Common Connectors; Profibus-Dp Connector; Network Connection - Grundfos G100 Montage- Und Betriebsanleitung

4.3 Common connectors

This section describes G100 connectors (male) for
• GENIbus,
• DI (digital inputs) and
• Service.
Figure 4 shows the three G100 male connectors and
a 9-pin D-sub female connector with pin numbers.
Genibus DI
Fig. 4
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

4.4 Profibus-DP connector

Profibus
Network
Connection
Fig. 5
The connection of the G100 to the Profibus-DP is
made by connecting the Profibus-DP cable to the
Profibus-DP connector shown in fig. 5.
The network topology on Profibus-DP is multidrop.
Pin configuration
The pin configuration of the connector is made
according to the Profibus-DP standard.
Pin
Illustration
No.
1*
2*
3
4
1
6
2
7 5
3
8
4
9
5
6
7*
8
9*
* The assignment of pin Nos. 1, 2, 7 and 9 corre-
sponds to that of the connected unit.
When connecting to Profibus-DP, a standard con-
nector from Siemens should be used.
Example: 6ES7 972-OBA10-OXAO.
Main
Signal Description
– –
– –
RxD/TxD-P Data line B
Request to
RTS
send
Data refer-
ence poten-
M5V2
tial (from
station)
Supply plus
P5V2
(from station)
– –
RxD/TxD-N Data line A
– –
9