Terminals; Conductors; Technical Data; Module Bus - Grundfos IO 403 Installations- Und Bedienungsanleitung

5.3 Terminals

Digital inputs
Terminal designation
DI5
DI6
DI7
DI8
4 x 0 V
Pulse counter input (DI8)
Terminal designation
8
0 V
Analog inputs
Terminal designation
AI1_V
AI1_I
+24 V
0 V
AI2_V
AI2_I
+24 V
0 V
AI3_V
AI3_I
AI4_V
AI4_I

7. Module bus

Description
Digital input
Digital input
Digital input
Digital and pulse counter
input
Common zero point
Description
Pulse counter
0 V
Description
Analog input (voltage)
Analog input (current)
Supply for external trans-
ducer, max. 25 mA
Analog input (voltage)
Analog input (current)
Supply for external trans-
ducer, max. 25 mA
Analog input (voltage)
Analog input (current)
Analog input (voltage)
Analog input (current)
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
Relay outputs
Terminal designation
DO1_NO
DO2_NO
DO3_NO
DO4_NO
See sketch
NO

5.4 Conductors

Rigid conductors
Flexible conductors
without insulated ferrule
Conductor size
(American measurement)
Flexible conductors
with insulated ferrule.
With/without plastic collar

6. Technical data

Supply voltage
24 VDC ±7% via module bus from CU 401.
Current consumption
Max. 3.7 W when all inputs and outputs are active.
• 24 V ~ 142 mA.
• 5 V ~ 59 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.
Description
Relay contact
Relay contact
Relay contact
Relay contact
2
0.2-2.5 mm
24-12 AWG
2
0.2-1.5 mm
11