Product Description
Manufacturer: BACHMANN
Model/Part Number: SDO204
Description: Safety Digital Output Module
Item Numbers:
-
SDO204: 00014545-00
-
SDO204❄: 00017462-00
Features
- 8 digital outputs – can be used redundantly in pairs (PL e/SIL3/Cat 4)
- Electronic fuse for output groups
- Status display via LED
- Safe time-delayed emergency shut-off (configurable 0–1800 s, 100 ms resolution)
- Emergency shut-off activated in case of communication loss (e.g., cable break or power failure)
Digital Outputs
| Parameter |
Specification |
| Quantity |
8 digital outputs (can be used redundantly in pairs, PL e/SIL3/Cat 4) |
| Output Voltage Range |
18–34V DC |
| Output Current (Per Channel) |
2A nominal |
| Total Current Per Group (Max.) |
8A (derating from 40°C ambient temperature) |
| Delay 0 → 1 |
Max. 35µs at full load |
| Delay 1 → 0 |
Max. 155µs at full load |
| Output Groups |
2, electronic fuse |
| Switching Frequency (Max., Ohmic Load) |
500Hz |
| Error Monitoring |
Short circuit, overload, inadequate or excess power supply voltage |
Internal Power Supply
| Parameter |
Specification |
| Galvanic Isolation (System) |
500V |
| Galvanic Isolation (Groups) |
500V |
| Internal Power Supply |
Backplanes BS2xx |
| Current Consumption |
5V / 250mA via backplane |
External Power Supply
| Parameter |
Specification |
| Reverse Polarity Protection |
Yes |
| Input Voltage |
24V DC (18–34V) |
| Voltage Range |
18–34V DC |
| Current Consumption |
70mA at 24V DC + Σ current consumption of encoders |
Connection Technology
- Screw or spring terminal
- Writable and codable plug
Standards Compliance
-
Machine Safety: IEC 61508 (Functional safety for E/E/PE safety components)
-
Approved for:
- ISO 13849 (Safety of machinery)
- IEC 62061 (Functional safety of machine-related E/E/PE systems)
- IEC 61511 (Functional safety in process industry)
- EN 954
-
Product Standards: IEC 61131-2, UL508
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