Port2 (Optional Fieldbus) Type P: Modbus Rtu; Profibus Dp - Connectors S4, S5 - gefran GPC 40-600A Use And Installation Manual

3.4.4. PORT2 (optional Fieldbus) type P: Modbus RTU / Profibus DP - connectors S4, S5
Port only present on GPC controllers with Fieldbus option Port 2 = P.
RS-485 Modbus RTU / Profibus DP serial interface, S4 and S5 connectors and Profibus communication status LED.
Cable connector for
S4/S5 port
RJ10 4-4 plug
4
3
2
1
NB:
*) It is recommended to also connect the GND signal between Modbus devices with a line distance > 100 m.
Cable connector for
S5 port
D-SUB 9-pole male
1 2 3 4 5
6 7 8 9
Notes
It is recommended to connect the termination resistors as
shown in the figure.
Green LED
Red LED
Yellow LED
Pin Name
GND1 *
1
2 Tx/Rx+
Tx/Rx-
3
4 +V (reserved)
Pin Name
1 SHIELD
2 M24V
3 RxD / TxD-P
4 n.c.
5 DGND
6 PV
7 P24V
8 RxD / TxD-N
9 n.c.
81900A "MHW_GPC-40/600A"_03-2021_ENG_page 28
Description
Data reception/transmission (A+)
Data reception/transmission (B-)
Description
EMC protection
Output voltage - 24 V
Data reception/transmission
Not connected
Data ground
Positive voltage +5 V
Output voltage +24 V
Data reception/transmission
Not connected
VP
(6)
390 Ω
S5 female connector
S4 female connector
Cable type
Flat telephone cable for 28AWG
4-4 conductor plug
Cable type
Shielded 1 pair 22AWG conduc-
tors, PROFIBUS compliant
RxD / TxD-P RxD / TxD-N
(3) (8)
220 Ω
Data line Data line
DGND
(5)
390 Ω