Ulvac GP-1000G, Instruction Manual

Page: 20 / 44

- 15 -
4. EXTERNAL INPUTS/OUTPUTS
4.1. External Input/Output Connector Assignment
Pa/Torr, N
2
/Ar can be changed over by external inputs.
Refer to Table. 4-1 "I/O Connectors" for the input terminals.
For changeover, input TTL level Lo/Hi or relay setpoint SHORT/OPEN.
For external changeover of Pa/Torr, turn OFF JSW1 of the DIP switch.
For external changeover of Ar/N
2
, turn OFF JSW2 of the DIP switch.
For exchange of external signals is used the OUTPUT connector on the rear panel.
Table. 4-1 I/O Connectors
Pin No. Signal PinNo. Signal
1 REC OUT (+) 20 REC OUT (–)
* 2 Ar/N
2
(INPUT) 21 Mantissa part A 1 (
OUTPUT
)
• N
2
Lo/SHORT 22 Mantissa part A 2 (
OUTPUT
)
• N
2
Hi/OPEN 23 Mantissa part A 4 (
OUTPUT
)
3 24 Mantissa part A 8 (
OUTPUT
)
4 GND 25 Mantissa part B 1 (
OUTPUT
)
5 /– (OUTPUT) 26 Mantissa part B 2 (
OUTPUT
)
• + Lo 27 Mantissa part B 4 (
OUTPUT
)
• – Hi 28 Mantissa part B 8 (
OUTPUT
)
6 Strobe 29 RS-232C SD
7 Exponent part C 1 (
OUTPUT
) 30 RS-232C RD
8 Exponent part C 2 (
OUTPUT
) 31
9 Exponent part C 4 (
OUTPUT
) 32 SETPOINT-1 NO
10 Exponent part C 8 (
OUTPUT
) 33 SETPOINT-1 COM
11 34 SETPOINT-1 NC
12 35 ERROR NO
* 13
Pa
／
Torr
・
Torr Lo/SHORT
・
Pa Hi/OPEN
36 ERROR COM
14 SETPOINT-2 NO 37 ERROR NC
15 SETPOINT-2 COM
16 SETPOINT-2 NC
17 SETPOINT-3 NO
18 SETPOINT-3 COM
19 SETPOINT-3 NC
* Pa/Torr, Ar/N
2
changeover function is effective only when the DIP switch is OFF.
Refer to 3.2 "How to set the DIP Switch".