https://www.phoenixcontact.com/us/products/2835079
Signal converter - PI-EX-THC-I - 2835079
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Ex i thermocouple with mV input: converts signals from thermocouples installed in the Ex area and mV sources
and transmits a 4 - 20 mA signal to a load in a safe area. Freely programmable. 3-way electrical isolation.
Custom-configured.
Key Commercial Data
Packing unit
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
1 pc
98.0 g
85437090
United Kingdom
Technical data
Dimensions
Width
Height
Depth
12.4 mm
145 mm
147 mm
Ambient conditions
Ambient temperature (operation)
Ambient temperature (storage/transport)
Degree of protection
-20 °C ... 55 °C
-40 °C ... 85 °C
IP20
Input data
Input
Configurable/programmable
Sensor types that can be used (TC)
Input signal range
Input accuracy
Intrinsically safe
Freely programmable, configured
J, K, T, E, R, S, B, N
-75 mV ... 75 mV (minimum measuring range span 3 mV)
±15 μV or ± 0.05% of the input value, if this result is greater, at 20°C
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Signal converter - PI-EX-THC-I - 2835079
Technical data
Output data
Signal output
Current output signal
Load/output load current output
Behavior in the event of a sensor error
Measuring accuracy
Current output
4 mA ... 20 mA
≤ 600 Ω
upscale, downscale or off, LED flashes
± 11 μA
Power supply
Supply voltage range
Max. current consumption
Power consumption
20 V DC ... 35 V DC
64 mA (24 V DC / 20 mA)
1.5 W (24 V DC / 20 mA)
Connection data
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section flexible min.
Conductor cross section flexible max.
Conductor cross section AWG min.
Conductor cross section AWG max.
Tightening torque, min
Tightening torque max
0.2 mm²
2.5 mm²
0.2 mm²
2.5 mm²
24
14
0.5 Nm
0.6 Nm
General
No. of channels
Maximum transmission error
Temperature coefficient, typical
Typical cold point errors
Status display
Flammability rating according to UL 94
Housing material
Color
Designation
Electrical isolation
Designation
Electrical isolation
Designation
Electrical isolation
Conformance
ATEX
UL, USA / Canada
1
< 0.12 % (of end value 20 mA, at 20°C, -75 mV ... 75 mV input range)
± 0.003 % (of input value /°C)
1.5 °C
Green LED, for power supply, flashes in the case of sensor defect
V0
PBT and polyamide PA non-reinforced
green
Input/output
250 V
Input/power supply
250 V
Output/supply
1.5 kV AC (50 Hz, 1 min., test voltage)
CE-compliant
II (1) GD [EEx ia] IIC
cULus
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https://www.phoenixcontact.com/us/products/2835079
Signal converter - PI-EX-THC-I - 2835079
Technical data
Safety data
Max. output voltage U
o
Max. output current I
o
Max. output power P
o
Group
Max. external inductivity L
o
Max. external capacity C
o
Group
Max. external inductivity L
o
Max. external capacity C
o
Safety-related maximum voltage U
m
1.1 V
4 mA
1 mW
IIB
178.4 mH
500 µF
IIC
48.7 mH
22 µF
250 V AC
Standards and Regulations
Flammability rating according to UL 94
Conformance
ATEX
UL, USA / Canada
Group
V0
CE-compliant
II (1) GD [EEx ia] IIC
cULus
IIB
IIC
Classifications
eCl@ss
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
eCl@ss 7.0
27200206
27200206
27200206
27200206
27200206
27200206
ETIM
ETIM 2.0
ETIM 3.0
ETIM 4.0
ETIM 5.0
EC001446
EC001446
EC001446
EC001446
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
30211506
39121008
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https://www.phoenixcontact.com/us/products/2835079
Signal converter - PI-EX-THC-I - 2835079
Classifications
UNSPSC
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
39121008
39121008
39121008
Accessories
Additional products
Basic terminal block - PI-EX-TB - 2835901
Ex base terminal block for intrinsically safe signals with knife disconnection and test connections
Surge protection device - TT-PI-EX-TB/T - 2858344
Intrinsically safe basic terminal block with isolating connector, test connections and surge protection, with additional
temperature measurement of the input terminal block for cold junction compensation, for mounting on NS 35/7.5
Drawings
Block diagram
Dimensional drawing
145
IN
OUT
12,4
+
+
mV
-
+-
- +- +
UB+
UB-
4...20 mA
-
UB+
UB-
UB+
UB-
PWR
STAT
PI-EX-THC-I
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