160 Rockwell Automation Publication 193-UM015E-EN-P - October 2015
Chapter 5 Operating Modes
Figure 61 - Overload (Operator Station) DeviceLogix Program
Timing Diagram
Figure 62 - Overload (Operator Station) Timing Diagram
Overload (Local I/O)
The E300 relay’s Operating Mode Overload (Local I/O) (Parameter 195 = 35)
operates as a traditional overload relay with one output relay that is assigned as a
normally closed trip relay or a normally open control relay. The Overload (Local
I/O) operating mode is used for standalone applications or automation systems
that do not use an E300 Operator Station. You can use the digital inputs of the
E300 for the motor control logic of an automation controller. The automation
controller can use network commands to control the control relay or any of the
remaining output relays that are assigned as Normal output relays. The reset
button of the E300 Operator Station is disabled, and a digital input that is
assigned as a trip reset is required.
Rules
1. Available for Control Module firmware v5.000 and higher.
2. One output relay must be assigned as a trip relay or control relay. Set any of
the
Output Ptxx Assignments (Parameters 202…204) to Trip Relay or
Control Relay.
3. Overload Trip must be enabled in TripEnableI (Parameter 183).
4. Operator Station Trip must be disabled in TripEnableC (Parameter 186).
Trip Relay
Trip Reset
Device
Status0.Trip
Present
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