Rockwell Automation 1746-HSTP1 Stepper Controller Module/ User Manual - Manual (Page 23)

Publication 999-121 - December 1999
2-6 Installation and Wiring
Figure 2.4 TTL Interface
Typical Input Circuitry Two basic circuits are used for inputs to the Module. One type is the
direct input circuit for home limit switches, overtravel limits, and
interrupt devices. The second type is for encoder inputs. Both circuits
are shown below.
Figure 2.5 Direct input equivalent circuit
16 AWG
5V
(-) (+)
7-24V DC
(+) (-)
Driver
Stepper Controller
1
2
3
4
5
18
Voltage
Regulator 5V DC
External Internal
16 AWG
Typical Input Connection
(Refer to page 6-6)
Electrical Cabinet
Ground Bus
2.2K