Hardware Test - Mitsubishi Electric MELSEC-Q Series User Manual

11.5

Hardware Test

A master/local module is individually tested to check whether it normally operates.
(1) Performing the hardware test
Terminating
resistor
Example
Universal
model QCPU
324
DA
DB
Example High Performance
model QCPU
1.
Connect the terminating resistor provided with the
master/local module between the DA and DB
terminals on the terminal block of the master/local
module.
2.
Before power-on, check the following.
• Module mounting status
• Input power supply voltage
• The CPU module is set to STOP.
• The CPU module is not set to RESET.
3.
Set the transmission speed/mode setting switch on
the master/local module to any of A to E.
When setting the switch from A to E, set the same
transmission speed as that of during system operation.
( Page 21, CHAPTER 2)
4.
Reset the CPU module or power off and on the
system.
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