19
Installation specifications
Power supply
100 to 240V AC 50/60Hz,
24V AC/DC 50/60Hz
Allowable voltage range
85 to 264V AC,
20 to 28V AC/DC
Power consumption
Approx. 6VA
Ambient temperature
-5 to 55
(23 to 131 )
Ambient humidity
35 to 85%RH (Non-condensing)
Weight
Approx. 120
g
Mounting
DIN rail mounting
External dimensions
W22.5 x H75 x D100mm
Attached function
•
Power failure countermeasure
:
The setting data is backed up in the non-volatile IC memory.
•
Self-diagnosis
:
The CPU is monitored by a watchdog timer, and if an abnormal status is found
on the CPU, the unit is switched to warm-up status with all outputs off.
10. Troubleshooting
10.1 Indication
Problem
Presumed cause and solution
Input display is flashing
"
" or "
".
• The sensor may be burnt out.
Change each sensor.
• Check whether the sensor is securely connected to the input
terminals of the instrument.
Ensure that the sensor terminals are securely connected
to the input terminals of the instrument.
• Check the input signal source.
The indication of the Input
display is irregular or
unstable.
• Check whether the sensor correcting value is suitable.
Set it to a suitable value.
• There may be equipment that interferes with or makes
noise near the unit.
Keep equipment that interferes with or makes noise
away from the unit.
10.2 Key operation
Problem
Presumed cause and solution
Setting or adjustment is
not possible.
• “Lock” has been selected during Set value lock selection.
Select “Unlock”.
10.3 Operation
Problem
Presumed cause and solution
Input value does not
change.
• The sensor may be out of order. Change the sensor.
• Check whether input and output wires are securely
connected to the Input/Output terminals of the instrument.
Ensure that input and output wires are securely connected
to the Input/Output terminals.
• Check whether the wiring of input and output is correct.
No output
• Check whether Output 100% and Output 0% value have
been set to suitable values.
• Check whether Output type and Output Normal/Reverse have
been selected correctly during Output type and Output
Normal/Reverse selection.