ICP DAS Co., LTD
PM-4324 Series Quick Start V1.3
Page 7
Communication
2.6.
RS-485 & CAN setting
Default setting for RS-485:
19200, n, 8, 1
,
for CAN:
125K bps
DIP switch (SW1-SW6) is used for Modbus address(or CANopen Node ID)
setting, default is 1, i.e. all OFF
For example:
Modbus address(or CANopen Node ID) is 10
,
find the table of
DIP switch 1-6 is
ON, OFF, OFF, ON, OFF, OFF
SW1
-
SW6 setting
Setting Modbus-RTU address/ CANopen Node ID for communication (1-64)
Modbus Address
SW 1
SW 2
SW 3
SW 4
SW 5
SW 6
1
OFF
OFF
OFF
OFF
OFF
OFF
2
ON
OFF
OFF
OFF
OFF
OFF
3
OFF
ON
OFF
OFF
OFF
OFF
4
ON
ON
OFF
OFF
OFF
OFF
5
OFF
OFF
ON
OFF
OFF
OFF
6
ON
OFF
ON
OFF
OFF
OFF
7
OFF
ON
ON
OFF
OFF
OFF
8
ON
ON
ON
OFF
OFF
OFF
9
OFF
OFF
OFF
ON
OFF
OFF
10
ON
OFF
OFF
ON
OFF
OFF
SW7
-
SW8 setting
PM-4324
:
For Baud Rate Setting
RS-485
CAN
SW 7
SW8
9600 bps
125k (Default)
OFF
OFF
19200
250k bps
ON
OFF
38400 bps
500k bps
OFF
ON
115200 bps
1M bps
ON
ON
PM-4324
:
Select the different wiring mode
(Please select the Software setting, if 1P2W-1CT or 1P3W-2CT is used)
Models
PM-4324/PM-4324-CPS/PM-4324-MTCP
Wiring
SW 9
SW 10
Software setting
OFF
OFF
3P3W-2CT
ON
OFF
3P3W-3CT
OFF
ON
3P4W-3CT
ON
ON
2.7.
Add the Bias Resistor on RS-485 Network for stable signal
The RS-485 master is required to provide the bias for PM-4324 series.