7
7 - ORDERING CODES
Ordering codes model ATR121
ATR121- xx x
AD 12…24Vac ± 10% 50/60Hz
12…35Vdc
A
24 Vac ± 10% 50/60 Hz
B
230 Vac ± 10% 50/60 Hz
Power
supply
C
115 Vac ± 10% 50/60 Hz
Serial
communica
tion
A
AD
T
T
RS485 - protocol Modbus RTU slave.
Relay Q2 not available in this model,
alarm available on SSR output.
Only Code AT: 24Vac +/- 10% 50/60 Hz
Only Code ADT: 12…35Vdc
Ordering codes Model ATR141
ATR141- xx x
AD 12…24Vac ± 10% 50/60Hz
12…35Vdc
A
24 Vac ± 10% 50/60 Hz
B
230 Vac ± 10% 50/60 Hz
Power
supply
C
115 Vac ± 10% 50/60 Hz
Serial
communica
tion
A
AD
T
T
RS485 -protocol Modbus RTU slave.
Relay Q2 not available in this model,
alarm available on SSR output.
Only Code AT: 24Vac +/- 10% 50/60 Hz
Only Code ADT: 12…35Vdc
8
8 - TECHNICAL DATA
Main features
Displays 3 digits (0,56 inches) on ATR121
4 digits (0,40 inches) on ATR141
+ 3 Leds (Out1 , Out2 , Fnc)
Operating temperature 0-40°C - humidity 35..95uR%
Sealing Front panel IP65 (with gasket) /
Box IP30 / Terminal blocks IP20
Material ABS UL94V2 self- exstinguish
Weight Approx. 100 gr.
Hardware data
Analogu
e input
AN1
Configurable via software
Thermocouples:
Type K, S, R, J.
Thermoresistance:
PT100, PT500, PT1000, Ni100,
PTC1K, NTC10K (β 3435K)
Linear:
0-10V (Ri>= 110 KΩ)
0-20, 4-20mA (Ri <=4.7 Ω)
Potentiometers: ≤6KΩ, ≤150KΩ
Tolerance 25°C
0.5 % ± 1 digit for
thermocouples
and RTD
Cold junction
0.2°c/°c of
ambient
temperature
0.2% ± 1 digit for
V, mA
Relay
outputs
2 Relays OUT1 :10A resistive on AD codes,
8A resistive with internal transformer
OUT2 : 5A resistive
SSR
output
8 Volt 20mA for version A/B/C
15 Volt 30mA for version AD (alim. 12Vac)
30 Volt 30mA for version AD (alim. 24Vac)
Software data
Control
algorithm
On/OFF with hysteresis or P.I.D. with
Autotuning
Data
protection
Configuration password, quick programming
by Memory card