MOSAIC MI8O4C RV
Expansion Unit ATEX standards compliant, 8 Inputs, 4 single (or 2 pairs) OSSD (SIL 3), Clamp terminal blocks
Applications: HMI & Controls, Safety Systems
Description
Additional Input/Output unit
8 digital inputs, 2 inputs for Start/Restart interlock and external device monitoring (EDM), 4 single OSSD safety outputs or 2 pairs, 2 status outputs, 4 test outputs.
Electronics protected by protective film that acts as a barrier against dust and moisture and protects the board from salt and chemical corrosion.
Designed to operate in environments with potentially hazardous atmospheres, it is classified: 3G Ex ec IIC T5 Gc with -40°C ≤ Tamb ≤ +50°C | 3G Ex ec IIC T4 Gc with -40°C ≤ Tamb ≤ +65°C.
Technical Data
Features
| Safety level | PL e |
| Safety inputs | 8 digital inputs (4 mA max.) |
| Safety level (SIL / PL) | SIL 3 – SILCL 3 – PL e – Cat. 4 |
| Operating temperature (°C) | – 40 … 65 |
| Signalling | LEDs indication for operating status and fault diagnosis. LED indication of the: inputs, OSSD outputs and status outputs condition |
| Safety output type | 4 single OSSD, or 2 pairs (PNP – 400mA at 24 VDC) with protection against short circuit, overload and reverse polarity |
| Connections | Removable terminal blocks, screw contacts |
| MTTFD (ISO13849) years | 30 … 100 |
| PFHD (IEC 61508) | 2,89E-08 |
| Safety outputs | 4 single OSSD, or 2 pairs (400 mA) |
| Status outputs | 4 PNP (100 mA) |
| Test outputs | 4 |
| Storage temperature (°C) | – 40 … 85 |
| MSC connector provided | Yes |
| Connection with MSC BUS | Yes |
| Start/Restart inputs and EDM | Up to 4 |
| Product class | B |
Electrical data
| Power supply (VDC) | 24 ± 20% |
Mechanical data
| Dimensions HxWxD (mm) | 108 x 22,5 x 114,5 |
| Degree of protection | IP20 for housing – IP2X for terminal block |
| Fastening | 35 mm DIN rail fastening according to EN 50022-35 standard |
