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ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de
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Pt 100-Temperature-Relay Type TR122DA
1 Sensor, 2 Limits, Digital display, Analog-output
Technical Data
The TR122DA is a temperature
relay with 2 independant swit-
ching points and with analog
output.
Applications:
Monitoring of temperature with
pre-alarm and alarm
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1 sensor Pt 100 (RTD) 2- or
3-wire-connection
Range -199...+850 °C
Resistance 0...850 Ω
2 alarms/relays (co- con-
tacts)
Digital display, 3 digits
Monitoring of sensor (break/
short-circuit)
Display of MIN- and MAX-
values
scalable analog output
0/4...20 mA
(TR 122 DA only)
Universal supply voltage AC/
DC 24-240 V
Plug-in housing for easy
mounting and service
The following parameters can be programmed:
Switching points (alarms)
Hysteresis (+ or - = MIN or MAX-function)
Relay in closed- or operating current mode
automatic reset or electronic reclosing lock
switching- and switch-back-delay
Analog output
EasyLimit for simplyed setting of alarms
Code-lock against manipulation of settings
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rated supply voltage Us
sensor Pt 100 (RTD)
connection
measuring accuracy
measuring current
connection of sensor
analog output
measuring range
resolution
hysteresis
switching delays
relay-contact
test conditions
rated ambient temp. range
dimensions (h x w x d)
attachment
protection housing / terminals
weight
AC/DC 24-240 V, <3W, <5VA
(AC 20-264 V, DC 20,4-297 V)
Pt 100 according to EN 60 751/IEC 60 751,
Resistance 0...850 Ohm
line-resistance max. 3 x 22 Ω / 2 x 10 Ω
< 0,3 % of value ± 0,5 K (Ω)
≤ 0,8 mA
2-/3-wire, line-resistance max. 2 x 50 Ω/ 3 x 50 Ω
0/4-20 mA, max. 500 Ω, error <0,3% of fullscale
-199 ... +850 °C / 0 ... 850 Ω
1 K (Ω), -19,9 ... 99,9: 0,1 K (Ω)
±200 K
0...999 s
type 2 (see "general technical informations")
see "general technical informations"
-20°C...+55°C
design S12: 82 x 42 x 121 [mm]
on 35 mm DIN rail according to DIN EN 50 022 or with
screws M4
P 30 / IP 20
app. 300 g
Pt 100-Temperature Relays Type TR
2011-03-30
TR122DA
Part numbers:
TR122DA
T224126 with analog output
TR122D
T224127 no analog output
Monitoring of under- and over-temperature
2-point-controller, e.g. for heating (the second swit-
ching point can be used for monitoring the function
and release an alarm at over- or undertemperature)
3-point-controller for heating/keeping temperature
Monitoring of resistance 0...850 Ohm
Transducer for Resistance
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