145
Appendix 5 Optional equipment
Optional equipment
Terminal type
Terminal
name
Function
name
Remarks and function description
485
communication
terminal
SDA
SDA
RS485/422 serial communication terminal
SDB
SDB
RDA
RDA
RDB
RDB
P5S
P5S
5V Source
SG
SG
5V Ground
(3). Communication expansion board for RJ-11 connector (SE-CB02)
There are two RJ-11 connectors on the board, please use them with the corresponding
transmission cable.
(4). Communication expansion board for RJ-45 connector (SE-CB03)
This communication expansion board use CBL cable to connecte DU01.
(5). 4~20mA current source expansion board (SE-IB01)