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Hardware reference
3.6.3
Installation
Follow these rules when installing the GRT1-ML2:
•
Before installing the GRT1-ML2 or connect or disconnect cables, switch
off the power of the Trajexia system, the SmartSlice I/O Units and the
external I/Os.
•
Make sure that the power supplies of the GRT1-ML2, the SmartSlice I/O
Units and the external I/Os are correctly connected.
•
Provide separate conduits or ducts for the I/O lines to prevent noise from
high-tension lines or power lines.
•
It is possible to connect up to 64 SmartSlice I/O Units to 1 GRT1-ML2.
•
Install the GRT1-ML2 and the SmartSlice I/O Units on a DIN rail. To
install a GRT1-ML2 on the DIN rail, press it onto the DIN track from the
front, and press the unit firmly until it clicks. Check that all DIN rail sliders
of the unit are locked onto the DIN rail.
•
To remove the GRT1-ML2 from the DIN rail, release the sliders from the
DIN rail with a screwdriver, and pull the unit straight from the DIN rail.
Connections
Connect the first SmartSlice I/O Unit to the GRT1-ML2:
•
Align the sides of the GRT1-ML2 and the SmartSlice I/O Unit.
•
Slide the SmartSlice I/O Unit to the rear until it clicks onto the DIN rail.
Caution
Do not touch the connectors on the side of GRT1-ML2 and the
SmartSlice I/O Units.
See the GRT1 Series SmartSlice I/O Units Operation Manual for more
information on connecting additional SmartSlice I/O Units, Turnback Units,
End Units and end plates.
Wiring
The GRT1-ML2 has 2 power supply terminals. Both power supply terminals
have screwless clamping-type connections.
To determine the power supply requirements, do the steps below.
HARDWARE REFERENCE MANUAL
fig. 81
S W 2
S W 1
PW R
UN IT
C N 2
RU N
AL AR
M
ML CO
M
R
I/O PW
TS
C N 1
A /B
O N
RE G
S
1
NC
2
AD R
3
BA CK
4
UN IT
+V
-V
I/O
+V
-V
V
DC 24
T
IN PU
161
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