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LUMEL

LUMEL

Lumel SM3 digital/pulse input converter

  • Conversion of logic states or impulses into RS-485 Modbus
  • Two programmable logic or counter inputs
  • Auxiliary counters with reset possibility
  • Counter state stored in the non-volatile memory

Product description

 

Technical

External Features

 

Overall dimensions

22.5 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

 

Logic

0 logic 0…2.4 V
1 logic 3.4…24 V

 

Counter

0..4 294 967 295 impulses; min. impulse time: 0.5 ms

 

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

Connection way of
the RS-485 interface

Connection way of
the RS-232 interface

 

 

Electrical connection of
the logic input module

Connection way of
the logic inputs

 

 

 

Ordering code


Example of Order:
The code:
SM3 - 1 00 7 means:

SM3 -

Module of SM3 type

 

1 -

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

 

00 -

standard version

 

7 -

with additional quality inspection certificate

 

 

Part numbers

Parts Price

Part

Lumel SM3 digital/pulse input converter

SM3100
SM3 Module, 85-253V ac/dc Supply

Contact us

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

0116 284 9900

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