Справочник Пользователя для Mitsubishi Electronics A1SJ61BT11

 
 

 

7 - 19 

7   DATA LINK PROCEDURE 

MELSEC-QnA 

 

7.8 Checking the Connection Condition (Line Test) 

The Line Test is performed after all modules are connected with CC-Link dedicated 
cables to check if the connection is correctly established to perform data link with each 
remote, intelligent device, local, and standby stations. 

 

POINT 

 

Line Test 2 is performed when an error has occurred in Line Test 1. 
Therefore, there is no need to perform Line Test 2 if no error was detected in Line Test 1. 

 

7.8.1 Checking connection and communication status with remote station/local 

station/standby master station (line test 1) 

Confirms if data link can be performed normally with all (64 stations) the remote, local, 
and standby master stations. 
Perform Line Test by following the procedure below: 

 

Continued to the next page

Start

Set the master module's "mode setting switch" 
to "3". 

The test is started after approximately four 
seconds.  (The "TEST" LED turns on.)...Only AJ61QBT11

For AJ61QBT11: 

Po

we

r s

u

pp

ly

QnACPU

AJ61

QBT11

For A1SJ61QBT11:

Operate the RUN/STOP key switch and the 
RESET key switch of QnACPU in the following 
procedure: 

P

o

we

r supply

Q2ASCPU

A1S

J61

QBT11

Operate the RUN/STOP key switch of the 
Q2ASCPU in the following procedure: 

STOP

STOP

RESET

Set the RUN/STOP key 
switch to "STOP".

Reset the module using the 
RESET key switch.

.........Set "0 (online)" at local stations.