Instruction manual

122

 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+

S-

S+

(Note: Select NPN side for SW1.)