99
SC-F70
SC-F70
PID Operation Operating Instructions
7.6 Area Switching External Contact
Problems
When an area switching operation works correctly in LOC mode but not
in REM mode using external contacts, refer to this guide.
Action
Analysis
1. Ensure your controller is equipped with the remote
area switching feature.
Model code = SC-F70- *D
The second-to-last digit should be a D.
2. Check that the setting in item 1 of the parameter PG06
is correct. See page 76.
3. Measure the voltages of the contacts on the back panel
terminals.
∑
If the code is different, this
function cannot be used.
12
13
14
15
16
Di1
COM
(-)
Di2
Di3
Di4
Measure between the common and Di1 to Di4 while
opening or closing each contact point.
∑
If the setting is incorrect,
correct it.
About DC 5V
or higher
About DC 2V
or lower
Contact open
Contact closed
∑
If the measured voltages for all
points are correct, have the
controller serviced.
∑
If any measured voltages are
incorrect, have the external
contacts or cables serviced.