Common Connectors; Radio/Modem/Plc Connectors - Grundfos G100 Montage- Und Betriebsanleitung

5.3 Common connectors

This section describes G100 connectors (male) for
• GENIbus,
• DI (digital inputs) and
• Service.
Figure 8 shows the three G100 male connectors and
a 9-pin D-sub female connector with pin numbers.
Genibus DI
Fig. 8
GENIbus connector
The GENIbus is a serial RS-485 connection.
A, B and Y are placed as follows:
Connections
GENIbus
A
B
Y (screen)
DI connector
The digital inputs are paired as follows:
Connections
DI
DI 1
DI 2
DI 3
DI 4
Service connector
The service port is a serial RS-232 connection.
RxD, TxD and GND are placed as follows:
:
Connections
Service
RxD
TxD
GND
Service
1
6
2
7
3
8
4
9
5
Pin number
2
3
5
Pin number
1 + 6
2 + 7
3 + 8
4 + 9
Pin number
2
3
5

5.4 Radio/Modem/PLC connectors

Port 1
Main
Network
Connection
Fig. 9
The connection of the G100 to radio, modem or PLC
is made by connecting the cable to the Port 1 con-
nector shown in fig. 9.
Port 2 is not used.
Pin configuration
Pin
Illustration
No.
1
2
3
1
6
4
2
7
3
8
5
4
9
5
6
7
8
9
Port 2
Signal Description
Data carrier
DCD
detect
RxD Received data
Transmitted
TxD
data
Data terminal
DTR
ready
GND Ground
DSR Data set ready
RTS Request to send
CTS Clear to send
RI Ring indicator
13