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Test Run; Check Points Before Test Run - Mitsubishi Electric MELSEC-A Series User Manual

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7. TEST RUN
MELSEC·A
7
TEST RUN
7.1
This section describes check points before test run and test run procedures.
Check Points before Test Run
Table 7.1 shows the check points to be confirmed before conducting a test
run.
Table 7.1 Check Points before Test Run
I
Module
Check Point
(1) RAM/ROM selting should be correct.
(2) The EP-ROM should be installed securely to lhe ROM socket. (when the EP-ROM Is used)
(3) The memory protect switch should be set at OFF.
(4) The battery (A6SAT) lead connector should be connected securely with the battery
connector on the PC board.
CPU module
(5) Battery voltage should be within specified range. (Nominal: 3.6
V)
(6) Voltage setting of the power supply module should conform to supplied voltage.
(7) Wiring of the FG and LG terminals should be correct.
(8) Terminal screws should be tight.
(9) Connecting cables should use wires of correct size.
(1) Voltage setting of the power supply module should conform to supplied voltage.
Power supply
(2) Wiring of the FG and LG terminals should be correct.
module (A66PC)
(3) Terminal screws should be tight.
(4) Connecting cables should use wires of correct size.
(1) Cables connected to the terminals on the terminal block should correspond with signal
names.
(2) Terminal screws should be tight.
A2C I/O module
(3) Connecting cables should use wires of correct size.
(4) The external power supply should be connected correctly. (24 VDC and olhers)
(5) Station numbers should be set correctly. (Set range: 1 to 61)
(1) Switches should be set correctly.
Special function
(2) Cables connected to the terminals on the terminal block should correspond with signal
names.
module
(3) Terminal screws should be tight.
(4) Connecting cables should use wires of correct size.
7-1

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