Polycold Cryochiller Host Commands
Installation and Operation Manual Compressor Operational State Commands
Brooks Automation
214072 Revision B
7-29
Compressor Operational State Commands
COMP_MOTOR_STATE Refrigerant Compressor On/Off State
Compressor Sensor Readings
UNIT_BALANCE_PRESS Compressor Static Charge Pressure
Purpose: Get/Set the refrigerant compressor motor on/off state.
Parameter(s): [n],? or [n1]
[n] is
0 = Refrigerant compressor
1 = Not Used
[n1] is motor state
0 = motor off (contactor open)
1 = motor on (contactor closed)
Return Value: [A] or [A][n1]
Default Value: N/A
Security Level Get: 1 Set: 2
Example: “COMP_MOTOR_STATE,0,?” Get the motor state.
Interface RS-232, Ethernet
Purpose: Get the unit balance (static charge) pressure.
Parameter(s): [n],?
[n] is
0 = Refrigerant compressor
1 = Not Used
Return Value: [A] [nnn.n]
Default Value: N/A
Units: PSI
Security Level Get: 1 Set: N/A
Example: “UNIT_BALANCE_PRESS,0,?”
Interface RS-232, Ethernet