MKS 647C, Instruction Manual, Page: 48 / 57

6. Pin Assignment of rear connectors 647C
44
6.3 RELAYS connector
Two relays are available for each channel. The relay data are:
- type of relay:
- max. switch voltage:
- max. power:
– max. switch load:
- max. response time: 1 switch with n.o. and n.c.
position (SPDT)
100 V
3 W
250 mA
55 ms
Sub-D female 25 pol.
relay 11, nc 1
14 relay 11, cmn
relay 11, no 2
15 relay 12, nc
relay 12, cmn 3
16 relay 12, no
relay 21, nc 4
17 relay 21, cmn
relay 21, no 5
18 relay 22, nc
relay 22, cmn 6
19 relay 22, no
relay 31, nc 7
20 relay 31, cmn
relay 31, no 8
21 relay 32, nc
relay 32, cmn 9
22 relay 32, no
relay 41, nc 10
23 relay 41, cmn
relay 41, no 11
24 relay 42, nc
relay 42, cmn 12
25 relay 42, no
chassis 13
legend: nc = normally closed
no = normally open
cmn = common pin
relay 12 = relay 2 of channel 1
Figure 26