| Model: | iSMA-B-MIX38 | iSMA-B-MIX18 |
| Power Supply: | DC: 24 V ± 20%, 1 W; AC: 24 V ± 20%, 3.2 VA | DC: 24 V ± 20%, 3 W; AC: 24 V ± 20%, 4.5 VA |
| Universal inputs: | 8x voltage, current and resistance measurement, dry contact | 5x voltage, current and resistance measurement, dry contact |
| Digital inputs: | 12x dry contact input, high-speed pulse counter up to 100 Hz | 5x dry contact input, high-speed pulse counter up to 100 Hz |
| Analog outputs: | 6x 0-10 V DC output, maximum load up to 20 mA per channel, 60 mA maximum total load for analog outputs | 4x 0-10 V DC output, maximum load up to 20 mA per channel, 60 mA maximum total load for analog outputs |
| Digital outputs: | 12x relay output | Maximum ratings | UL compliant ratings | 4x relay output | Maximum ratings | UL compliant ratings |
| Resistive load max | 3 A @ 230 V AC 3 A @ 30 V DC | 3 A @ 24 V AC 3 A @ 30 V DC | Resistive load max | 3 A @ 230 V AC 3 A @ 30 V DC | 3 A @ 24 V AC 3 A @ 30 V DC |
| Inductive load max. | 75 VA @ 230 V AC 30 W @ 30 V DC | 8 VA @ 24 V AC 30 W @ 30 V DC | Inductive load max. | 75 VA @ 230 V AC 30 W @ 30 V DC | 8 VA @ 24 V AC 30 W @ 30 V DC |
| Interface: | RS485 half duplex, Modbus or BACnet, up to 128 devices on the bus |
| Address: | Set by switch in the range from 0 to 99 |
| Baudrate: | Set by switch in the range from 4800 to 115200 bps |
| Ingress protection rating: | IP40 - for indoor installation |
| Temperature: | Operating: -10°C to +50°C (14°F to 122°F) Storage -40°C to +85°C (-40°F to +185°F) |
| Relative humidity: | 5 to 95% RH (without condensation) |
| Connectors: | Separable, max 2.5 mm2 (18–12 AWG) |
| Dimensions: | 160x110x62 mm (6.30x4.33x2.44 in) | 88x110x62 mm (3.46x4.33x2.44 in) |
| Mounting: | DIN rail mounting (DIN EN 50022 norm) |
| Housing material: | Plastic, self-extinguishing PC/ABS |