Chapter 6 - Hardware Reference

6-5

Step, Direction, and Shutdown Inputs

Fault Output

2.2n 50V
COM
COM
237
4.99K 4.99K +5V
4.99K
AM26LS32
DIFFERENT IAL
DRIVER
STEP-
DIR-
SD-
STEP+
DIR+
SD+

Single-Ended

Installation

Application Notes:

1.When wiri ng TTL signals to oth er manuf acturer’s indexers, the Step TTL comm and signal s from

the contro ller shoul d be wired to Step +, the Direc tio n si gnal to Dir +, and the Shutdown sig nal

to SD + (Step -, Dir -, and SD - should not be connected). Remember to connect commons.

2.Activating the Shutdown input (logic low) disables the drive amplifier and de-energizes the motor.

When this input is off (logic high) the drive is enabled and the motor is energized.

external
Impulse internal
Impulse internal
external

Differential

Installation

2.2n 50V
237 4.99K
4.99K
4.99K
COM
COM
COM
+5V STEP-
DIR-
SD-
STEP+, DIR+, SD+
SINKING
OUTPUT
COM
237
+5V
FAULT
FAULT+
FAULT-
4N35
NC
FAULT+ FAULT-
FAULT+ FAULT-
EQUIVALENT
CIRCUITS
external
Impulse internal
Drive Fault e d
No Fault Present