Impulse centraliser

LM4A-2IO-M

LM4A-2IO-M, Impulse centraliser

Code: M31565.

  • Protocol: Modbus/RTU
  • Analogue Inputs: 4 (0…20mA)
  • Módules: 4
  • Communications: RS-485
  • Nº relays: 2
  • Digital inputs: 2

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.

SPECIFICATIONS

AC power supply
Consumption
3,5 VA
Frequency
47 … 63 Hz
Nominal voltage
85…265 Vca / 120 … 374 Vcc
Mechanical characteristics
Size (mm) width x height x depth
71 x 93 x 58 (mm)
Envelope
Plastic UL 94 - V0 self-extinguishing
Cable gauge at power supply terminals
1 mm2 (min.)
Fastening
DIN rail
Weight (kg)
0,133
Environmental characteristics
Protection class
IP 20
Relative humidity (without condensation)
5…95%
Operating temperature
-10 … +60 °C
Standards
Certifications
CE, UL, VDE
Electrical safety, Maximum height (m)
2000
Electrical safety, Installation category
CAT III 300V / 520V, IEC 61010
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
Communications
Data bits
8
Stop bits (ModBus)
1
Parity
No parity
Protocol
Modbus RTU
Speed
9600/19200
Connection mechanism
Ethernet 10BaseT / 100BaseTX autodetectable
Electrical safety
Insulation
Double-insulated electric shock protection class II (IEC 61010-1)
Analogue inputs
Quantity
4
Input impedance
100 Ω
Nominal range
0 … 20 mA
Measurement type
Current analog
Digital inputs
Quantity
2
Type
Free of optoisolated voltage
Maximum short-circuit current
50 mA
Digital relay outputs
Quantity
2
Type
Relay
Maximum open contact voltage
250 V ~
Electrical life
3 x 104 (250 Vca / 5 A)
Mechanical life
2 x 107
Maximum switching capacity
750 VA

DIMENSIÓN

VÍDEOS

DESCARGAS

Technical guide
Dimensions
Diagram connection
Datasheet
Leaflet

ACCESORIOS