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Topics - raan

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16
Technical support / RTC
« on: November 23, 2003, 04:52:51 PM »
Hola
I have tried to set the RTC on the plc and when I execute the command nothing happens. I tried reset when doing real time monitoring still nothing happens. The pwm program running on the plc is functioning fine.
raan

17
Technical support / PLC comm problem/ PLC Inoperative
« on: November 26, 2003, 06:09:09 PM »
I have been working on a pwm motor control project for an electric  vehicle for the physically limited and have been disconnecting power to the plc since the plc normally runs on batteries which  also power the drive motors.  The PLC has been retaining the program and works fine after reconnecting the batteries. However the last time I reconnected the plc would not communicate nor would it execute the program. The red led below the rtc led is on. I believe it is the pause light. Any ideas on to restore the plc back to health?
raan

Pages: 1 [2]