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1.4 Specifications

1.4.2 Electrical

Electrical characteristics
  24 Volt TTL
Voltage sense:
logic 0 4Vdc 2Vdc
logic 1 17Vdc 3.5Vdc
Input characteristics
number of inputs 32 32
input resistor 10k 1/2W 1k 1/2W
Maximum voltage across
input without damage
  70 Vdc 20 Vdc
  140 Vac, rms 40 Vac, rms

Delay times:
open-to-closed: 10 msec.
closed-to-open: 10 msec.
Isolation voltage:
system-to-field: 500 Vdc
channel-to-channel: 300 Vdc
Environmental conditions:
operational temperature: 0 - 70 degrees C
maximum operating humidity: 90%

CC92 - Isolated Digital Input Board - 3 OCT 1996
Copyright © 1996 Compcontrol, Inc.

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