P
P
.
'-,
r-.
L
C.-
LI
c-
c
4.
SETTINGS
AND
PWCEflWI.ESmBEWRE
OPERATION
46
Self-loopback
Test
MELSEGA
The self-loopback test function is used (when the AJ71C24 is not connected
to the computer) to check that the AJ7C24 module is operating normally. This
function is selected
by
setting the mode setting switch to
"F".
4.6.1
Procedure
to
cany
out
the
#loopback
test
The procedure to carry out the self-loopback test is as follows:
Step 1 Connect the cables
Connect cables to the RS-232C and RS-422 connectors as shown
below.
M71
C24
Signal
Pin
numkr namn
Cablo
Connectlonr
I
FG
I
1
I
.
SD
3
RD
2
cs
RS
I
DSR
6
SG
7
CD
DTR
20
I
-
8
1
-
1
RS-422
Cablo Connoctionr
AJ71
C24
Cablo
SI
nal Names
Connoctionr
RDA
RDB
I
SO
FG
Step 2 Set
the
mode setting switch
Set the mode setting switch
to
"F"
to select the self-loopback test.
(Section 4.3.1 tells details of how to set this switch.)
P
4-
17
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
