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APPENDIX A: CONNECTORS
MAXIMUM VOLTAGE/CURRENT: The maximum
voltage that may be applied to any connector on the M222 is
125 VDC, 141 VAC rms, or 200 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, 43 VAC rms or 68 VAC peak.
The maximum current (non-inductive) that may be applied to
the M222 is:
Per Switch: 5 ADC, 5 AAC peak, 100W DC, 100VA AC
Per Module: 300W DC, 300VA AC
Pin #
Use Pin #
Use Pin#
Use
1 CH0_NC 16 CH0_NC 31 CH0_NC
2 CH0_COM 17 CH0_COM 32 CH0_COM
3 CH0_NO 18 CH0_NO 33 CH0_NO
4 CH1_NC 19 NC 34 CH1_NC
5 CH1_COM 20 CH1_NC 35 CH1_COM
6 CH1_NO 21 CH1_COM 36 CH1_NO
7 NC 22 CH1_NO 37 CHGND
8 CH2_NC 23 CH2_NC 38 CH2_NC
9 CH2_COM 24 CH2_COM 39 CH2_COM
10 CH2_NO 25 CH2_NO 40 CH2_NO
11 CH3_NC 26 NC 41 CH3_NC
12 CH3_COM 27 CH3_NC 42 CH3_COM
13 CH3_NO 28 CH3_COM 43 CH3_NO
14 CHGND 29 CH3_NO 44 CHGND
15 CHGND 30 CHGND
NC = No Connection
Figure A-1. Front Panel I/O Signals
C&H Technologies, Inc. <> 445 Round Rock West Drive <> Round Rock, TX 78681 <> www.chtech.com