Universal PLC Interface with PDT Relay
– now also with spring cage connection system!
The PLC-R...21 relay series, that can be used
universally, consisting of 6.2 mm base terminal blocks
and pluggable miniature relays with PDT contact, has
now been included in the range with spring cage
connections. The wiring, diagonally from above, is
particularly convenient during assembly. The cost-
intensive wiring is reduced yet again when the plug-in
bridges are implemented. A side-effect is a cut in the
likelihood of faulty wiring and time-consuming trouble-
shooting.
PDT = great flexibility
The universal PDT series, PLC-RSP...21, is used
whenever an application demands great flexibility. It can
be used
– as an input or output interface or
– in N/C, N/O or PDT applications.
Advantage: fewer ordering and warehousing items. In
the standard version, the PLC interfaces are supplied
equipped complete with relay (or miniature optical
coupler with electronic N/O function).
“…6”
8
(IEC)
rigid
solid
flexible
stranded
I
U
[mm2]
AWG
24-14
[A] [V]
Input voltages of 12V to 230V
Connection data
0.2-2.5
0.2-1.5
*
*
PLC-RSP...21 on the coil side is, like the proven
screw clamp versions, available in all conventional
industrial voltages from 12 V to 230 V. A further
advantage is the ready-integrated input circuit. It
consists of a status display, damping function, and
polarity reversal protection function, and guarantees a
clear display of the operational status, EMC interference
suppression of the coil, and prevents destruction of the
same, should the polarity be accidentally reversed.
* The electrical data are determined by the relay.
A2
A1
11
14
12
Robust miniature relay
The heart of the PDT relay series is a robust
miniature relay from the latest generation, equipped
with features that you will search for in vain in most
standard pluggable relays:
6,2
80
– Operational safety with IP67-protected mechanics,
– Environmentally friendly, cadmium-free power contact
material for loads up to 250 V AC/6 A,
– As an alternative with a gold layer for smaller
capacities (mA),
– Reliable isolation in acc. with DIN VDE 0106-101,
– 4kV
potential separation between coil and contact.
rms
The relay is securely fastened using an engagement
lever. Should it become worn, it can be disengaged, and
– without disconnecting the wiring – replaced quickly
and economically.
contact 11 on the contact side, the continuous plug-in
bridges which can be cut to length as desired, or the 2-
position jumper plugs guarantee with one “click” quick,
economical and fault-free wiring, whilst providing
Plug-in bridges save wiring
A big plus for cunning wiring professionals is the
convenient plug-in bridge system FBST. Whether there utmost clarity.This makes complicated, time-consuming
is an A1/A2 ground on the coil side, or group feed-in at loop bridges a thing of the past!
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