Rockwell-automation 2706-LSW DL40 PLUS OFFLINE PROG.SFTWR.USER MANUAL Manual de usuario Pagina 9

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1–2 Overview of the DL40 Plus
Publication 2706-6.2
RS-485/RS-232 Communications
Both the Remote I/O and Parallel Port versions have RS-485 and
RS-232 ports. You can configure these ports for Programmer, DL
Slave or Open Protocol communications (see table below). Port
settings are modified through the Ports menu in the Offline
Programming software or the Onboard Editor. You select a
communication option under the Port Use submenu.
The RS-232 port always communicates with the Offline
Programming Software regardless of the configured mode. Open
Protocol or DL Slave operation can occur on either the RS-232 or
RS-485 port.
If the RS-485 port is configured for Open protocol or DL Slave
operation, you cannot configure the RS-232 port for the same
protocol. Instead, an information message reports an invalid port
configuration (Incompatible Port Usage).
Configurations
escription
Plus Port
Communication/Printing Options
Configurations
D
escription
DL40
Plus
Port
Programmer Open Protocol Slave Printing
1
Off
lin
e
Pro
g
rammin
g
RS–485
1
Off
lin
e
Pro
g
rammin
g
and Serial Printing
RS–232
R
S-232 Off
lin
e
Pro
g
rammin
g
RS–485
2
R
S-232 Off
lin
e
Pro
g
rammin
g
and RS-485 Message Triggering
RS–232
R
S-232 Off
lin
e
Pro
g
rammin
g
RS–485
3
R
S-232 Off
lin
e
Pro
g
rammin
g
RS-485 Slave Communications
RS–232
R
S-485 Off
lin
e
Pro
g
rammin
g
RS–485
4
R
S-485 Off
lin
e
Pro
g
rammin
g
RS-232 Message Triggering
RS–232
R
S-485 S
lav
e
Communications
RS–485
5
R
S-485 S
lav
e
Communications
RS-232 Message Triggering
RS–232
R
S-485 Off
lin
e
Pro
g
rammin
g
RS–485
6
R
S-485 Off
lin
e
Pro
g
rammin
g
RS-232 Slave Communications
RS–232
R
S-485 Me
ssa
ge T
ri
gge
rin
g
RS–485
7
R
S-485 Me
ssa
ge T
ri
gge
rin
g
RS-232 Slave Communications
RS–232
Note: Open protocol is a serial ASCII based format for triggering
messages stored in the DL40 Plus displays. Open protocol supports
message triggers with or without variable data over the RS-232 or
RS-485 serial ports.
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