Rockwell Automation 1747-PCIL Chassis Interface Module for 1746 Local I/O - Manual (Page 4)

4 Chassis Interface Module for 1746 Local I/O
Publication 1747-5.32–April 1998
Setting the Jumper
The adapter has three separate jumpers on board.
Last State Jumper
This jumper defines the state of I/O in case of a communication failure.
You must set the jumper to one of the following two settings:
• Last State –When communication with the scanner is lost (for
example, the cable is unplugged or the computer is turned off),
the 1746 I/O will hold their last state.
• Reset – When communication with the scanner is lost,
the 1746 I/O will be reset.
Watchdog Jumper
This jumper is internally connected to the watchdog connector. A detailed
explanation of this jumper’s usage is on the next page.
Last State Jumper
Watchdog Jumper User Jumper
Watchdog Connector
(Internally connected to
the watchdog jumper