Product Overview

S7810M MODBUS™ MODULE
13 65-0249—07
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 77 46  4008h
33 PV HOLD:
PV HOLD
SWITCH
77 45 4008h
34 RUN/LOWFIRE:
TEST
RUN/TEST
SWITCH
97 98 4020h
35 POSTPURGE 83 0  0040h
36 STATE
UNKNOWN
31 0 0000h
37 RESET/ALARM
TEST
111 0 6000h
38 SAFETY START 102 105 4002h
39 SAFETY1-1 102 2  0008h
40 SAFETY1-2 102 3  0008h
41 SAFETY1-3 102 4  0008h
42 SAFETY1-4 102 5  0008h
43 SAFETY1-5 102 6  0008h
44 Blank 0 0 A000h
45 PREIGNITION 84 0  0080h
46 SAFETY 1 102 1  0008h
47 PILOT STAB. 79 0 0008h
48 MAIN TRIAL 68 0  0010h
49 MAIN TRIAL 68 0 0010h
50 STANDBY
HOLD:
RUN/TEST
SWITCH
104 98 4002h
51 STATE 51 31 0 A000h
52 STATE 52 31 0 A000h
53 SAFETY 1:
RUN/TEST
SWITCH
102 98 4008h
54 STATE 54 31 0 A000h
55 STANDBY
HOLD:
PURGE FAN
SWITCH
104 92 4002h
56 STATE 56 31 0 A000h
57 PURGE HOLD:
PURGE FAN
SWITCH
93 92 4004h
Table 15. 7800 SERIES Sequence State Codes
and Associated register code values. (Continued)
Register
40003
7800 SERIES
Sequence
State
String Code
Uses
mm:ss
Burner
Control
State
BitsLine 1 Line 2
58 STANDBY
HOLD FLAME
DETECTED
104 35 4002h
59 STANDBY
HOLD COMB.
PRESSURE
104 26 4002h
60 VP START 210 0  0100h
61 VP MV2 ON 211 0  0100h
62 VP LOW DLY 212 0  4100h
63 VP LOW TST 213 0  0100h
64 VP MV1 ON 214 0  0100h
65 VP HIGH DLY 215 0  4100h
66 VP HIGH TST 216 0  0100h
67 INITIATE HOLD:
AC
AC PHASE
ERROR
49 10 4001h
68 STANDBY
HOLD:
PRE-IGNITION
ILK
104 85 4002h
69 SETUP
NEEDED
217 0 A000h
70 STATE 70 31 0 A000h
71 BURNER OFF:
T6
BURNER
SWITCH
22 23 4002h
72 STANDBY
HOLD: T6 (EA)
HOLD MSG
184 30 4002h
73 STANDBY
HOLD: (EA)
CIRCUIT FAULT
184 25 4002h
74 STANDBY
HOLD (EA)
184 Varies 4002h
75 PURGE HOLD
(EA)
185 Varies 4004h
76 Unused 0 Varies 0000h
77 Unused 0 Varies 0000h
78 Unused 0 Varies 0000h
79 STANDBY
HOLD (EA)
184 Varies 4002h
80 STANDBY
HOLD (EA)
184 Varies 4002h
81 STANDBY
HOLD (EA):
VALVE
CLOSURE
184 109 4002h
82 STANDBY
HOLD (EA)
OTHER PII
184 75 4002h
Table 15. 7800 SERIES Sequence State Codes
and Associated register code values. (Continued)
Register
40003
7800 SERIES
Sequence
State
String Code
Uses
mm:ss
Burner
Control
State
BitsLine 1 Line 2