Proface APL3000B - Node Box PC User Manual
Page 13
13
COM1
*3 To change the communication method, set
the DIP switch located on the circuit board in
the PL unit to the desired position.
For details, see [Internal Switches].
RAS Interface
• Be sure to use only the rated voltage
level when using pin #1 (+12V) for
external power output. Failure to do so
can lead to a unit malfunction or acci-
dent.
• For the circuit diagram, refer to “PL3000
Series Reference Manual”.
Pin #
RS-422
*3
Signal Name
Description
1
RDA
Receive Data A(+)
2
RDB
Receive Data B(-)
3
SDA
Send Data A(+)
4
ERA
Data Terminal Ready
A(+)
5
SG
Signal Ground
6
CSB
Clear to Send B(-)
7
SDB
Send Data B(-)
8
CSA
Clear to Send A(+)
9
ERB
Data Terminal Ready
B(-)
Shell FG
Frame Ground
(Common with SG)
Pin #
RS-485
*3
Signal Name
Description
1
DATA +
Send/Receive Data
(+)
2
DATA -
Send/Receive Data
(-)
3
NC
No Connection
4
NC
No Connection
5
SG
Signal Ground
6
NC
No Connection
7
NC
No Connection
8
NC
No Connection
9
NC
No Connection
Shell FG
Frame Ground
(Common with SG)
Interfit Bracket
#4-40 (UNC)
Pin # Signal Name
Description
1
+12V
Output Current:
100mA or less
Output Voltage:
12V±5%
2
DOUT0(+)
Data out 0(+)
3
DOUT1(+)
Data out 1(+)
4
DIN0(+)
Data in 0(+)
5
DIN1(+)
Data in 1(+)
*1
*1 Can be used as reset input.
6
GND
Ground
7
DOUT0(-)
Data out 0(-)
8
DOUT1(-)
Data out 1(-)
9
DINCOM
Data in ground
common