Installation MACH 1040
Release
04
10/2015
35
2.3.2 Connecting the signal contact
Relevant for North America:
The torque for tightening the terminal block for the signal contact on the
device is 3 lb-in (0.34 Nm).
Note: Use copper wire with cross-section AWG 20 to AWG 12 (0.5 mm
2
to
3.0 mm
2
) and stripping length12 mm.
For every signal contact to be connected, make sure the following
requirements are met:
The electrical wires are voltage-free.
The connected voltage is limited by a current limitation device or a fuse.
Observe the electrical threshold values for the signal contact.
See “General technical data” on page 43.
For every signal contact to be connected, perform the following steps:
Connect the signal contact wires with the connectors of the terminal block.
Mount the terminal block on the device using screws.
2.4 Installing and grounding the device
Note: The shielding ground of the connectable twisted pair cables is
connected to the front panel as a conductor.
2.4.1 Mounting in a switch cabinet
Install the device in the 19" switch cabinet using sliding or mounting rails.
This provides a more stable position of your device in environments subject
to vibration.
For more information on sliding/mounting rails and how to install them,
please contact your switch cabinet manufacturer.
WARNING
ELECTRIC SHOCK
Install this device solely in a switch cabinet or in an operating site with
restricted access, to which maintenance staff have exclusive access.
Failure to follow these instructions can result in death, serious injury,
or equipment damage.
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