User manual

46
10.3 Control
Problem Presumed cause and solution
Temperature does
not rise.
• The sensor is out of order.
Replace the sensors.
• Check whether the sensor is securely mounted to the
instrument input terminal.
Check whether control output terminals are securely
mounted to the actuator input terminals.
Mount the sensor or control output terminal securely.
• Check whether the wiring of sensor or control output terminals
is correct.
The control output
remains ON status.
• OUT1 low limit value is set to 100% or higher in Auxiliary
function setting mode 2.
Set it to a suitable value while in Auxiliary function setting
mode 2.
The control output
remains OFF status.
• OUT1 high limit value is set to 0% or less in Auxiliary
function setting mode 2.
Set it to a suitable value while in Auxiliary function setting
mode 2.
If any unexplained malfunctions occur, make inquiries at our agency or us.
11. Character table
Photocopiable material
[Main setting mode]
Character Setting item Default value Data
SV1 0
SV2 0
[Sub setting mode]
Character Setting item
Default value Data
AT
Auto-reset
OUT1 proportional band 10
OUT2 proportional band 1.0 times
Integral time 200 seconds
Derivative time 50 seconds
ARW 50%
OUT1 proportional cycle
Relay contact output: 30sec
Non-contact voltage output: 3sec
OUT2 proportional cycle
Relay contact output: 30sec
Non-contact voltage output: 3sec
A1 value 0
A2 value 0
HB (Heater burnout alarm) value 0.0A