31
EPG S2
1 2 3 4
P_01509
ON
10
P_01510
OPERATING MANUAL
VERSION 09/2017 ORDER NUMBER DOC2317574
6.8 DEVICE SETTINGS
6.8.1 CAN BUS BAUD RATE SETTING
The settings described below must be made and/or checked on the EPG S2 control unit
before commissioning.
The baud rate and node number setting for the CAN bus are set mechanically using the
switches under the service cover.
The bit rate is set on the 4-way DIP switch using switches 1, 2 and 3. The switch statuses
are only read in when the control unit is switched on (powered up). In order for a change in
baud rate to take e ect, the device must be switched o and on again.
The possible settings are described in the following table:
Switch CAN baud rate Maximum
cable length
1234
0 0 0 X 1000 kBit/s 25 m
0 0 1 X 800 kBit/s 50 m
0 1 0 X 500 kBit/s 100 m
0 1 1 X 250 kBit/s 250 m
1 0 0 X 125 kBit/s 500 m
1 0 1 X 100 kBit/s 1000 m
1 1 0 X 50 kBit/s 1000 m
1 1 1 X 20 kBit/s 1000 m
Baud rate
CAN bus node ID setting
CAN bus baud rate setting/emergency operation mode
Shown example: Factory setting 250 kBit/s