iSMA-B-MINI/MIX BACnet User Manual
www.ismacontrolli.com
DMP261en | 1st Issue rev. 8 | 05/2022
page 14 of 114
Current input
Current measurement in 0 - 20 mA range
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 in 0 to 1000 kΩ range
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
Measurement resolution
12-bit (default) or 16-bits
Processing time
10 ms/channel at 12-bits
140 ms/channel at 16-bits
Digital Inputs
Type
Dry contact
Max. input frequency
100 Hz saved in EEPROM memory
Analog Outputs
Voltage range
0-10 V DC
Max. load current
20 mA, total 60 mA load current for all outputs for MIX18,
MIX18-IP, MIX38, MIX38-IP modules
Resolution
12-bit
Accuracy
± 0.5%
Digital Outputs
(relays)
Contact material
AgSnO
2
UL compliant ratings
Maximum ratings
Resistive load AC1
3 A at 24 V AC
3 A at 30 V DC
3 A at 230 V AC
3 A at 30 V DC
Inductive load AC3
8 VA at 24 V AC
30 W at 30 V DC
75 VA at 230 V AC
30 W at 30 V DC
Capacitive load
50 W at LED + PS 230 VAC
100 W at fluorescent lamps
with electronic ballast
75 W at CFL Compact
fluorescent lamp
