750-265 78
00E4 0228 Flame sensor type R/W U16 0=None (no sensor)
1=Flame rod,
2=UV power tube
00E5 0229 Purge rate proving R/W U16 0=None, 1=HFS, 2=Fan speed
00E6 0230 Lightoff rate proving R/W U16 0=None, 1=LFS, 2=Fan speed
00E7 0231 Prepurge time R/W U16 0-600 seconds, 0xFFFF=Not configured
00E8 0232 Pre-ignition time R/W U16 0-600 seconds, 0xFFFF=Not configured
00E9 0233 Pilot flame establishing
period (PFEP)
R/W U16 4, 10, or 15 seconds
00EA 0234 Main flame establishing
period (MFEP)
R/W U16 5, 10, or 15 seconds
00EB 0235 Run stabilization time R/W U16 0-600 seconds, 0xFFFF=Not configured
00EC 0236 Postpurge time R/W U16 0-600 seconds, 0xFFFF=Not configured
00ED 0237 Interlock start check R/W U16 0=No ILK check,
1=ILK check
00EE 0238 Interlock open response R/W U16 0=Lockout, 1=Recycle
00EF 0239 Ignite failure response R/W U16 0=Lockout
1=Continuous recycle
2=Retry, recycle & hold?
3=Retry, recycle & lockout
00F0 0240 Ignite failure retries R/W U16 3 or 5
00F1 0241 Ignite failure delay R/W U16 0-600 seconds, 0xFFFF=Not configured
00F2 0242 MFEP flame failure
response
R/W U16 0=Lockout, 1=Recycle
00F3 0243 Run flame failure response R/W U16 0=Lockout, 1=Recycle
00F4 0244 Pilot test hold R/W U16 0=Disable, 1=Enable
00F5 0245 NTC sensor type R/W U16 0=10K dual safety
1=12K single non-safety
00F6 0246 Interrupted air switch (IAS)
enable
R/W U16 0=Disable
1=Enable during purge
2=Enable during purge & ignition
00F7 0247 IAS start check enable R/W U16 0=Disable
1=Enable
00F8 0248 LCI enable R/W U16 0=Disable
1=Enable
00F9 0249 PII enable R/W U16 0=Disable
1=Enable
00FA 0250 Flame threshold R/W U16 Minimum microamps needed to declare flame presence
(0.1μA precision).
Default value is 0.8 μA (8).
0FB 0251 Lockout reset W U16 1=Reset (clear) current lockout
00FC-
00FF
0252-
0255
RESERVED
FAN CONFIGURATION
0100 0256 Absolute maximum fan
speed
R/W U16 RPM
0101 0257 Absolute minimum fan
speed
R/W U16 RPM
0102 0258 Fan PWM frequency R/W U16 1000, 2000, 3000, 4000Hz
0103 0259 Fan pulses per revolution R/W U16 1-10
0104 0260 Fan speed-up ramp R/W U16 0-7000 RPM/sec
Table 33. CB Falcon Global Modbus Register Map. (Continued)
Address
(hex)
Register
(dec) Parameter
Read/
Write Format Note
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