CB FALCON MODBUS COMMUNICATION
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Table 4. CB Falcon Modbus register map
011B 0283 Boiler pump overrun time R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
011C 0284 Auxiliary 1 pump output R/W U16 0=None, 1=Pump A, 2=Pump B, 3=Pump C
011D 0285 Auxiliary 1 pump control R/W U16 0=Auto, 1=On
011E 0286 RESERVED
011F 0287 System pump output R/W U16 0=None, 1=Pump A, 2=Pump B, 3=Pump C
0120 0288 System pump control R/W U16 0=Auto, 1=On
0121 0289 System pump overrun time R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
0122 0290 Pump exercise interval R/W U16 Days
0123 0291 Pump exercise time R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
0124 0292 CH pump start delay R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
0125 0293 Boiler pump start delay R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
0126 0294 System pump start delay R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
0127 0295 Auxiliary 1 pump start delay R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
0128 0296 CH pump options 1 R/W U16 Bit map:
15=Normal pump demand when auxiliary pump Z is set,
14=Normal pump demand when auxiliary pump Y is set,
13=Normal pump demand when auxiliary pump X is set,
12-7=Reserved (always 0),
6=Normal pump demand when DHW service is active,
5=Normal pump demand when CH service is active,
4=Reserved,
3=Normal pump demand when DHW demand,
2=Normal pump demand when CH demand,
1=Normal pump demand when local burner demand,
0=Local demand inhibited for faults
0129 0297 CH pump options 2 R/W U16 Bit map:
15=Pump used for Lead Lag,
14=Pump used for local demand,
13-9=Reserved (always 0),
8=Force pump off when DHW high limit,
7=Force pump off when DHW anti-condensation,
6=Force pump off when CH anti-condensation,
5=Force pump off when DHW priority is active,
4=Force pump on when DHW frost protection,
3=Force pump on when CH frost protection,
2=Force pump on when Lead Lag slave demand,
1=Force pump on when local burner demand,
0=Force pump on when Outlet high limit
012A 0298 DHW pump options 1 R/W U16 Bit map:
15=Normal pump demand when auxiliary pump Z is set,
14=Normal pump demand when auxiliary pump Y is set,
13=Normal pump demand when auxiliary pump X is set,
12-7=Reserved (always 0),
6=Normal pump demand when DHW service is active,
5=Normal pump demand when CH service is active,
4=Reserved,
3=Normal pump demand when DHW demand,
2=Normal pump demand when CH demand,
1=Normal pump demand when local burner demand,
0=Local demand inhibited for faults
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