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Siemens S7-1200 AS interface DCM 1271 AS-i Data Coupler
Pricing available on request
Description:
- The DCM 1271 is a data and power decoupling module that separates AS-i communication signals from auxiliary power, ensuring stable operation and diagnostic capability in AS-Interface systems.
- It supports both grounded and ungrounded AS-i networks and includes built-in fault detection and signalling.
Specifications:
- Input Voltage:
- AS-i: 30 V DC.
- Auxiliary: 24 V DC.
- Output Voltage:
- AS-i: 30 V DC.
- Auxiliary: 24 V DC.
- Max Output Current: 4 A.
- Max Input Current: 4.1 A.
- Short-Circuit Protection: Electronic.
- Overload Protection: Integrated.
- Ground Fault Detection: Yes.
- AS-i Power24V Support: Yes.
- Interfaces & Indicators:
- Signalling Contact: 1 NO contact (3 terminals).
- Status LEDs:
- EFD (Earth Fault Detection).
- ASI OL (Overload).
- DIAG (Diagnostics).
- Mechanical Details:
- Mounting: DIN rail or wall mount.
- Terminal Type: Screw-type, removable.
- Wire Range: 0.2–3.3 mm² (AWG 24–16).
- Protection Class: IP20.
- Dimensions (W x H x D): 30 x 100 x 75 mm.
- Environmental Conditions:
- Operating Temperature: 0 to +55 °C.
- Storage Temperature: –40 to +70 °C.
- Humidity: Up to 95% (non-condensing).
- Altitude: Up to 2000 m.
- Compliance & Approvals:
- CE, UL, FM, ATEX, IECEx, DNV, RCM, CQC.
- EMC & Safety: Fully compliant for hazardous locations.
- RoHS & REACH: Compliant.
| SKU | 3RK7271-1AA30-0AA0 |
|---|---|
| Brand | Siemens |
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