27 ED 15121
This read only holding register allows individual notification of the active problem code. The alarms are not ordered
based on any priority. If multiple problem alarms are present at one time, this object will be set to the alarm that has the
highest alarm code. This object is set to zero if no problem alarms are active.
Data Type Holding Register Measurement Units Valid Range
RO Holding Register
32
Active Problem Alarm N/A
See the Active Alarms section
on page 29 for details.
Problem Alarm Index
Keypad Menu Path No Keypad Equivalent
This read only holding register allows individual notification of the active problem index. The alarms are not ordered
based on any priority. If multiple problem alarms are present at one time, this object will be set to the alarm that has the
highest problem index. This object is set to zero if no problem alarms are active.
Data Type Holding Register Measurement Units Valid Range
RO Holding Register
29
Active Warning Alarm N/A
See the Active Alarms section
on page 29 for details.
Run Enabled
Keypad Menu Path No Keypad Equivalent
This read only holding register indicates the running mode of the chiller. The Run Enabled output data point indicates
that the chiller can start if operating conditions are met.
Data Type Holding Register Measurement Units Valid Range
RO Holding Register
3
Chiller State N/A
0=Off, 1=RunAllowed
Units
Keypad Menu Path No Keypad Equivalent
This read/write holding register allows you to select the units that are being passed through Modbus.
Data Type Holding Register Measurement Units Valid Range
RW Holding Register
316
Units of Measure N/A
0=English, 1=Metric
Warning Alarm Code
Keypad Menu Path No Keypad Equivalent
This read only holding register allows individual notification of the active warning code. The alarms are not ordered
based on any priority. If multiple warning alarms are present at one time, this object will be set to the alarm that has the
highest alarm code. This object is set to zero if no warning alarms are active.
Data Type Holding Register Measurement Units Valid Range
RO Holding Register
31
Active Warning Alarm N/A
See the Active Alarms section
on page 29 for details.
Warning Alarm Index
Keypad Menu Path No Keypad Equivalent
This read only holding register allows individual notification of the active warning index. The alarms are not ordered
based on any priority. If multiple warning alarms are present at one time, this object will be set to the alarm that has the
highest alarm index. This object is set to zero if no warning alarms are active.
Data Type Holding Register Measurement Units Valid Range
RO Holding Register
28
Active Warning Alarm N/A
See the Active Alarms section
on page 29 for details.
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