KVC KP390 - Connection Diagram

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KVC

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4-2 Connection diagram

PIN NUMBER PIN DESCRIPTION

1 RS485- input

2 RS485+ input

3 Power Input ( 20 ~ 30Vdc )

4 Power Ground

5 Log scale analog output ( 0 ~ 7.18 Vdc for full range )

6 Signal Ground

7 Signal Ground

8 Lin scale analog output ( 0 ~ 10 Vdc between 1.0E-4 ∼ 1 Torr )

9 No connection

10 Relay1 Normally Open

11 Relay2 Normally Open

12 Relay2 common

13 Communication ground

14 Case pannel ground ( FG )

15 Relay1 common

For safety and stable operation of the instrument, make sure to ground PIN 14.