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10.8 MCB 113 Extended Relay Card
The MCB 113 adds 7 digital inputs, 2 analogue outputs
and 4 SPDT relays to the standard I/O of the drive for
increased flexibility and to comply with the German
NAMUR NE37 recommendations.
The MCB 113 is a standard C1-option for the Danfoss VLT
®
AutomationDrive and is automatically detected after
mounting.
For information on mounting and installation of the
option, please see
Mounting of Option Modules in Slot C1
earlier in this chapter
130BA965.10
12
11
10
9
8
7
6
5
4
3
2
1
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
2
1
13 14
+
- + -
+
-
+
- + - + - + - + - + - + -
A03
A03
Ex
t. 24
VDC
DI1
DI2
DI3
DI4
DI5
DI6
DI7
X45/
X48/
X46/
X47/
Rela
y 3
Rela
y 4
Rela
y 5
Rela
y 6
Illustration 10.9 Electrical connections of MCB 113
MCB 113 can be connected to an external 24V on X58/ in
order to ensure galvanical isolation between the VLT
®
AutomationDrive and the option card. If galvanical
isolation is not needed, the option card can be supplied
through internal 24V from the drive.
NOTE
It is OK to combine 24V signals with high voltage signals
in the relays as long as there is one unused relay in-
between.
To setup MCB 113, use parameter groups 5-1* (Digital
input), 6-7* (Analog output 3), 6-8* (Analog output 4),
14-8* (Options), 5-4* (Relays) and 16-6* (Inputs and
Outputs).
NOTE
In par. 5-4* Array [2] is relay 3, array [3] is relay 4, array [4]
is relay 5 and array [5] is relay 6
Electrical Data
Relays:
Numbers
4 SPDT
Load at 250V AC/ 30V DC
8A
Load at 250V AC/ 30V DC with cos = 0.4
3.5A
Over voltage category (contact-earth)
III
Over voltage category (contact-contact)
II
Combination of 250V and 24V signals
Possible with one unused relay in-between
Maximum thru-put delay
10ms
Isolated from ground/ chassis for use on IT mains systems
Digital Inputs:
Numbers
7
Range
0/24V
Mode
PNP/ NPN
Input impedance
4kW
Low trigger level
6.4V
High trigger level
17V
Maximum thru-put delay
10ms
Analogue Outputs:
Numbers
2
Range
0/4 -20mA
Resolution
11bit
Linearity
<0.2%
Analogue Outputs:
Numbers
2
Range
0/4 -20mA
Resolution
11bit
Linearity
<0.2%
Options and Accessories
FC 300 Design Guide
246
MG.33.BD.02 - VLT
®
is a registered Danfoss trademark
10
10
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