4
Serial and Mode Settings
To change the Channel settings, press '2'. The following values can be
set/changed: Protocol, Serial Interface
Protocol
At the first prompt, select 1 for Save or 2 for Master. At the second prompt,
select 1 for Modbus/RTU or 2 for Modbus/ASCII.
Serial Interface
Enter the interface setup as BBBB,D,P,S,RSxxx where BBBB is the baud
rate (default is 19200), D is the number of data bits , P is parity, S number of
stop bits, and RSxxx is 232 or 485 .
Modem Control Settings
To change the Modem settings, press '3'. The following value can be
set/changed: RTS Output
Advanced Modbus Protocol Settings
To change the Channel settings, press '4'. The following values can be
set/changed: Slave Addr/Unit ID , Modbus Serial Broadcasts,
Character/Message Timeouts.
Modbus ID to IP Address Mapping ( only used for Master)
This setting is only available when Master is chosen. Entering "5" gives you
the Mapping screen.
Security Settings
Note: This information replaces the "Security Settings for the Ethernet Option Module"
section in chapter 14 of GFK-1645J and will be included in the next revision of that manual.
Security settings are provided to prevent unauthorized access to the Ethernet Option Module
configuration mode.
Five security parameters are supported for the Ethernet Option Module (firmware versions 3.3
and later). Security settings are provided for the three protocols: SNP/SRTP, Modbus TCP and
Tunneling. These parameters allow you to configure the Telnet password, enable the required
ports and disable the unused ports
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VersaMax Serial to Ethernet Adapter User Manual
GFK-1852B