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Node address switches, Devicenet compatibility – Rockwell Automation 193-EC4 EC4 Current Monitoring Relay User Manual User Manual

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Rockwell Automation Publication 193-UM011A-EN-P - September 2010

15

Product Overview Chapter 1

Test

: If

Test Enable is enabled, the trip relay contact will open if the EC4

Current Monitoring Relay is in an un-tripped condition and the
Test/Reset button is pressed. The Test/Reset button must be pressed for a
minimum of 2 seconds to activate the test function.

Reset

: The trip relay contact will close if the EC4 Current Monitoring

Relay is in a tripped condition, the cause of the trip is no longer present,
and the Test/Reset button is pressed.

Node Address Switches

The node address switches located on the front of the EC4 Current Monitoring
Relay provides physical means for setting the device node address value. Switch
settings greater than 63 allow the node address to be software configured.

DeviceNet Compatibility

The EC4 Current Monitoring Relay supports the following DeviceNet
functionality:

• Polled I/O messaging
• Change-of-state / cyclic messaging
• Explicit messaging
• Group 4 off-line node recovery messaging
• Full parameter object support
• Auto-baud rate identification
• Configuration consistency value
• UCMM (Unconnected Message Manager)
• DeviceLogix component technology

Flash Memory

The EC4 Current Monitoring Relay incorporates flash memory. This facilitates
updating of the product firmware as new revisions are released.

ATTENTION: The “Test” function associated with the Test/Reset
button is enabled by default. Activating it while a motor is
operating will cause the starting contactor to drop out and stop
motor operation.