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Communicator | 3.05
30
CAUTION Connect the shield (safety ground) only on one side!
6.2.2 RS-232 Approximate Distances and Baud Rate
•
For one controller:
o
~2000 meters (~6500 feet): 9600 Baud
o
~2500 meters (~8200 feet): 4800 Baud
o
~3000 meters (~9800 feet): 2400 Baud
•
For 10 controllers:
o
~1200 meter (~4000 feet): 9600 Baud
o
~1800 meter (~6000 feet): 4800 Baud
o
~2400 meter (~7870 feet): 2400 Baud
NOTE:
Baud rate depends on cable length and on the number of controllers.
6.3 RS-485 Connection
The following sections detail how to set up an RS-485 connection between the Communicator and the
controllers.
•
Setting up the RS-485 Connection, page 30
•
RS-485 Approximate Distances & Baud Rates, page 32
6.3.1 Setting up the RS-485 Connection
Communicator supports two types of RS-485 connections:
•
RS-485 Cards (Figure 5)
•
RS-ISO485 Cards (Figure 6)
NOTE:
The cards shown are controller cards.