Table of Contents
Advertisement
INSTALL F4-4LTC IN CPU BASE
There can be up to 8 Four Loop Temperature Controllers per system. The temperature controller must
be installed in the CPU base.
LED STATUS INDICATORS
TB
On when I/O terminal block is loose or missing.
24V
On if no external 24 VDC power or if analog circuit
failed.
RUN
This LED toggles every second under normal
operation.
OK
On after Controller completes self diagnostics.
OUT
On when corresponding heater Output is on.
AT
On when corresponding loop is Auto Tuning.
HB
On when corresponding Heater Burn-out has been
detected. When a user supplied current
ttransformer is connected, both shorted (current
when output is off) and open (current does not flow
when output is on) heater loads are detected.
ALM
On when corresponding loop has a temperature
Alarm condition. Possible alarms are temperature
high, temperature low and temperature has
exceeded the deviation limit from the programmed
temperature SetPoint.
INSTALLATION AND WIRING
2.3
Advertisement
Table of Contents
