Product Overview

S7810M MODBUS™ MODULE
65-0249—07 10
01AA 40427 R7999 ControlBus™ revision U16H Bits 0-3 FlameNet™ and R7999 display.
R7999 Compatibility Code for
ZM7999
U16L
01AB 40428 R7999 Software Build Code U16 0x0000-0xFFFF
01AC 40429 Abort Code U16H 0-255
Abort Code Count U16L 0-255
01AD 40430 Registers 40425-40429 are current U16 0-1
01AE 40431 Low Fire Hold Configuration U16H 0—Disabled (Not configured—See note in register 40139)
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 the Manual Firing
Rate input.
Bits 2-15: Unused.
01AF 40432 Min Auxiliary Temperature U16 0x0000-0xFFFF. Subtract 40 to get the actual value.
01B0 40433 Max Auxiliary Temperature U16 0x0000-0xFFFF. Subtract 40 to get the actual value.
01B1 40434 Auxiliary Release Temperature
Counts
U16 Release the Low Fire Hold condition and allow Modulation
after the Aux. temperature reaches this temperature or
higher. See Note 5.
01B2 40435 Auxiliary Enforce Temperature
Counts
U16 Initiate a Hold condition when the Aux. temperature reaches
this temperature or lower. See Note 5.
01B3 40436 Registers 40431-40435 are current U16 0-1
01B4-
01B5
40437-
40438
Running Time in Hours U32
01B6 40439 Running Time in Minutes U16H
Unused U16L
01B7-
01B8
40440-
40441
Unused U32
01B9 40442 Registers 40437-40440 are current U16 0-1
01BA 40443 Device Data Ready U16 Device data was properly received by S7810M.
Bit(s)
Device
0 RM78XX
1 R7999
2 S7830 Expanded Annunciator
3 EC78XX
4-15 Unused
01BB 40444 S7810M Device Compatibility with
Current Software Revision
S7810M Software Revision
Compatibility with Legacy Software
Revisions.
U16 Device is compatible with the S7810M version
Bit
Device
0 RM78XX
1 R7999
2 S7830 Expanded Annunciator
3 EC78XX
4-7 Unused
Used for indication of S7810M revision compatibility.
Bit(s)
Compatible with:
8 Series 2
9-15 Future
Table 13. ModBus™ R7999 Register Assignments. (Continued)
Address
(hex)
Register
(dec) Parameter Name Format Notes