Ametek Chandler Engineering 4207D, Руководство по эксплуатации

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4-2 SECTION 4 – TROUBLESHOOTING GUIDE
Symptom Reason Action
With zero load, adjust the
OFS.1 offset value in the
controller IP menu until the
value agrees with the load
display.
Control program does not end
when a cube fails. Controller “rate of change” set
point is incorrect. Set the set point value for alarm
4rat to 5500 or higher.
Sample fails prematurely. Initial sample load is excessive. Check the adjustment of the top
platen limit switch. Adjust the
top platen control switch to
close before brass platen
touches the top platen. Verify
the time delay relay is set to
approx. 20 seconds.
Sample was not placed in the
center of the platen. Relocate the sample and repeat
the test.
Serial communication problems. Incorrect cable. Verify the serial communication
connections.
Controller or display is not
configured for serial
communication. Insert communication module
and reconfigure the controller
for Modbus communication
with I/O address = 1. Display
I/O address = 2.