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LUMEL
LUMEL

Lumel - SM2 analogue input converter

  • Conversion of standard signals and temperature into RS485 / Modbus in 4 channels
  • Programmable measurement characteristic
  • Mathematical functions realized between channels and on channels
  • 2 programmable OC outputs
  • Full galvanic separation between inputs

Product description

 

Technical

External Features

 

Overall dimensions

45 x 120 x 100 mm

 

 

Weight

< 0.3 kg

 

 

Protection grade

IP40

from terminal side: IP20

 

Digital Interface

 

Interface type

Transmission protocol

Modes

Baud rate

 

RS-485

Modbus RTU

8N2,8E1,8O1,8N1

2400; 4800; 9600; 19.2 k;
38.4 k; 57.6 k; 115 k bit/s

 

Modbus ASCII

8N1, 7E1, 7O1

Inputs

 

Input type

Range

Error

 

Temperature

-200...850 ºC

0.1%

 

Current

0/4...20 mA

0.1%

 

Voltage

0...10 V

0.1%

 

Resistance

0...400 Ω

0.1%

 

Outputs

 

Output type

Properties

Remarks

 

Digital interface

RS-485

Modbus ASCII/RTU

 

Rated Operating Conditions

 

Supply voltage

85...253 V a.c./d.c. (40...400 Hz) or d.c.
20...50 V a.c./d.c. (40...400 Hz) or d.c.

Input power: ≤ 4 VA

 

Temperature

ambient: -10...23...55°C

 

 

Relative humidity

< 95%

 

 

Operating position

on a TS35 rail

 

 

External magnetic field

< 400 A/m

 

 

Safety and Compatibility Requirements

 

Electromagnetic compatibility

Noise immunity

acc. to EN 61000-6-2

 

Noise emissions

acc. to EN 61000-6-4

 

Isolation between circuits

 

acc. to EN 61010-1

 

Pollution level

2

 

Installation category

III

 

Maximum phase-to-earth operating voltage

Supply: 300 V, input 50 V, Output: 50 V

 

Altitude a.s.l.

2000 m

 

 

Connection diagram

 

Measured signal

 

 

4 voltage inputs

4 current inputs

2 voltage inputs
2current inputs

4 RTD inputs in
a 2-wire system
or resistance
measurement

 

Connection
way

 

 

Connection way
of external signals

Connection way of
the RS-485 interface

Connection way of
the RS-232 interface

 

 

 

Ordering code


Example of Order:
The code:
SM2 - 01 1 8 means:

SM2 -

Module of SM2 type

 

01 -

4 current inputs: 0/4...20 mA

 

1 -

supply: 85...253 Va.c./d.c.

 

8 -

without additional quality inspection certificate

 

 

Part numbers

Parts Price

Part

SM2001
SM2 Module, 4 x 0-10V Inputs,85-253V ac/dc

Resource

Contact us

If you need any help, you can contact us in one of the following ways:

0116 284 9900

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