Operating instructions

13. Step Motor Output

13.1 Programing Switches on the Front

Caution Current !

The three gravity switches are not to be adjusted when under current.

Before adjustment the main switch must be turned off.

–

The three gravity switches for step count and current reduction

must be open.

–

The dial must be in position

13.2 Displays on the Front

The five LEDs on the step motor card show operating status and

malfunctions.

LED 1 (green)

Readiness

lit in as far as there is no malfunction

LED 2 (red)

Short circuit

lit with a short circuit between two motor phases

LED 3 (red):

Excess temperature

lit with a heat sink temperature > 75°

LED 4 (red)

Overvoltage

lit with operating voltages > 140 V VDC

(in braking operation)

LED 5 (red)

Undervoltage

lit with operating voltages < 80 V VDC

The step motor runs only when the is no fault in the step motor output.

A fault is displayed as follows:

–

The motor is switched currentless.

The green LED 1 goes out.

–

The fault is shown in that the appropriate red

LED 2 - 5 is lit.

After the malfunction is corrected the malfunction indicator is is

turned off by switching the main switch off and on.