend that you experiment with the alarm setting to achieve the optimum settings ll INSTALLATION The 2030 is easily installed It consists of 2 parts the detector unit and the display unit There is a single
43. to also trip the front panel Trip High LED and to activate the relay and beeper It is used with a short interval short delay and a high tripset to catch fast moving levels When tripped it will show ALARM 2 on the second line of the display ALARM 3 This alarm has the fourth highest priority It is usually setup with a long interval and a long delay and is used as a warning indicator It is usually setup to turn on the orange Trip Low LED on the front panel It usually is not setup to trip the relay or beeper When tripped it will show WARNING on the second line of the display ALARM 4 This is the fastrip or rate or rise alarm It is used to detect a fast change in the level This alarm keeps an average with a 60 second time constant and compares it to the trip set This makes it usable for slowly moving signals It has the second highest priority The interval is fixed at 1 second It is usually setup to trip the front panel Trip High LED and activate the relay and beeper The delay is usually set low The average is an ongoing average with an approximation to an RC circuit The average is updated during the turn on wait period FAIL This alarm is used to indicate that the detector is not functioning It turns off the alarms and indicators and shows FAILURE in the display It will not activate the relay This alarm will activate if there are no counts from the detector for a number of seconds The number of seconds is the only setting PRIORI

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