4 Each Component Function
PT-E731, PT-E731S, PT-E731H, PT-E731HS User’s Manual
33
(2) According to Table 4.7, set the communication mode to be used with the serial communication mode
setting switches (No.1 to No.7).
Serial communication mode
setting switches (No.1 to No.7)
Figure 4.15 Serial communication mode setting switches
Table 4.7 Switch Setting of Communication Mode of Serial Port COM3
Switch No.
Communication Mode Switch Setting
1
2
3
4
5
6
7
8
9
RS232C
(Default)
1
DIP
9
2 3 4 5 6 7 8
ON
OFF OFF OFF ON OFF OFF OFF OFF OFF
RS422
1
DIP
9
2 3 4 5 6 7 8
ON
OFF OFF OFF OFF ON OFF ON OFF OFF
RS485
(Low baud rate)
1
DIP
9
2 3 4 5 6 7 8
ON
OFF OFF OFF OFF OFF ON ON OFF OFF
RS485
(Middle baud rate)
1
DIP
9
2 3 4 5 6 7 8
ON
OFF ON OFF OFF OFF ON ON OFF OFF
RS485
(High baud rate)
1
DIP
9
2 3 4 5 6 7 8
ON
ON OFF OFF OFF OFF ON ON OFF OFF
CAUTION
(1) Switch No.3, 8 and 9 are set by maker. They are unavailable for user. PT-E might not work normally
if set them ON. Do not set them ON please.
(2) Switch setting other than the patterns in Table 4.7 may lead to communication failure. Do not set
switches to pattern other than Table 4.7.
