iSMA-B-FCU Hardware User Manual
www.ismacontrolli.com
DMP242en | 1st Issue rev. 3 | 02/2022
page 5 of 53
3 Technical Specification
iSMA-B-FCU-HH
iSMA-B-FCU-HL
iSMA-B-FCU-
LL
Power
Supply
Voltage
230 V AC ± 10%
24 V AC ± 10%
Power Consumption
Max. 12 VA (including 7 VA for triac outputs)
Special
Inputs
Temperature Input
Measurement with attached RTDs
Resolution ±0.1°C
Accuracy ±0.2°C at 25°C
Voltage Input
Voltage measurement from 0 to 10 VDC (Input impedance 120
KΩ)
Resolution ±6 mV
Accuracy ±50 mV
Resistance Input
Resistance measurement from 0 to 700 kΩ
Measurement resolution ±20 Ω for 20 kΩ load
Dry Contact Input
Output current ~0,2 mA
Measurement Resolution
12 bits
Digital Inputs
Type
Dry contact
Max. Input Frequency
100 Hz
Analog
Outputs
Voltage Range
0 to 10 V DC
Max. Load Current
5 mA
Resolution
12 bits
Accuracy
±1%
Digital
Outputs
(Relays)
Resistive Load (FAN, CTG)
6 A at 230 V AC or 6 A at 30 V DC
Inductive Load AC3 (FAN, CTG)
75 VA at 230 V AC or 10 W at 30 V DC
Resistive Load (HTG)
10 A at 230 V AC or 10 A at 30 V DC
Inductive Load AC3 (HTG)
1/2 HP at 230 V AC