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S7810M MODBUS™ MODULE

65-0249—4

7800 SERIES Burner Control Fault History Records

Table 18 describes the registers that are part of a fault history record.
To determine the actual register address for a parameter within the
record, add the register offset to the start address of the record

Expanded Annunciator

The codes shown in Table 19 are available in the Expanded

Annunciator First Out Code Register. These codes are normally

translated to the appropriate fault code by the Burner Control. The

fault code will then be translated to the appropriate first and second

line messages as shown in Table 17 for use by the UMC800 Operator

Interface.

207

FAULT 23k: LOW OIL TEMP

208

FAULT 23j: HIGH OIL TEMP

209

FAULT 23i LOW OIL PRESSURE

210

FAULT 23h: HIGH OIL PRESSURE

211

FAULT 23g: BOTH FUELS SELECT

212

FAULT 23f: FUEL SELECT OFF

213

FAULT 23e: AUX LIMIT #3

214

FAULT 23d: HIGH LIMIT

215

FAULT 23c: LWCO

216

FAULT 23b: AUX LIMIT #2

217

FAULT 23a: AUX LIMIT #1

218

FAULT 22s: OTHER INTERLOCKS

219

FAULT 22r: AUX INTERLOCK #5

220

FAULT 22q: AUX INTERLOCK #4

221

FAULT 22p: AIRFLOW SWITCH

222

FAULT 22o: LOW GAS PRESSURE

223

FAULT 22n: HIGH GAS PRESSURE

224

FAULT 22m: ATOMIZING SW

225

FAULT 22k: LOW OIL TEMP

226

FAULT 22j: HIGH OIL TEMP

227

FAULT 22i: LOW OIL PRESSURE

228

FAULT 22h: HIGH OIL PRESSURE

229

FAULT 22g: BOTH FUELS SELECT

230

FAULT 22f: FUEL SELECT OFF

231

FAULT 22e: AUX LIMIT #3

232

FAULT 22d: HIGH LIMIT

233

FAULT 22c: LWCO

234

FAULT 22b: AUX LIMIT #2

235

FAULT 22a: AUX LIMIT #1

236

FAULT 21s: OTHER INTERLOCKS

237

FAULT 21r: AUX INTERLOCK #5

238

FAULT 21q: AUX INTERLOCK #4

239

FAULT 21p: AIRFLOW SWITCH

240

FAULT 21o: LOW GAS PRESSURE

241

FAULT 21n: HIGH GAS PRESSURE

242

FAULT 21m: ATOMIZING SW

243

FAULT 21k: LOW OIL TEMP

244

FAULT 21j: HIGH OIL TEMP

245

FAULT 21i: LOW OIL PRESSURE

246

FAULT 21h: HIGH OIL PRESSURE

247

FAULT 21g: BOTH FUELS SELECT

Table 17. 7800 SERIES Fault Codes. (Continued)

Fault Code

(Reg 40001)

Fault Message

(NOTE: FAULT n: is not in

the Fault and Strings Code)

Fault String

Code

(Table 16)

248

FAULT 21f: FUEL SELECT OFF

249

FAULT 21e: AUX LIMIT #3

250

FAULT 21d: HIGH LIMIT

251

FAULT 21c: LWCO

252

FAULT 21b: AUX LIMIT #2

253

FAULT 21a: AUX LIMIT #1

254

FAULT 10z: OTHER PREIGN ILK

255

FAULT 10y: VALVE CLOSURE

109

Table 18. Fault History Record Format.

Offset

Parameter Name

Access

Format

Notes

Fault code

U16

See Table 17.

Fault String

U16

See Table 16.

Sequence State

U16

See Table 15.

First line message

U16

See Table16.

Second line message R

U16

See Table 16.

Sequence time

U16

Seconds.

6-7

Total cycles

U32

8-9

Total hours

U32

Table 19. Expanded Annunciator First Out Code.

EA Status Value

(binary)

Status Message

Line 2 String Code

(Table 16)

0xx 00000

No Expanded Annunciator N/A

0xx 00001

Burner Sw.

0xx 00010

Operating Control

0xx 00011

Aux. Limit #1

0xx 00100

Aux. Limit #2

0xx 00101

LWCO

0xx 00110

High Limit

0xx 00111

Aux. Limit #3

0xx 01000

FuelSelect Off

0xx 01001

BothFuelSelect

0xx 01010

High Oil Pres.

0xx 01011

Low Oil Pres.

0xx 01100

High Oil Temp

0xx 01101

Low Oil Temp.

0xx 01110

Atomizing Sw.

Table 17. 7800 SERIES Fault Codes. (Continued)

Fault Code

(Reg 40001)

Fault Message

(NOTE: FAULT n: is not in

the Fault and Strings Code)

Fault String

Code

(Table 16)

Содержание ModBus S7810M

Страница 1: ...t of a 7800 SERIES Relay Module FEATURES Multi dropped communications bus interface Remote control capabilities Standby Hold Drive to High Fire Drive to Low Fire Reset Ability to remotely mount a Keyboard Display Module S7810M1029 meets Gastec approval cannot be reset through data highway SPECIFICATIONS Model S7810M ModBus Module Electrical Ratings Voltage and Frequency 13 Vdc peak full wave recti...

Страница 2: ...ply with the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case users at their own expense will be required to take whatever measures may be required t...

Страница 3: ...2 1 7800 SERIES RELAY MODULE 8 7 6 5 4 3 2 1 7800 SERIES RELAY MODULE INPUT OUTPUT GND GND 1 2 3 4 5 A B C MOMENTARY PUSHBUTTON SWITCH S7800 REMOTE KEYBOARD DISPLAY MODULE S7830 EXPANDED ANNUNCIATOR A B C R7999 CONTROLINKS CONTROLLER RS 485 REPEATER A WITHOUT RS 485 REPEATER LOCAL RS 485 COMMUNICATION BUS THE DEVICES ON THIS BUS MUST BE WIRED IN A DAISY CHAIN CONFIGURATION THE ORDER OF INTERCONNEC...

Страница 4: ... for Function Codes 3 and 4 Table 5 Query Message Format for Function Code 6 Broadcast is supported by using a slave address of 00 Table 6 Response Message Format for Function Code 6 There is no response if the query was broadcast Table 7 Query Message Format for Function Code 17 NOTE See Table 20 for function code 17 response format Table 8 Exception Response Message Format Signal S7810M Terminal...

Страница 5: ...ENOSE PLIERS M17650 Table 10 ModBus Register Assignments Address hex Register dec Parameter Name Read Write Format Notes 0000 40001 Burner Control BC Fault Code R U16 See Table 17 0001 40002 BC Fault String Code R U16 See Table 16 0002 40003 BC Sequence State R U16 See Table 15 valid only if Fault code 0 0003 40004 BC State String Code line 1 R U16 See Table 16 0004 40005 BC State String Code line...

Страница 6: ... control command 0055 40086 BC Flame Amplifier type R U16 0 Standard 1 Unknown 2 Amplicheck or missing amplifier 3 Shutter 0056 40087 BC Purge Time R U16 Seconds 0057 0065 40088 40102 BC Diagnostics R U16 String codes indicating terminal jumper state See Table 16 There are 15 codes Not all are used for some burner controls 0066 007E 40103 40127 Unused 007F 40128 BC Remote Command W U16 Only one bi...

Страница 7: ...ault 3 14 Purge Main Valve 15 Fault 4 16 Initialize 17 Post Purge 0084 40133 R7999 air position 6 7 U16 0 4095 0085 40134 R7999 active fuel position 8 9 U16 0 4095 0086 40135 R7999 fgr position 10 11 U16 0 4095 0087 40136 R7999 fuel id 3 7 U16 0 Fuel 1 1 Fuel 2 0088 0089 40137 40138 R7999 cycles 10 13 U32 008A 40139 R7999 diagnostic bits 6 8 10 12 U16 Bit Meaning 15 LCO state 14 HFP state 13 LFP s...

Страница 8: ... closed endpoint U16 0 4095 0163 40356 Fuel 2 open endpoint U16 0 4095 0164 40357 Inactive motor position U16 0 4095 0165 40358 Registers 40353 40357 are current U16 0 1 0166 40359 Air closed endpoint position U16 0 4095 0167 40360 Air open endpoint position U16 0 4095 0168 40361 FGR closed endpoint position U16 0 4095 0169 40362 FGR open endpoint position U16 0 4095 016A 40363 Unused U16 016B 403...

Страница 9: ...igured 1 Low Fire Hold Position the FGR Air and Fuel actuators at the Light Off Position 2 Modulate with FGR closed FGR closed Air and fuel modulating 3 Low Fire Hold with FGR closed FGR closed Air and Fuel at Light Off Position Configuration Options U16L If a Bit 1 then the option is configured Bit 0 FGR is set to follow the profile curve during purge Bit 1 Maximum Firing rate is controlled by th...

Страница 10: ...Table 14 for register numbers and variables Table 14 Temperature Data Registers 7800 SERIES Sequence State Codes Sequence state codes are provided by the Burner Control Each code is translated into two string codes for displaying an associated message in two lines Each code is also translated into burner control state bits which may be used to generate and control system diagrams on an operator in...

Страница 11: ...ner Control State Bits Line 1 Line 2 26 PILOT HOLD TEST RUN TEST SWITCH 77 98 4008h 27 PILOT HOLD START SWITCH 77 106 4008h 28 MAIN IGN 66 0 0010h 29 MAIN IG HOLD MANUAL OPEN SWITCH 67 72 4010h 30 RUN 95 0 0020h 31 RUN PV HOLD LOW FIRE SWITCH 96 58 4020h 32 PVHOLD IGN 96 66 4020h 33 PV HOLD PV HOLD SWITCH 96 45 4020h 34 RUN LOWFIRE TEST RUN TEST SWITCH 97 98 4020h 35 POSTPURGE 83 0 0040h 36 STATE ...

Страница 12: ...h 78 RUN HOLD EA 188 Table 19 4020h 79 POSTPURGE HOLD EA 189 Table 19 4040h 80 PREIGNITION HOLD EA 190 Table 19 4080h Table 15 7800 SERIES Sequence State Codes and Associated register code values Continued cb_sqst Value 7800 SERIES Sequence State String Code Uses mm ss Burner Control State Bits Line 1 Line 2 Table 16 7800 SERIES String codes String Code String 0 blank 1 1 2 1 1 3 1 2 4 1 3 5 1 4 6...

Страница 13: ...TE CONTROL Table 16 7800 SERIES String codes Continued String Code String 95 RUN 96 RUN HOLD 97 RUN LOWFIRE 98 RUN TEST SWITCH 99 RUNNING ILK 100 RUNNING ILK ON 101 RUNNING INTERLOCK 102 SAFETY CHECK 103 STANDBY 104 STANDBY HOLD 105 START 106 START SWITCH 107 START SWITCH ON 108 TEST STATE 109 VALVE CLOSURE 110 ALL SWITCHES ON 111 RESET ALARM TEST 112 Run Test Switch RUN 113 Run Test Switch TEST 1...

Страница 14: ...HOLD EA 190 PREIGNITION HOLD EA Table 16 7800 SERIES String codes Continued String Code String Table 17 7800 SERIES Fault Codes Fault Code Reg 40001 Fault Message NOTE FAULT n is not in the Fault and Strings Code Fault String Code Table 16 0 Blank no fault 0 1 FAULT 1 NO PURGE CARD 73 2 FAULT 2 AC FREQUENY NOISE 8 3 FAULT 3 AC LINE DROPOUT 9 4 FAULT 4 AC FREQUENCY 7 5 FAULT 5 LOW LINE VOLTAGE 60 6...

Страница 15: ...A 16 Table 17 7800 SERIES Fault Codes Continued Fault Code Reg 40001 Fault Message NOTE FAULT n is not in the Fault and Strings Code Fault String Code Table 16 166 FAULT 30q AUX INTERLOCK 4EA 15 167 FAULT 30p AIRFLOW SWITCHEA 13 168 FAULT 30o LOW GAS PRESSUREEA 59 169 FAULT 30n HIGH GAS PRESSUREEA 41 170 FAULT 30m ATOMIZING SWEA 14 171 FAULT 30k LOW OIL TEMPEA 62 172 FAULT 30j HIGH OIL TEMPEA 44 1...

Страница 16: ...21s OTHER INTERLOCKSEA 74 237 FAULT 21r AUX INTERLOCK 5EA 16 238 FAULT 21q AUX INTERLOCK 4EA 15 239 FAULT 21p AIRFLOW SWITCHEA 13 240 FAULT 21o LOW GAS PRESSUREEA 59 241 FAULT 21n HIGH GAS PRESSUREEA 41 242 FAULT 21m ATOMIZING SWEA 14 243 FAULT 21k LOW OIL TEMPEA 62 244 FAULT 21j HIGH OIL TEMPEA 44 245 FAULT 21i LOW OIL PRESSUREEA 61 246 FAULT 21h HIGH OIL PRESSUREEA 43 247 FAULT 21g BOTH FUELS SE...

Страница 17: ...ILK 4 15 0xx 10011 Aux ILK 5 16 0xx 10100 All Switches On or Other PII if hold or lockout condition exists 110 75 0x1 XXXX Valve Closure 109 00XX XXXX Oil Select N A 01XX XXXX Gas Select N A If the BC is in Standby and the 5LSB value is 1 16 then the cause of the Standby Hold is the 5LSB value otherwise the hold is Circuit Fault Table 19 Expanded Annunciator First Out Code Continued EA Status Valu...

Страница 18: ...text enumeration as R7999 Status Message 0x0C byte 5 Register 40132 4 Not implemented U16H 1 6 Unused U16L 255 5 Data in the previous 5 registers is current U16 0 1 Table 25 R7999 Status Message Byte s Description R7999 circular buffer data structure of registers 40161 40208 Some of this data is interpreted by the S7810M and is available in registers 40129 40144 0 Program Mode Selected Fuel Bits D...

Страница 19: ...4 FGR Pot Feedback 0x45 Air Wiper Resistance 0x46 F1 Wiper Resistance 0x47 F2 Wiper Resistance 0x48 FGR Wiper Resistance 0x49 Air Total Resistance 0x51 F1 Total Resistance 0x52 F2 Total Resistance 0x53 FGR Total Resistance 0x58 Stuck Reset 0x61 Initiate Timeout 0x67 Fuel Off Curve 0x68 FGR Off Curve 0x69 Air Off Curve 0x71 Air Offline 0x72 F1 Offline 0x73 F1 Offline 0x74 FGR Offline 0x82 Motor Spe...

Страница 20: ...e North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers Contact Esys for more information about this product Esys The Energy Control Company website http www esys us 4520 Stine Road Ste 7 Bakersfield CA 93313 661 833 1902 email esys us ...

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