NEW SIEMENS 812 0991 01A INTERFACE MODULE CIRCUIT BOARD
| Attribute | Details |
| Product | Siemens 812 0991 01A Interface Module Circuit Board |
| Brand | Siemens AG |
| PCB Reference | 812 0991 01A |
| PCB Revision | 01A |
| Manufacturer Code | 5-D (Siemens production marking) |
| Product Type | Interface Module PCB – Industrial Control System |
| Function | Provides signal interfacing and data routing between Siemens industrial control, automation or fire alarm system modules; processes digital and analog signals via dual high-density edge connectors and internal microcontroller for reliable inter-module communication in Siemens system architecture |
| Board Type | Multi-layer FR4 Glass Epoxy PCB – Siemens industrial grade |
| Main IC | Siemens branded ASIC / microcontroller (visible on component side) |
| Capacitor | 22 µF / 2P7 HHA electrolytic capacitor (onboard power filtering) |
| Connector – Edge (x2) | Dual high-density multi-pin IDC edge connectors (left and right sides) – system backplane / module interconnect |
| Connector – Signal | Small gold-plated multi-pin connector (bottom left) – signal interface |
| Connector – White | White multi-pin connector (bottom right) – secondary signal / power interface |
| PCB Marking | 812 0991 01A (front) / 812 0991 01A S1 (reverse) |
| PCB Color | Green – FR4 glass epoxy multi-layer |
| PCB Size | Compact module card – approximately 120 × 90 mm |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -20°C to +70°C |
| Humidity Resistance | Up to 95% non-condensing |
| Standards Compliance | CE Marked, IEC 61010-1 |
| Compatibility | Siemens industrial control / fire alarm / automation system – verify exact system compatibility using PCB reference 812 0991 01A |
| Application | Signal Interface, Module-to-Module Communication, Control System Backplane Interface |
| Suitable For | Siemens Industrial Automation Systems, Marine Vessel Control Systems, Building Automation, Fire Alarm Control Panels |
| Manufacturer | Siemens AG, Munich, Germany |
| Country of Origin | Germany |
| Condition | New – Open Box |
| Availability | In Stock |
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