Proface APL3000B - Node Box PC User Manual
Page 31
PS-3710A Series Hardware Manual
2-10
Pin
No.
RS-485
Signal Name
Direction
Meaning
1
DATA +
Input / Output
Send/Receive Data (+)
2
DATA -
Input / Output
Send/Receive Data (+)
3
NC
-
No Connection
4
NC
-
No Connection
5
GND
-
Signal Ground (SG)
6
NC
-
No Connection
7
NC
-
No Connection
8
NC
-
No Connection
9
NC
-
No Connection
FG
FG
-
Frame Ground (Common with SG)