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MSI-m/R, MSI-mx/Rx
Configurable Safety Relays
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Integrated Muting functions enable continuous material flow, e.g. for automated production cells or packaging stations, while maintaining the protective function. The protective device assumes the control here of the Muting indicator and in the event of a fault in the Muting sequence guarantees the safe exit of the material to be conveyed out of the Muting line.
With the configurable MSI-m Safety Relays, highly productive Muting solutions are very easily implemented in combination with safety sensors. MSI-m is a configurable MSI Safety Relay type 4, in accordance with IEC/EN 61496-1, and as the link between the opto-electronic protective devices and the machine control system is equipped for numerous Muting function types: be it Sequential or Parallel Muting.
The MSI-mx version even enables Double Parallel Muting for entry and exit areas and the integration of several additional safety-related components, such as E-STOP control devices or protective door switches. This extremely compact combination can also further reduce the costs with the implementation of Muting processes.
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| Special features |
- Sequential Muting or Parallel Muting with automatic mode detection
- MSI-mx for separate Muting of two AOPDs and connection of additional Safety Switch
- Relay switching cycle counting for preventive maintenance (MSI-mx/Rx)
- Standard initiators, Light Beam Devices or limit switch can be connected as Muting sensors
- 2 monitored Muting indicators, warning output with Muting indicator failure
- Potential-free safety-related switching outputs
- Interface for PC-supported diagnostics function for fast start-up
- Housing width, 35 mm
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| Important technical data, overview |
| Type in accordance with IEC/EN 61496-1 (Annex A) |
Type 4 |
| SIL in accordance with IEC 61508 and SILCL in accordance with IEC/EN 62061 |
On request |
| Performance Level (PL) in accordance with EN ISO 13849-1 |
On request |
| Category in accordance with EN ISO 13849 |
Up to 4 (depending on the category of the upstream protective device) |
| Stop category in accordance with IEC/EN 60204-1 |
0 |
| Supply voltage |
24 V DC, ±20 % |
| Response time |
22 to 64 ms depending on safety sensor |
| Safety-related switching outputs (OSSDs) |
MSI-m/R: 2 relay outputs (NO)
MSI-mx/Rx: 3 relay outputs (2 NO, 1 NC) |
| Secondary switching device (SSD), only MSI-mx/Rx |
Relay output (NO) |
| Temperature range, operation |
0...+55 °C |
| Temperature range, storage |
-25...+70 ° C |
| Dimensions (W x H x D) |
52.5 mm x 99 mm x 113.6 mm |
| Functions |
MSI-m/R |
MSI-mx/Rx |
| Max. number of type 2 AOPDs or E-STOP control devices (category 2) |
2 |
4 |
| Max. number of type 4 AOPDs or E-STOP control devices (category 4) |
1 |
2 |
| Additional connectable Safety Switch (category 4) |
0 |
2 |
| Start/restart interlock (RES), optionally with/without |
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| Dynamic contactor monitoring (EDM) |
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| PC diagnostics interface |
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| Sequential Muting |
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| Parallel Muting |
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| Double Parallel Muting on two areas |
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| Muting time monitoring (select/deselect) |
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| Warning, defective Muting indicator |
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| Muting signal output |
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| Relay switching cycle counter for preventive maintenance |
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| System error signal output |
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| Secondary switching device (SSD) – output |
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