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3.3 Terminals
2
1
ON DIP
1
2 3 4
IO 241
GENI
GENI
Max. 2A
28
27
26
25
24
23
22
21
20
19
18
17
Pos.
Description
1
Address switches for IO module.
2
GENIbus, for internal use between the modules.
3
Switch for termination resistor, SW1
4
Not for use
5
Supply voltage, 24 VDC
6
User-configurable output relay 2, normally open
7
User-configurable output relay 2, common
8
User-configurable output relay 2, normally closed
9
Supply voltage for sensors, 24 VDC, max. 400 mA
10
Ground, GND
11
User-configurable input and output 4
12
Ground, GND
13
User-configurable input and output 3
14
Ground, GND
15
User-configurable input and output 2
16
Ground, GND
17
User-configurable input and output 1
18
Ground, GND
19
Digital input 2
20
Ground, GND
21
Digital input 1
22
Ground, GND
23
User-configurable digital input and output 2
24
Ground, GND
25
User-configurable digital input and output 1
26
User-configurable output relay 1, normally open
27
User-configurable output relay 1, common
28
User-configurable output relay 1, normally closed
3.4 Identification
3.4.1 Nameplate
8
5
3
4
ON
1
2
Max. 2A
6
7
8
16
15
14
13
12
11
10
9
Pos.
Description
1
Product name
2
Version number and product number
3
Factory code
4
Supply voltage
5
Max. power consumption
6
Maximum ambient temperature
7
Production code (year and week)
8
Serial number
9
Enclosure class according to IEC
10
Production site
11
Markings and approvals
3.5 GENIbus
GENIbus, the Grundfos Electronics Network Intercommunications
bus, is a fieldbus developed by Grundfos to meet the need for data
transfer in all typical Grundfos motor or pump applications.
Grundfos devices with GENIbus can be wired together in networks
and integrated in automation systems. Each device on the network
must have a unique GENIbus address. GENIbus is based on the
RS485 hardware standard and typically operates at a baud rate of
9600 bits/s.
4. Servicing the product
The product cannot be serviced.
•
Contact Grundfos. If the product is faulty, it must be replaced.
4.1 Replacing the IO module
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before making any electri-
cal connections.
‐
Make sure that the power supply cannot be switched
on accidentally.
1. Switch off the power supply to the product and
other components with external supply.
2. Write down the terminal connection of each wire to ensure
correct reconnection.
3. Disconnect all wires.
4. Press the module up gently (1).
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