13
6. Technical data
Supply voltage
24 VDC ±7% via module bus from CU 401.
Current consumption
Max. 5.6 W when all inputs and outputs are active.
• 24 V ~ 260 mA.
• 5 V ~ 86 mA.
Ambient temperature
• During operation: –20°C to +60°C
(must not be exposed to direct sunlight).
• In stock: –25°C to +85°C.
• During transportation: –25°C to +85°C.
Relative air humidity
From 5% to 95%.
Materials
Enclosure class: IP 20.
Plastic type: Black PC / ABS.
7. Module bus
8. Terminator
9. Connection of impedance protection module FB 101
T
M
02
66
83
13
0
3
The module bus is the electrical connection between
the modules. Up to 12 modules can be connected.
The total current consumption must not exceed
• 2 A at 24 V and
• 1.5 A at 5 V.
See installation and operating instructions for the module
in question.
Module bus
T
M
02
66
83
13
0
3
The last module in the row must be terminated by
a terminator.
See illustration.
TM
02
66
81
13
03
The input for phase sequence detection is designed for
three connections for low voltage/current. The module
detects wrong phase sequence and missing phase.
The IO 401 input is protected by the FB 101 impedance
protection module.
• Connect the FB 101 module to the same three-phase
supply as the pumps.
• See section
.
For supply
To IO 401
Summary of Contents for IO 401
Page 1: ...IO 401 GRUNDFOS INSTRUCTIONS Installation and operating instructions ...
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