The requirements for the 24 VDC power supply:
•
A voltage accuracy +/-10%
•
MR8-MR9: > 1000 mA
•
MR10: > 2000 mA
•
MR12: > 4000 mA
1 In MR8 and MR9, connect an external 24 VDC power
supply into the control terminals 13 and 30.
Connect the external GND potential into terminal
13, and the external 24 VDC (+) potential into
terminal 30. See the terminals in Fig. 42 and Fig. 43.
2 In MR10 and MR12, loosen the screws of the
service lid and remove it.
•
In MR12, there are two power units. Do the
steps 2 and 3 for the two power units.
3 In MR10 and MR12, connect an external 24 VDC into
the connector X50 on the measurement board. The
connector pins are X50-22 (+) and X50-23 (-).
•
In MR12, connect the external 24 VDC to the
two X50 connectors.
NOTE!
The size of the power supply wire for the
external 24 VDC must be a minimum of 1
mm
2
. The lenght of the wire from the 24
VDC power supply to the X50 connectors
and to the control unit connectors must be
a maximum of 3 m.
4 In all the enclosure sizes, do power-up to the
external 24 VDC power supply.
5 Remove the control panel. Connect the PC to the
control panel connector in the control unit with an
CAB-USB/RS485 cable.
6 Start the VACON
®
Loader PC tool.
7 Start the downloading of the software.
8 After the downloading is complete, disconnect the
PC and attach the control panel into the control
unit.
9 Do power-down to the external 24 VDC power
supply.
VACON · 110 COMMISSIONING AND ADDITIONAL INSTRUCTIONS
7
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