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Transmitter
Transmitter LKM 231
LKM 231
aditional pictures:

Anschlussbelegung    

 

Transmitter for thermocouples
- DIN rail mounting -

with galvanic isolation

 

The LKM 231 is an analog transmittter for several thermocouples acc. to DIN EN 60584

and DIN 43710. It changes the temperature-dependent thermovoltage of the sensors in an

analog standard output current signal of 4...20mA. It has an galvanic isolation from

input to output. The could-junction compensation happens inside the transmitter by

self. The transmitter LKM 231 will be delivered with the configuration as desired.


The alignment takes place depending upon measuring range and type of thermocouple in

such way that the arising temperature errors are minimized. A voltage-linear alignment
for the subsequent treatment of the measured values in PC or SPS can be made likewise.
This should be indicated for the order as. The final adjustment takes place by means of

span and zero regulators.

 

 

Input

thermocouple K, J(L), T(U), N, E;

S B with higher fault

Output

4 ... 20mA

Range

> 200°C*

Zero point

-200°C ... +600°C*

Loop voltage

10...35VDC, reverse protection

Sensor fracture

>20 mA

Shorted Sensor

room ambient temperature

Auxiliary supply

24V DC ±10%, reverse protection

Permissible ripple

< 10 %

Reaction time

< 0.1s

Vibration

5g/10-200Hz

Insulation voltage

1 kV

Linearity error

<0.1% FS*

Error of compensation

<±0.5°C

TCR

<100ppm/°C

Operating temperature range

-25°C ... +85°C

Terminal type

screw terminal

Clamping range

0.2...2.5mm²

Humidity

< 95%

EMC emission

EN 61000-6-3:2001

EMC interference rejection ratio

EN 61000-6-3:2001

Mounting

35mm DIN rail

Current consumtion

max. 40 mA

Case

EMG25-LG

Case material

Polycarbonat

Case dimension (HxWxD)

75 x 25 x 53 mm

Weight

approx. 60g


*depend on thermocouple

11/2016 technical changes are reserved
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