4-2
Section 4 Installation and Wiring
4-1-2 Before installation
(1) Check the product
When you unpack the product, check to see
1) That the product is as ordered, and
2) That the product is not damaged, and
3) That accessories are included as specied.
(2) Operation check of the main unit
This check is performed to see that the product you received operates normally before it is installed in the control panel.
The purpose of this check is to detect as early as possible any defects that might have occurred in the product during
transportation. Therefore, it is recommended that you perform this check for sure.
1) Wiring the power terminals
2) Checking PLC operation using a test program
Load the following program into PLC internal memory and test PLC operation. If the PLC operates normally, proceed to the next
step (installing the PLC in a control panel). If the PLC does not operate normally, ensure the power supply connection, power
voltage, and the program are correct.
Notes:
Specify addresses that conform to the user’s PLC.
Ladder representation
Program
%IX0.0.0%QX0.4.0
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