Impulse and contact centralisers

Impulse centraliser

LM4I-4O-M

LM4I-4O-M, Impulse centraliser

Code: M31563.

  • Protocol: Modbus/RTU
  • Módules: 4
  • Communications: RS-485
  • Nº relays: 4
  • Digital inputs: 4

INFORMATION

Description

The LM4 is an digital and/or analogue signals centralizer (depending type).
The unit includes an RS- 485 communications bus with a Modbus/ RTU protocol, which allows real time control by communications. The unit is compatible with PowerStudio and PowerStudio SCADA control software.

Other features of LM4A-2IO-M:

  • Telemanagement of the 2 digital outputs
  • Supervision of the 2 digital inputs
  • Monitoring of the 4 analogue inputs

Applications

Reading of any pulse-emitting meter (up to 4 devices). These parameters are useful for generating bills or for specifying a price/unit cost

  • The outputs available on the device can control contacts (gas, water, steam, etc.), and sound and/or light devices to provide protection or alarms by using an internal relay.
  • Detection of logical states for electrical switching or alarms that can control relays through software or modbus communications.

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SPECIFICATIONS

AC power supply
Nominal voltage
85…265 Vca / 120 … 374 Vcc (+/- 15%)
Frequency
47 … 63 Hz
Consumption
4,6 VA ac / 2,5 W
Installation category
CAT III 300 / 520 Vac
Electrical characteristics
Insulation voltage, circuit
2,5 kV, 50 Hz durante 1 min
Digital relay outputs
Type
Relay
Nominal voltage
250 V ~
Nominal current
5 A~ / 250 V~ (with resistive load)
Electrical life
3 x 104 (250 Vca / 5 A)
Digital inputs
Quantity
4
Type
Free of optoisolated voltage
Maximum short-circuit current
50 mA
Minimum signal width
10 ms
Environmental characteristics
Working temperature
-10 … +50 ºC
Relative humidity (without condensation)
5…95%
Protection class
IP 31 (Front), IP 20 (unmounted)
Mechanical characteristics
Envelope
Plastic UL 94 - V0 self-extinguishing
Fastening
DIN rail
Weight (kg)
0,141
Size (mm) width x height x depth
71 x 93 x 58 (mm)
Standards
Standards
IEC 60664, VDE 0110, UL 94, EN-61010-1, EN 55011, EN 61000-4-3, EN 61000-4-11, EN 61000-6-4, EN 61000-4-2, EN 61000-6-2, EN 61000-6-1, EN 61000-6-3, EN 61000-4-5
Certifications
CE, UL, VDE
Electrical safety, Installation category
CAT III 300V / 520V, IEC 61010
Electrical safety, Maximum height (m)
2000
Electrical safety
Insulation
Double-insulated electric shock protection class II (IEC 61010-1)

DIMENSIONS

CONNECTIONS

VIDEOS

DOWNLOADS

Technical guide
Dimensions
Datasheet

ACCESORIES

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