Technical Specification

		iSMA-B-MAC36NL	iSMA-B-MAC36PRO
Power Supply	Voltage	24 V AC/DC ± 20% isolated
Power Supply	Power consumption	14 W at 24 V DC; 24 VA at 24 V AC
Universal Inputs	Temperature input	Measurement with attached RTDS Accuracy ±0.1˚C For sensor PT1000 and NI1000 use 16-bit resolution
	Voltage input	Voltage measurement from 0-10 V Input impedance 100 kΩ Measurement accuracy ±0.1% Measurement resolution 3 mV at 12-bit and 1 mV at 16-bit
	Current input	Current measurement 0-20 mA Required external resistor 200 Ω Measurement accuracy ±1.1% Measurement resolution 15 µA at 12-bit and 5 µA at 16-bit
	Resistive input	Measurement of resistance from 0 to 1000 kΩ Measurement resolution for 20 kΩ load 20 Ω at 12-bit and 1 Ω at 16-bit Measurement resolution for PT1000 and NI1000 0.1 Ω at 16-bit
	Resistance measurement method	Voltage divider
	Dry contact input	Output current ~1 mA Switching threshold: ON <5 kΩ, OFF >8 kΩ
	Measurement resolution	12-bits (default) or 16-bits
	Processing time	10 ms/channel at 12-bits 140 ms/channel at 16-bits
Digital Inputs	Type	Dry contact
	Switching threshold	ON <5 kΩ, OFF >8 kΩ
	Max. input frequency	100 Hz
Analog Outputs	Voltage range	0 to 10 V DC
	Max. load current	20 mA
	Resolution	12-bits
	Accuracy	±0.5%
Digital Outputs (relays)	Contact material	AgSnO2
Digital Outputs (relays)	Resistive load	3 A at 230 V AC/30 V DC
RS485 Interface (base and optional)	RS485	Up to 128 devices
	RS485	Half-duplex, opto-isolated
	Communication protocols	Modbus RTU/ ASCII, BACnet MS/TP
	Baud rate	From 2400 to 115200
	Address	1 to 247
M-Bus Interface (optional)	Voltage	30 V
	Max. current load	30 mA
	No. of devices	Up to 20
	Baud rate	300-19200
	Max. cable length	350 m
	Niagara support	From N4.8 (1147)	From N4.10.U6
Ethernet	2 Fast Ethernet	Independent mode
Ethernet	Baud rate	10/100 Mb/s
USB	2 USB	1 OTG, 1 host
HDMI	1 HDMI	Standard type A
SD Card	1 microSD	2 GB system reserved/2 GB user storage	4 GB system reserved/4 GB user storage
Ingress Protection	IP	IP30
Temperature	Storage	-40˚C to 85˚C (-40˚F to 185˚F)
Temperature	Operating	0˚C to 50˚C (32˚F to 122˚F)
Humidity	Relative	5% to 95% RH
Connectors	Type	Removable screw terminals
Connectors	Maximum cable size	2.5 mm²
Housing	Construction	UL approved, self-extinguishing plastic (PC/ABS)
Housing	Mounting	DIN (DIN EN 50022 norm)
Dimension	Width	111 mm/4.4 in
	Length	160 mm/6.3 in
	Height	62 mm/2.45 in

Technical specification