FPA-W44
10
/
15
3.2.3
RS232
or
RS485
Connector
Standard
vertical
1x3x3.81mm
male
Terminal
Block
.
Pin
Description
Remarks
1
TXD1
or
RS485_A
IO
2
RXD1
or
RS485_B
IO
3
GND
DIP Switch for select
Bit
Description
Single
1
ON:
have
matched
resistance
of
120
ohm
OFF:
have
no
Term
2
ON:
have
pull
up
resister
of
510
ohm
OFF:
have
no
Bias
‐
3
ON:
have
pull
down
resister
of
510
ohm
OFF:
have
no
Bias+
4
ON:
select
RS232
OFF:
select
RS485
Select
RS232
or
RS485
3.2.4
RS485
Connector
Standard
vertical
1x3x3.81mm
male
Terminal
Block
.
Pin
Description
Remarks
1
RS485_A
IO
2
RS485_B
IO
3
GND
