1-17
MVS-8000X/7000X
1-7.  Input/Output Signals of Connectors
The input/output signals of the connectors at the rear panel 
are as follows.
GPI 1, 2 
*
 : (D-sub 25-pin, Female)
* GPI 2 is not supported
INPUT x 8, TTL
OUTPUT x 4,  relay contacts 30 V/0.1 A
(resistive load)
OUTPUT x 4, open collector 30 V rated voltage
(External view)
113
1425
Pin No. Signal Name Function
1 GND Ground
2 GND Ground
3 GPI IN 2 General-purpose input
4 GPI IN 4
5 GPI IN 6
6 GPI IN 8
7 GPI OUT 1B General-purpose relay
output (B) 
(*1)
8 GPI OUT 2B
9 GPI OUT 3B
10 GPI OUT 4B
11 GPI OUT 6 General-purpose open collector 
output 
(*2)
12 GPI OUT 8
13 GPI OUT 
COM
Ground for open collector output
14 GND Ground
15 GPI IN 1 General-purpose input
16 GPI IN 3
17 GPI IN 5
18 GPI IN 7
19 GPI OUT 1A General-purpose relay output (A) 
(*1)
20 GPI OUT 2A
21 GPI OUT 3A
22 GPI OUT 4A
23 GPI OUT 5 General-purpose open collector 
output 
(*2)
24 GPI OUT 7
25 GPI OUT 
COM
Ground for open collector output
n
A and B of the same number constitute a pair of relay 
contacts.
GPI OUT x B
GPI OUT x A
+V
x : 1-4
GPI OUT 5-8
(*2) <Open collector output>
(*1) <Relay>
GPI OUT COM