Ametek Gemco 952CP Ram-Set Manuel d'installation et d'entretien - Page 17

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Outputs will not operate or continuously stay on.

Problem:

Output interface wire(s) disconnected, output driver blown, CPU problem or blown fuse on output module. Check all

Cause:

wire connections and output fuse. If check out proceed as follows:

To check up and down relays put keyswitch in jog mode. With a digital volt meter check between GND and

up/down terminals on output board. There should be a presence of 25 to 28VDC across these terminals. Depress the up/down

button of keypad, the output voltage should drop to around .7VDC. If no voltage is present across GND and up/down terminals,

the driver outputs from the controller are blown or an internal processor error has occurred.

To check "run" contact put keyswitch in stand-by mode. Check voltage across GND and run terminals on

output board. (See (A) for cause of errors).

To check "in position" contact put keyswitch in stand-by mode. Depress the die # key (which will display last

used die number and shut height), jog system to this shut height. The in position, L.E.D. on keypad will light. Now check voltage

between GND and in position terminal on output board. (See (A) for cause of error).

Problem: Ram-Set controller display blank and outputs not operating.

Fuse blown inside Ram-Set controller. Remove back plate and examine fuse on power supply board.

Cause:

Problem: Controller displays meaningless data. Outputs may or may not operate properly.

Cause:

Controller mounted in a high shock and/or vibration environment causing intermittent connections.

Controller operating in a high electrical noise environment.

Problem:

Cause:

Improperly connected cable shield or high power AC wiring running in same conduit with transducer cable. It

is always a good practice to isolate programmer wiring from other machines.

Installation and Maintenance Manual

Chapter 4: Maintenance and Trouble Shooting