A-1
APPENDIX A: CONNECTORS
MAXIMUM VOLTAGE/CURRENT. The maximum voltage
that may be applied to any connector on the M218, M219, or
M220 is 200 VDC, 125 VAC rms, or 175 VAC peak--these
limits apply only if the product is installed in a humidity-
controlled (<60% RH) environment where airborne
contaminants and transients are controlled, and there is NOT
a relay connection made to power mains. If these conditions
CANNOT be maintained, then the maximum voltage is 60
VDC, 48 VAC-rms or 68 VAC-peak.
The maximum current (non-inductive) that may be applied to
the M218, M219, or M220 is:
Per Switch: 2 ADC, 2 AAC peak
Per Module: 8 ADC, 8 AAC peak
Pin #
Use
Pin #
Use
Pin#
Use
1
CH0_NO
16
CH0_COM
31
Chassis
2
CH1_NO
17
CH1_COM
32
Chassis
3
CH2_NO
18
CH2_COM
33
Chassis
4
CH3_NO
19
CH3_COM
34
Chassis
5
CH4_NO
20
CH4_COM
35
Chassis
6
CH5_NO
21
CH5_COM
36
Chassis
7
CH6_NO
22
CH6_COM
37
Chassis
8
CH7_NO
23
CH7_COM
38
Chassis
9
CH8_NO
24
CH8_COM
39
Chassis
10
CH9_NO
25
CH9_COM
40
Chassis
11
CH10_NO
26
CH10_COM
41
Chassis
12
CH11_NO
27
CH11_COM
42
Chassis
13
CH12_NO
28
CH12_COM
43
CH15_NO
14
CH13_NO
29
CH13_COM
44
CH15_COM
15
CH14_NO
30
CH14_COM
Figure A-1. Front Panel I/O Signals
C&H Technologies, Inc. <> 445 Round Rock West Drive <> Round Rock, Texas 78681 <> www.chtech.com
Summary of Contents for M218
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