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CONTENTS
Page
Symbols used in this document
Introduction
General description
Applications
References
Scope of delivery
Installation
Wiring diagram
Fitting the MCB 114 in the CUE
CUE displays
Service
Service documentation
Technical data
Surroundings
Cable length
Analog inputs
Disposal
1. Symbols used in this document
2. Introduction
This manual introduces all aspects regarding installation of your
Grundfos MCB 114 sensor input module.
2.1 General description
The MCB 114 is an analog sensor input module for the CUE.
2.2 Applications
The MCB 114 offers three additional analog inputs for the CUE:
•
one analog 0/4-20 mA input for an additional sensor
•
two analog Pt100/Pt1000 inputs for temperature sensors.
2.3 References
Technical documentation for Grundfos CUE:
•
This manual contains all information required for installation of
the MCB 114.
•
The CUE installation and operating instructions contain all
information required for putting the CUE into operation.
•
The CUE data booklet contains all technical information about
the construction and applications of the CUE.
•
The service instructions contain all required instructions for
dismantling and repairing the frequency converter.
Technical documentation is available on www.grundfos.com >
International website > WebCAPS.
If you have any questions, please contact the nearest Grundfos
company or service workshop.
3. Scope of delivery
The MCB 114 sensor input module comes with a terminal cover,
an extended frame and an identification label to put onto the
CUE.
Fig. 1
Scope of delivery
4. Installation
4.1 Wiring diagram
Fig. 2
Wiring diagram, MCB 114
Terminals 10, 11 and 12 are not used.
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
Warning
If these safety instructions are not observed,
it may result in personal injury!
TM
04
00
26
48
07
Warning
Touching the electrical parts may be fatal, even
after the CUE has been switched off.
Before making any work on the CUE, the mains
supply and other voltage inputs must be
switched off for at least as long as stated in the
CUE installation and operating instructions.
T
M
04
32
73
39
08
Terminal
Type
Function
1 (VDO)
+24 V out Supply to sensor
2 (I IN)
AI 3
Sensor 2, 0/4-20 mA
3 (GND)
GND
Common frame for analog input
4 (TEMP)
5 (WIRE)
AI 4
Temperature sensor 1, Pt100/Pt1000
6 (GND)
GND
Common frame for temperature sensor 1
7 (TEMP)
8 (WIRE)
AI 5
Temperature sensor 2, Pt100/Pt1000
9 (GND)
GND
Common frame for temperature sensor 2
Extended frame
Terminal cover
MCB 114 sensor
input module
1
9
8
7
6
5
4
3
2
1
2
1
1
1
0
VDO
I IN
GND
TEMP
WIRE
GND
TEMP
WIRE
GND
+
-
+