USER MANUAL Manual

Serial and Parallel Port ExamplesF–2
Publication 2706-807 – July 1998
RS-485 Serial Triggering Example
This example shows serial triggering of the DL40 Plus through the
RS-485 port using Channel 0 of an SLC. A PLC with Channel 0
could also be used.
<END>
ASCII Handshake Lines
Channel 0
AND Mask 0000h
OR Mask 0002h
Control R6:1
Channel Status 001Eh<
Error 0<
<ER>
Timer On Delay
Timer T4:0
Time Base 1.0
Preset 1<
Accum 0<
T
h
i
s p
ro
g
ram
continuou
s
l
y s
end
s
t
h
e
content
s
of
t
h
e
s
trin
g
file
S
T
9
:
0
out
the Channel 0 port of the SLC to the RS-232 port of the DL40 Plus.
TON
0000
AHL
0001
0004
T4:0
DN
T4:0
<EN>
<DN>
<EN>
<DN>
DN
ASCII Write
Channel 0
Source ST40:0
Control R6:0
String Length 0<
Characters Sent 25<
Error 0<
<ER>
AWT
0002
T4:0
<EN>
<DN>
DN
ASCII Handshake Lines
Channel 0
AND Mask 0002h
OR Mask 0000h
Control R6:2<
Channel Status 001Dh<
Error 0<
<ER>
AHL
0003
T4:0
<EN>
<DN>
DN
R6:0
EM