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381 E/385Ef385D/480E/485E/485K
Comm Switch Configuration
for MODBUS, Ports
MODBUS Port 1 is software configurable or will default to preset parameters de-
pending on the position of the three position toggle switch, located on the lower left
side panel behind the module handle.
For software configuration, put the MEM-
DEFAULT-MODEM
switch in the MEM position and use
your panel to select the
communications
parameters
required.
In the
" Default" or " Modem" positions you will power up with the following parame-
ters:
Table 4 Port 1 Configuration
381 E/385E/385D/480E/485E/485K
3851485 ONLY
MEM
DEFAULT
MODEM
Port 1 Communication Parameters Taken from
Configuration Table
Port 1 Communication Parameters are:
RTU, 9600 BAUD, Even Parity, 1 Stop Bit
Address is set on Dip Switch underneath
if 3851485 or is 1 if 3ai/480.
Port
1
Communication Parameters are:
ASCII, 2400 BAUD, Even Parity, 1 Stop Bit
Address is set on Dip switch underneath
if 3851485 or is 1 if 3811480
Bridge Mode capable only
if Panel programmed this
option (Default is NO Bridge
Modej
Bridge Mode capable
without panel intervention
(i.e. automatic)
Bridge Mode capable
without panel intervention
(i.e. automatic)
The second Modbus Port on the 3811480 is configurable only by using your pro-
gramming panel.
Modbus Port Software Configuration
You can use Modicon Modsoft programming panel software to set an internal
memory variable for either Modbus
port 1
or
port
2 (when the MEM/DEFAULT/
MODEM slide switch is in MEM).
Refer to Figure
11.
GMd?984-EDK
System
Planning
31
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