Rockwell Automation 1398-DDM-xxx USE MNL/ULTRA 200 DIG.SERVO.DR - Manual (Page 87)

Publication 1398-5.0 – October 1998
Interfaces 6-23
Figure 6.27 Single-Ended Encoder Interface via Standard TTL Signals
(not recommended)
Figure 6.28 Single-Ended Encoder Interface via Open Collector Transistor
with 5 VDC to 12 VDC Pull-up (not recommended)
twisted pair
twisted pair
Ch B
ENCODER
BX+
BX-
16
J1 Drive
Ch A
AX+
AX- 14
Drive Chassis Encoder Case
4
2
+5V
Supply
Return
+5 Volts
1
3
+5V
Supply
+5VDC Connect only if J1 sources Encoder power.
5V @ 250 mA
ECOM
74xx
TTL Output
74xx
TTL Output
Ch I
IX+
IX-
18
74xx
TTL Output
twisted pair
twisted pair
Ch B
ENCODER
BX+
BX-
16
J1 Drive
AX+
AX- 14
Drive Chassis Encoder Case
Ch A
5-12 Volts
5-12 Volts
4
2
+5V
Supply
Return
ECOM
Ch I
IX+
IX-
18 5-12 Volts