MKS Baratron 740C, Руководство пользователя, Страница: 69 / 84

Chapter Five: Type R7xxC Relay System Electrical Information
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Electrical Information
Connector
Note
The “Reserved” pin assignment refers to a pin with an internal connection
which may be assigned a function in the future.
The relay module has a 15-pin Type “D” connector to interface to other devices. Connect the
power supply to this connector.
Type R700/R800 Connector Pinout
Pin Number Assignment
1 Relay A Normally Open
2 Pressure Output
3 Reserved
4 Reserved
5 Power Return
6 -15 Volt
7 +15 Volt
8 Relay A Normally Closed
9 Relay B Normally Closed
10 Trip Point A Setting
11 Trip Point B Setting
12 Pressure Return
13 Relay B Normally Open
14 Relay B Common
15 Relay A Common
Table 22: Type R7xxC Connector Pinout
Electrical Requirements
The R7xxC unit requires ±15 Volts to power the relay module and the pressure transducer. To
power the unit, connect the +15 V source to pin 7, the -15 V source to pin 6, and the power
common to pin 5.