124
Performing Self-test
VS-606V7 is provided with a function to perform self-diagnosis for
operation check of the serial communication I/F circuit. This function
is called self-test. In the self-test, connect the sending terminal with the
receiving terminal in the communication section. It assures if the data
received by VS-606V7 is not being changed. It also checks if the data
can be received normally.
Carry out the self-test in the following procedure.
1. Turn ON the VS-606V7 power supply. Set constant n056 to 35
(self-test).
2. Turn OFF the VS-606V7 power supply.
3. Make the following wiring with the power supply turned OFF.
4. Turn the power ON.
Normal operation: Operator displays frequency reference value.
Faulty operation: Operator displays , fault signal is turned ON and
Inverter ready signal is turned OFF.
R-
P2P1
R+
S7
S4
SC
S-
PC
S+
(Note: Select NPN side for SW1.)
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