SWITCH NO.
SWITCH
FUNCTION
1
DOWN
BAUD SELECT
UP
i
BAUD SELECT
3
BAUD SELECT
4
NO PARITY
5
ODD PARITY
6
2 STOP BITS
7
ASCII (7 BITS)
BAUD SELECT
BAUD SELECT
BAUD SELECT
PARITY
EVEN PARITY
1
STOP BIT
RTU (8 BITS)
Default settings as shown above:
9600 Baud/Even/Parity/l StoplRTU
Figure 3
Modbus Port DIP Switch Orientation and Coding
ET
Note
Although certain production units may contain an 8-position
DIP switch set,
only
the
first
seven are used.
Unsupported switch combinations are: 2 stop bits with RTU and parity;
1 stop bit with ASCII and no parity.
Table 4 DIP Switch for Modbus BAUD Rate Settings
Baud Switch 1 Switch 2 Switch 3
19,200
“P
9600 down
4800
“P
2400
down
1200
“P
600
down
300
“P
150
down
“P
“P
down
down
“P
“P
down
down
“P
“P
“P
“P
down
down
down
down
GM-L984-785 Chapter 2
Installation 11
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