Rockwell Automation 57C421B Pulsetach Input Module/DCS 5000/AutoMax - Manual (Page 19)

3Ć5
12 14 2 15 17 3 18 20 4
+12
V
or
+5
V
PULSE
ENCODER
VCC
GND
PULSET
ACH
INPUT
MODULE
+12
V
INPUT
A
SIGNAL
A
A
SIGNAL
A
OPTIONAL TERMINA
TION
RESISTOR
VCC VCC
B B
SIGNAL
B
SIGNAL
B
SIGNAL
Z
SIGNAL
Z
Z Z
OPTIONAL TERMINA
TION
RESISTOR OPTIONAL TERMINA
TION
RESISTOR
+5
V
INPUT
+12
V
INPUT
+5
V
INPUT
+12
V
INPUT
+5
V
INPUT
681 681 681
221 221 221
681 681 681
Figure 3.2 Ć Typical Pulsetach Connections for a 5 or 12 VDC Differential Input