RIM-Protocol Converter User Guide - Version 1.0
Chatsworth Products, Inc. (CPI) • 800-834-4969
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Table 3.8 EIA-485/Modbus/BACnet-MSTP Ports Configuration Options
Option
Description
Max. EIA-485 Device
Response Time
This setting determines the allowable response time, in seconds, from devices
before the Protocol Converter times out. Set a value in the range of 0.3 to 9.9
seconds. If the Protocol Converter times out, an offline alarm will be triggered
and the device’s status color will change on the Protocol Converter’s
home page.
SNMP/BACnet/IP Device
Poll Rate
Determines the rate, in packets per second, at which data is sent.
The drop-down provides selections of 1, 5, or 10.
Modbus/TCP Open
Requests
Define the number of retries the Protocol Converter should
execute.
Device Write Enable
Determines whether or not client write operations to the Protocol Converter are
translated, written to the specific server device or register and then read back by
the Protocol Converter to update the local register data.
The write operations are generated via SNMP Sets, BACnet
Write-Property and Modbus Preset Single Register commands.
Select Yes to enable the Protocol Converter to perform write
operations. Default: Yes.
EIA-485 Port (1, 2, 3)
Function
The port type for the EIA-485 port. Choose Modbus Slave or
Modbus Master.
EIA-485 Port (1, 2, 3)
Baud Rate
Speed of the EIA-485 port. Choose 1200, 2400, 9600 (default),
or 19200. Ports 2 and 3 can also run at 38400 baud.
EIA-485 Port (1, 2, 3)
Parity
Select None (default), Even, or Odd for the Parity output.
EIA-485 Port (1, 2, 3) Stop
Bits
Select 1 or 2.
EIA-485 Slave Address
An RTU address in the range 1 to 254. To disable transmission
on the EIA-485 port, leave the value at 0.
BACnet MS/TP Port 3
Max Master
Number of BACnet masters allowed on the MS/TP network.
