•Maximum relative humidity: 80% for temperatures up to 31°C decreasing linearly to 50% relative humidity at 40°C.
•Installation category II
CABLE PINOUT
| Analog Ouput | Analog Ouput | Digital Output | |
Pin |
|
| RS232/485 | |
No. | ||||
|
|
| ||
|
|
|
| |
1 | High Setpoint Output | High Setpoint Output | High Setpoint Output | |
2 | Low Setpoint Output | Low Setpoint Output | Low Setpoint Output | |
3 | Power Input (+12 to 30 VDC) | Power Input (+12 to 30 VDC) | Power Input (+12 to 30 VDC) | |
4 | Power Return | Power Return | Power Return | |
5 | Channel 1 Vout (+) | Channel 1 Iout | NC | |
6 | Analog Return | Analog Shield | NC | |
7 | Channel 2 Vout (+) | Channel 2 Iout | NC | |
8 | Digital Ground | Digital Ground | Digital Ground | |
9 | Remote Zero | Remote Zero | Remote Zero | |
10 | NC | Channel 1 Iout (+) | NC | |
11 | NC | Channel 2 Iout (+) | NC | |
12 | NC | NC | NC | |
13 | NC | NC | NC | |
14 | Rx In (Internal Use) | Rx In (Internal Use) | NC | |
15 | Tx Out (Internal Use) | Tx Out (Internal Use) | NC |
2.5. Initial Operation
Upon applying power to the control unit a pressure measurement will be given in Torr for nitrogen. However, it is recommended that the user follow the instructions for zeroing and adjusting the output at atmosphere.
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