iSMA-B-MAC36NL-RS 2020-04-07T08:17:25+00:00



iSMA-B-MAC36NL-RS is a compact Master Application Controller with built-in different types of I/O and operating in the Niagara Framework environment. Using the specific local I/O set 16x UI, 8x AO, 4x DI and 8x DO allows users to use the device in different applications. The controller provides control, data logging, alarming, scheduling, integration and visualisation.



To allow IP connectivity there are 2x Fast Ethernet ports which can operate as two independent ports. Built-in 1x RS485 can be used to expand the number of I/O by connecting iSMA-B-MINI or iSMA-BMIX series I/O modules or to integrate with other subsystems.

There are two more hardware versions of the controller available: standard iSMA-B-MAC36NL and with M-Bus interface.

iSMA-B-MAC36NL-RS provides rich graphical interface displaying on a standard Web browser or on external display connected to built-in HDMI and USB port (touchscreen support)

Main Features

16x Universal Inputs (16UI)

All Universal Inputs have 16-bit ADC which support the following types of inputs:
Temperature input supports the following types of sensors:
10K3A1, 10K4A1, Carel 10K, 20K6A1, 2.2K3A1, 3K3A1, 30K6A1, SIE1, TAC1, SAT1, Pt1000, Ni1000

For sensors Pt1000 and Ni1000 use only 16-bit resolution!

  • Voltage input 0-10 V DC: input resistance 100 kΩ accuracy ±0,1%, measurement resolution 3 mV @ 12-bit
    and 1 mV @ 16-bit
  • Current input 0-20 mA (external resistor 499 Ω required)
  • Resistive input 0-1000 kΩ: measurement resolution
    for 20 kΩ load: 20 Ω @ 12-bit and 1 Ω @ 16-bit
  • Dry contact input

4x Digital Inputs (4DI)

  • Dry contact inputs
  • Fast pulse counter up to 100 Hz saved in SD Card

8x Analog Outputs (8AO)

All Analog Outputs are equipped with 12-bit ADC provides 10 mV resolution and accuracy less than ±0,5%. They support the following output types:

  • Voltage: 0-10 V DC max. load up to 20 mA
  • PWM: 0,01 Hz, 0,1 Hz, 1 Hz, 10 Hz, 100 Hz

8x Digital Outputs (8DO)

  • Relay output (NO): max. 3 A @ 30 V DC


  • Multicore Cortex-A Series ARM Processor
  • Removable micro-SD card – 4 GB
    (2 GB system reserved / 2 GB user storage)


  • RS485 half-duplex, optoisolated
  • Baud rate from 2400 to 115200
  • 2x Fast Ethernet (independent)
  • 2x USB (1x OTG, 1x Host)
  • HDMI type A (standard)
  • Micro SD card slot
  • Second RS485 port

Power supply

  • 24 V AC/DC


  • Dimensions: 160x110x62 mm.
  • Construction: UL approved,
    self-extinguishing plastic (PC/ABS)
  • DIN rail mounting DIN (DIN EN 50022 norm)
  • Cooling: internal air circulation


  • Operating temperature: -10°C to 50°C
  • Storage temperature: -40°C to 85°C
  • Relative humidity: 5% to 95%, no condensation


  • Modbus TCP
  • Modbus RTU/ASCII
  • BACnet IP
  • BACnet MS/TP
  • oBiX
  • SNMP
  • KNX IP
  • M-Bus
  • M-Bus IP
  • LON IP
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