74 WGZ030D through WGZ200D OMM 1130
Table continued
Type Index I/O Description LONworks BACnet Modbus
I 11 O Active alarms 11 x x x
I 12 O Active alarms 12 x x x
I 13 O Active alarms 13 x x x
I 14 O Active alarms 14 x x x
I 15 O Active alarms 15 x x x
I 16 O Active alarms 16 x x x
I 17 I Network chiller mode set point x x x
I 18 O LON Chiller run mode x x
I 19 O Active chiller mode x x x
I 20 I Network demand limit default set point x
I 21 I Network chiller mode default set point x
I 22 O
Sequence Status
Bit 1 – Unit Full Load Flag
Bit 2 – Circuit One Available Flag
Bit 3 – Circuit Two Available Flag
x x x
I 28 O Unit model type, refrigerant x x x
I 29 O Unit language x x x
I 30 O Unit software version x x x
I 32 I Compressor select x x x
I 35 I/O Clock year x x
I 36 I/O Clock month x x
I 37 I/O Clock day of month x x
I 38 I/O Clock day of week x x
I 39 I/O Clock hours x x
I 40 I/O Clock minutes x x
I 45 O Compressor starts x x
I 46 O Compressor run hours x x
D 1 I/O Network chiller enable set point x x x
D 2 O Chiller enable status x x x
D 3 O Active alarm indicator x x x
D 4 O Chiller run enabled x x x
D 5 O Chiller local control x x x
D 6 O Chiller capacity limited x x x
D 7 O Evap flow x x x
D 8 O Cond flow x x x
D 9 I
Network chiller enable default set point
x
D 10 I Ignore network defaults x
D 24 I Network clear alarm signal x x x
Parameter Details
Units of Measure
Parameters will be expressed in different units dependant on the protocol selected.
Parameter
Type
Modbus
Units
BACnet
Units
LONworks
Units
Temperature
o
F X 10
o
F X 10
o
C X 100
Pressure PSI X 10 PSI X 10 KPa X 10
Percentage % X 10 % X 10 % X 200
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