14 Rockwell Automation Publication 440R-UM012E-EN-P - November 2018
Chapter 2 Installation
Removal
To remove the GLP safety relay, use a screwdriver to pry the DIN rail latch
downwards until it is in the unlatched position. Then, swing the module up.
Spacing
The GLP safety relay can be mounted directly next to other GSR safety relays.
When the catalog number 440R-ENETR EtherNet/IP network interface is
used, the GSR must be mounted within 10 mm (0.4 in.) of adjacent modules
to maintain effective communication.
For adequate ventilation, maintain a space of 50.8 mm (2 in.) above and below
the relay.
Removable Terminals
The GLP safety relay has removable terminals to ease wiring and replacement.
Figure 4 - Removable Terminals
1. Insert the tip of a small, screwdriver into the slot near the terminal
screws.
2. To unlock the terminal block, rotate the screwdriver.
The terminal block can then be removed from the housing.
Enclosure Considerations
Most applications require installation in an industrial enclosure to reduce the
effects of electrical interference and environmental exposure. Pollution
Degree 2 is an environment where normally only non-conductive pollution
occurs except that occasionally temporary conductivity that is caused by
condensation can be expected. Overvoltage Category II is the load level section
of the electrical distribution system. At this level, transient voltages are
controlled and do not exceed the impulse voltage capability of the products
insulation.
This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in
IEC606641), at altitudes up to 2000 m (6562 ft) without derating. This
equipment is considered Group 1, Class A industrial equipment according to
IEC/CISPR 11. Without appropriate precautions, there may be difficulties
with electromagnetic compatibility in residential and other environments due
to conducted and radiated disturbances.
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