Phoenix Contact PSR-PC20 Operating Manual

PSR-PC20
SIL coupling relay
Data sheet
106255_en_03
1

Description

Intended Use
The SIL coupling relay is used to adjust the power and for
electrical isolation in high- and low-demand applications.
The coupling relay safely interrupts circuits. The category 3
device is designed for installation in zone 2 potentially
explosive areas.
Possible signal generators
– Failsafe controllers
Contact type
– 1 undelayed enabling current path
– 1 undelayed confirmation current path
– 1 digital signal output
– TBUS interface for transmitting the diagnostics supply
voltage
The enabling current path drops out without delay according
to stop category 0 (EN 60204-1).
Control
– Single-channel, automatic start
WARNING: Risk of electric shock
Observe the safety regulations and installation notes in the corresponding section.
Make sure you always use the latest documentation.
It can be downloaded from the product at phoenixcontact.net/products.
This document is valid for the products listed in the "Ordering data".
This document meets the same requirements as the original operating instructions with respect to the
contents.
© PHOENIX CONTACT 2018-10-19
Achievable safety integrity
– Suitable for high and low-demand applications up to
SIL 3 according to IEC 61508, IEC 61511, and
IEC 50156
Additional features
– Easy proof test:
- Visually on the device
- Evaluation of the force-guided N/C contact
– Additional diagnostics status information
- Active error acknowledgment via A1
- Status information on M1
– Integrated test pulse filter.
– 2 internal 5AT fuses
– Corrosion protection through lacquering the printed-
circuit board
– Option of screw or spring-cage terminal blocks for
plug-in
– 12.5 mm housing width
Approvals
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