Specifications

9
9
6
311
130BA216.10
35 36
Illustration 3.11 Connection to 24 V Back-up Supplier (A5-C2).
3.1.9
Analog I/O option MCB 109
The Analog I/O card is to be used in e.g. the following
cases:
•
Providing battery back-up of clock function on
control card
•
As general extension of analog I/O selection
available on control card, e.g. for multi-zone
control with 3 pressure transmitters
•
Turning frequency converter into de-central I/O
block supporting Building Management System
with inputs for sensors and outputs for operating
dampers and valve actuators
•
Support Extended PID controllers with I/Os for set
point inputs, transmitter/sensor inputs and
outputs for actuators.
ANALOG INPUT
CPU
CAN BUS
CPU
CONTROL CARD (FREQUENCY CONVERTER)
ANALOG I/O
OPTION MCB 109
ANALOG OUTPUT
RTC
Pt1000/
Ni 1000
3V
LITHIUM
BATTERY
1
2 3
4 5
6
7
8
9 10
11
12
AIN AIN AIN AOUT
0 V 24 VDC
130BA405.11
AOUT AOUT
GND
0-10
VDC
0-10
VDC
0-10
VDC
< 1 mA < 1 mA
< 1 mA
0-10 VDC 0-10 VDC 0-10 VDC
Illustration 3.12 Principle Diagram for Analog I/O Mounted in
Frequency Converter.
Analog I/O configuration
3 x analog inputs, capable of handling following:
•
0-10 V DC
OR
•
0-20 mA (voltage input 0-10 V) by mounting a
510 Ω resistor across terminals (see NOTICE)
•
4-20 mA (voltage input 2-10 V) by mounting a
510 Ω resistor across terminals (see NOTICE)
•
Ni1000 temperature sensor of 1000 Ω at 0° C.
Specifications according to DIN43760
•
Pt1000 temperature sensor of 1000 Ω at 0° C.
Specifications according to IEC 60751
3 x Analog Outputs supplying 0-10 V DC.
Selection Design Guide
MG11BC02 Danfoss A/S © Rev. 06/2014 All rights reserved. 57
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