SimStep Manual - 3400 Iss. D 7
th
June 2004 page 17
6 MSE570 Stepper Drive
The MSE570 stepper drive translator is a 3.5A per phase bi-polar stepper drive.
The clock and direction signals from the PM600 controller are converted into chopped,
constant current drive levels to energise a bipolar stepper motor.
The step sequence is set to
half step
. Using a hybrid type stepper motor, 400 steps per
revolution will be obtained.
A thermal sensor protects the output devices in case of overheating. If the drive
temperature exceeds 80° C, the thermal sensor will operate. With the switch settings
shown below, the drive is disabled (SW1-1=on) and the condition is latched (SW1-2=on).
The latched condition can only be reset by removing the power.
Fig. 6.1 MSE570 Set-up Switches
6.1 General Set-up:
1
4
3
2
DT
OnOff
SS
CC
LT
Disable on Overtemperature - on
Latch Overtemperature - on
Slave Sync – off
Current Control Type - slow
SW1
6.2 Current Setting
As delivered the motor phase current is set to 3.5A/phase.
1
4
3
2
OnOff
SW2
SW2
SW1
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