Teledyne HPM-2002-OBE instruction manual Initial Operation, Pin Volt 20 mA RS232/485

•Maximum relative humidity: 80% for temperatures up to 31°C decreasing linearly to 50% relative humidity at 40°C.

•Installation category II

HPM-2002-OBE

CABLE PINOUT

	Analog Ouput	Analog Ouput	Digital Output
Pin	0-10 Volt	4-20 mA	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.

HPM-2002-OBEVacuum Gauge Page 8 of 39