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Appendix D: Modbus Holding Registers
Chillgard 5000
US
17.2 RESET Button Actions
17.3 Unit Status Flags
17.4 Channel Status Flags
HiByte LoByte Description
0 channel# Reset channel-specific alarms, channel#1-#16 = 0..15
0 255 Reset all channel-specific alarms
1 channel# Reset channel-specific faults, channel#1-#16 = 0..15
1 255 Reset all channels-specific faults
2 255 Reset common faults
3 255 Reset all alarms and all faults
Bit Description
0x0001 Warm up Set if warm-up time is pending
0x0002 Operating
Normal operating mode is set (after warm-up; not in calibration, fault, or
alarm)
0x0004 Calibration Set if calibration is in progress
0x0008 Fault Set if failure is reported
0x0010 Alarm Set if C/W/A level is achieved
0xFFE0 --- Reserved
Bit Description
0x0001 Caution Set if caution level is achieved
0x0002 Warning Set if warning level is achieved
0x0004 Alarm Set if alarm level is achieved
0x0008 Beacon Set if C/W/A is set
0x0010 Horn Set if any configured C/W/A is set and not acknowledged yet
0x0020 New Set if any of C/W/A is set and not acknowledged yet
0x0040 Hold
Set if any of C/W/A is in hold state (acknowledged latching alarm below
threshold)
0x0080 Fault Set if failure is reported
0xFF00 --- Reserved
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