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User's Manual Rev A / November 2015 / M600/M400 Helium Compressor
6.3.5.1.
Compressor Front Panel Fault Errors
For the Model 600/ Model 400 compressors that have digital electrical box configurations as shown in Figure 3 and Figure 4 the following errors can be displayed:
•
System Error
•
Compressor Overload
•
Low Pressure
•
High Temperature
•
AC Power Phase Error
•
F13-F15 Fuse Blown
•
F16-F18 Fuse Blown
•
3PH Detected in 1PH Mode
•
1PH Detected in 3PH Mode
6.3.6.
Compressor System Shut Down
Manual shut-down
Push the OFF button or the Main Power Switch
Automatic shut-down
The following system indication will cause the compressor to automatically shut down:
1.
Low Helium pressure (not standard)
2.
High Helium pressure (not standard)
3.
High Helium temperature
4.
High Oil Return temperature
5.
Contactor Overload
6.
Loss of Power
If an automatic shut down occurs, refer to Table 6-5 to identify and remove the fault. Once the fault has been corrected, the user can restart the system by pressing the “ON” button.
6.3.7.
Compressor Interfaces
For the Model 600 / Model 400 compressors that have digital electrical box configurations shown in Figure 1 and Figure 2 a connector is provided for serial communication.
6.3.7.1.
Serial Port Interface (J2-RS232)
For the Model 600/ Model 400 compressors that have digital electrical box configurations as shown in Figure 1 and Figure
2 , a DB9 Male connector is provided for serial port communications. A “straight through” serial cable, as shown in Table
6-6 and Table 6-7 , is necessary for interfacing to the serial port. Only pins 2, 3, and 5 are required.
Table 6-6 – Serial Port Interface Pin Assignments
DB9 Female (to Compressor) DB9 (to Controller)
1
2(TxD)
3(RxD)
4
5(Gnd)
6
7
-------------
-------------
-------------
-------------
-------------
-------------
-------------
1
2(TxD)
3(RxD)
4
5(Gnd)
6
7
97-00046-000 23
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