Specifications

GP-4100 Series Hardware Manual
3-8
RS-485 (isolation) type (GP4107)
<GP unit side>
D-Sub 9-pin socket type connector
Interfit Bracket #4-40 inch screws are used.
Pin Connection RS-485 (isolation) type
PIN # Signal Name Direction Meaning
1NC
2NC
3LINE(+)
Input/
Output
LINE(+)
4 RS(RTS) Output Request to Send
5SG
*1
*1 The SG and FG terminals are isolated.
Signal Ground
65V
*2 *3
*2 When providing power of terminating resistor via the Siemens Co.'s PROFIBUS,
power cannot be connected to the Device/PLC.
*3 The 5V output for Pin # 6 is not protected against overcurrent.
5V External Output
7NC
8 LINE(-)
Input/
Output
LINE(-)
9NC
Shell FG
*1
Frame Ground
(Common with SG)
6
9
1
5
(GP unit side)