TR111V
12090-0703-02
Page
3 / 8
www.ziehl.de
1
Display and controls
•
Potentiometer
“
%T
” for limit value
•
LED Power
•
Potentiometer “
Hys
” Hysteresis
•
LED Relay on
•
Potentiometer Switching delay
“
don/doff
”
•
Potentiometer
“
T
” Selection of measuring-range
2
Detailed description
As standard, the relay in the TR111V operates according to the closed-current-mode. If a temperature sensor
is connected, the relay picks up (11-14 closed = ok). The relay releases in the case of a sensor error. If the
temperature at the sensor exceeds the adjusted value, the relay releases. The state of the relay is signalled
by a LED: relay picked up = LED on. At operating-current-mode the function of the relay is inverted. It picks
up at over-temperature (11-12 closed = ok).
Remark
Sensors have to be connected with shielded cable. We recommend to connect it to ground on the sensor-
side.
3
Application and short description
Temperature-Relays TR111V can be used as limit-switches or 2-point controllers with high repeat accuracy.
3 measuring-ranges, adjustable hysteresis and switching delay and the choice between operating- and
closed-current principle of the relay make it a very universal device. Protection from over-temperature in
processes, plants and machines. Monitoring of temperatures in bearings. Controlling of temperatures in
processes and plants.
4
Overview of functions
•
Measuring input 1x Pt 100 (RTD) / 3-wire
•
3 or 4 measuring-ranges selectable
•
1 limit adjustable 0...100 %
•
switching delay adjustable 0,1...10 s
•
Output-relay 1 changeover-contact (co)
•
Operating- or closed-current-principle
•
Switching off at sensor-short-circuit or break
•
LEDs for display state of relay
•
Housing for mounting in switchgear cabinets or fuseboxes, 35 mm wide
•
Mounting heigt 55 mm
•
Universal supply-voltage AC/DC 24-240 V
