Digital I/O Card PLC Module | ABB HAC807A01 3BHE028767R0101
Manufacturer: ABB
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Part Number: HAC807A01 3BHE028767R0101
Condition：New with Original Package
Product Type: PLC Modules
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB HAC807A01 System Circuit Board
Configured for digital logic processing and discrete signal routing in ABB automation platforms, the ABB HAC807A01 3BHE028767R0101 (HAC807A01 PLC Module) provides direct physical/electrical execution. It interfaces 16 digital inputs and 16 digital outputs operating under a 24 VDC system rail, handling signal conditions across 0-10 VDC and 0-20 mA ranges. Driven by 256 KB of onboard memory execution space, the unit manages discrete control loops created in Ladder Logic or Structured Text. Onboard Ethernet and RS-485 serial ports execute real-time communication protocols across distributed controller nodes under extended temperature conditions from -40 to +70 deg C.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | HAC807A01 |
| Brand | ABB |
| Part Number | 3BHE028767R0101 |
| Origin | Switzerland |
| Weight | 0.4 kg |
| Dimensions | 140 mm x 100 mm x 20 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Standard 24 VDC Bus Load |
| Operating Voltage | 24 VDC |
| Memory Capacity | 256 KB |
| Digital Inputs | 16 channels |
| Digital Outputs | 16 channels |
| Output Signal Ranges | 0-10 VDC, 0-20 mA |
| Serial/Network Interfaces | Ethernet, RS-485 |
| Programming Standards | Ladder Logic, Structured Text |
| Protection Circuits | Surge protection, reverse polarity protection |
Backplane Bus Communication Velocity and Deterministic Networks
The module maintains high-velocity data transfer across system backplane connections, routing 32 total discrete input/output channels without cycle time degradation. Onboard communication drivers optimize protocol transmission speeds across Ethernet and RS-485 interfaces to maintain clock synchronization with central PLC controllers. Integrated surge suppression and reverse polarity protection networks safeguard internal memory traces from field bus voltage spikes, preserving firmware flash compatibility and deterministic logic update rates across distributed automation networks.
Frequently Asked Questions
Q: What mechanisms protect the internal digital I/O channels against field power wiring anomalies?
A: Integrated surge protection and reverse polarity protection circuits isolate internal logic components from incoming electrical transients and accidental reverse voltage connections on the 24 VDC supply rail.
Q: How does the unit maintain program execution performance across extreme field temperature ranges?
A: Industrial-grade hardware components maintain continuous internal clock frequency and 256 KB memory access cycles without thermal throttling across the entire -40 to +70 deg C operating envelope.
Q: What grounding and termination precautions must be followed for the RS-485 communication line?
A: Terminate the RS-485 serial network using standard 120-ohm end-of-line resistors across physical ends, and attach the communication cable shield directly to the nearest low-impedance functional earth terminal.
Field Installation Guidelines
Mount the board assembly inside a protective enclosure rated IP54 or higher to protect the open circuit board layout against airborne dust and conductive contaminants. Align the board edges with the panel guide slots and tighten all mounting screws securely to ensure mechanical stability and proper grounding to the chassis backplate.
Wire the 24 VDC power supply lines using copper conductors with correctly fitted wire ferrules. Keep all Ethernet and RS-485 communication lines physically isolated from high-power AC cables to prevent electromagnetic coupling. Connect the main functional earth ground lug directly to the panel earth bus bar using a short, low-resistance ground strap before energizing the 24 VDC loop.