Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual - Manual (Page 91)

Publication 1398-5.2 – PDF 1997
Interfaces 6-27
Figure 6.32 External Step/Direction Interface via TTL Differential
Line Drivers
Figure 6.33 External Step/Direction Interface via Single-Ended
TTL Line Drivers (not recommended)
Figure 6.34 External CW/CCW (Step Up/Step Down) Interface via TTL
Differential Line Drivers
(sheet 1 of 2)
TTL
USER
Step+
Step-
14
15
J1
twisted pair
Dir+
Dir- 16
17 twisted pair
Drive Chassis
Differential
Line Drivers
ELECTRONICS
Step
Step
Dir
Dir
+
-
+
-
twisted pair
Encoder Case
2
4
+5V
Supply
Return
+5 Volts
1
3 +5V
Supply
+5VDC
5V @ 250 mA
ECOM
For horizontal dashed lines,
connect only if J1 sources +5VDC power to
twisted pair
twisted pair
USER
Step+
Step-
14
J1 Drive
Dir+
Dir- 16
Drive Chassis
2
4
+5V
Supply
Return
1
3 +5V
Supply
+5VDC
Connect only if J1 sources +5VDC power to user electronics.
5V @ 250 mA
ECOM
ELECTRONICS
Step
Dir
-
+
-
+
+5 Volts
TTL
USER
CW+
CW-
14
15
J1 Drive
twisted pair
CCW+
CCW- 16
17
twisted pair
Drive Chassis
Differential
Line Drivers
ELECTRONICS
CW+
CW-
CCW+
CCW-
+
-
+
-
twisted pair
2
4
+5V
Supply
Return
+5 Volts
1
3
+5V
Supply
+5VDC
5V @ 250 mA
ECOM
For horizontal dashed lines,
connect only if J1 sources +5VDC power
to user electronics