Host Commands Polycold Cryochiller
System Sensor Readings Installation and Operation Manual
Brooks Automation
7-24
214072 Revision B
Return Value Param 2 is bit field for if sensors are faulted
• same bit mapping as above (faulted = 1) hex encoded
Param 3-23 TC1-TC21 temperature values
Param 24 Voltage transformer value
Param 25 Not Used (0)
Param 26 Not Used (0)
Param 27 Not Used (0)
Param 28 Not Used (0)
Param 29 Not Used (0)
Param 30 Discharge Pressure Transducer value
Param 31 Suction Pressure Transducer value
Param 32 Not Used (0)
Param 33 Not Used (0)
Param 34 Not Used (0)
Param 35 Not Used (0)
Param 36 is bit field for Valve states, hex encoded (1=valve open)
• bit 0: Fault Relay
• bit 1: Buffer Valve
• bit 2: Not Used (0)
• bit 3: Not Used (0)
• bit 4: Cylinder Unloader Valve
• bit 5: Ckt1 Cool Valve
• bit 6: Ckt1 Defrost Valve
• bit 7: Not Used (0)
• bit 8: Not Used (0)
• bit 9: Not Used (0)
• bit 10: Not Used (0)
• bit 11: Ckt2 Cool Valve
• bit 12: Ckt2 Defrost Valve
• bit 13: Not Used (0)
• bit 14: Not Used (0)
• bit 15: Not Used (0)
• bit 16: Not Used (0)
• bit 17: Freezeout Prevention Valve
Default Value: N/A
Security Level Get: 1 Set: N/A
Example: “SENSOR_SNAPSHOT,?” Get the sensor snapshot
Interface RS-232, Ethernet
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