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Chapter 6 - Hardware Reference
6-4
Impulse I/O Schematics
Digital Inputs
Digital Output
+5V
1K
1K
4.99K
TO COMMON
COM
AM26LS32
IN1_BUF
COM
IN1/IN2
+5V
Inputs 1, 2
Inputs 3, 4
external
external
Impulse internal
Impulse internal
+5V
1K
CMPD914
4.02k
COM
IN3/IN4
COM
LIMIT
SWITCH
external
Impulse internal
+ANA
OUT
2.43K
MMBT2222ALT1
COM
TO PULLUP COMMON
OUT
10K
PULL-UP +5V, +12V, or 24V
SOURCING
INPUT
RELAY
COIL
COM
OR