Chapter 6 - Hardware Reference

6-4

Impulse I/O Schematics

Digital Inputs

Digital Out put

+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