Logic control, Logic control -33 – CONTREX ML-TRIM User Manual

Page 67

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LOGIC CONTROL

This section addresses the four digital inputs and one digital output that control the
ML–Trim's operating state.

The four digital inputs are F–Stop, R–Stop, Run and Jog. When the ML–Trim is
powered up, it defaults to R–Stop. If either Run or Jog have been hardwired, the
ML–Trim will operate in either Run or Jog instead of R–Stop. Run is hardwired by
shorting Run, R–Stop and F–Stop to common. Jog is hardwired by shorting Jog,
R–Stop, and F–Stop to common.

The motor drive is activated by the Drive Enable digital output. The sections that follow
demonstrate how to use the digital inputs and the Drive Enable output.

Caution

Do not use the AC line power
to start or stop the system.
Use the Digital Inputs to start or stop
the system.

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