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MSI-mE/R, MSI-mxE/Rx
Configurable Safety Relays
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The configurable MSI-mE or MSI-mxE Safety Relay type 4, in accordance with IEC/EN 61496-1, has an identical scope of functions to the MSI-m/R and MSI-mx/Rx Muting interfaces and meets the increased temperature requirements of UL 508.
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| Special features |
- UL and CSA certified
- Sequential Muting or Parallel Muting with automatic mode detection
- MSI-mx for separate Muting of two AOPDs and connection of additional Safety Switch
- 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
- Plug-in connection terminals and output modules
- Interface for PC-supported diagnostics function for fast start-up
- Housing width, 53 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-mE/R: 2 relay outputs (NO)
MSI-mxE/Rx: 3 relay outputs (2 NO, 1 NC) |
Secondary switching device (SSD),
only MSI-mxE/Rx |
Relay output (NO) |
| Temperature range, operation |
0...+55 °C |
| Temperature range, storage |
-25...+70 ° C |
| Dimensions (W x H x D) |
70 mm x 99 mm x 113.6 mm |
| Functions |
MSI-mE/R |
MSI-mxE/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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| Static contactor monitoring (EDM) |
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| Dynamic contactor monitoring (EDM) |
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| Cross circuit monitoring |
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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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