216EA61B HESG324258R12 ABB 24VDC Discrete Input Module
Manufacturer: ABB
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Part Number: 216EA61b
Condition：New with Original Package
Product Type: Advant OCS Components
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The ABB 216EA61B (specifically the HESG448230R1 / HESG324258R12 variants) serves as a high-performance discrete signal interface for the Advant OCS and Symphony Plus distributed control systems (DCS). This 100% brand new and original module converts field-level signals from limit switches, sensors, and actuators into system-ready data. By integrating galvanic isolation and real-time diagnostics, the 216EA61B protects the system backplane from field-side electrical disturbances while ensuring high signal integrity in mission-critical utility and manufacturing environments.
Technical Specifications
| Parameter | Specification Details |
| Model Number | 216EA61B |
| Part Numbers | HESG448230R1 / HESG324258R12 |
| System Family | Advant OCS, Symphony Plus |
| Signal Type | Discrete / Digital Input (24 VDC Nominal) |
| Galvanic Isolation | ≥ 500 V AC RMS (Channel to Bus) |
| Power Consumption | Drawn via System Backplane (24 VDC) |
| Operating Temp | 0 °C to +55 °C |
| Humidity | 5% – 95% (Non-condensing) |
| Weight | 0.5 kg |
| Dimensions | 12.7 cm x 7.6 cm x 17.8 cm |
| Country of Origin | Switzerland |
Engineering Advantages
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Eliminate Electrical Noise: The module utilizes 500V galvanic isolation to decouple field circuits from the sensitive CPU logic. This prevents ground loops and voltage spikes from damaging the controller or corrupting data.
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Zero-Downtime Maintenance: The hot-swappable architecture allows engineers to replace modules while the system remains powered. This capability minimizes Mean Time to Repair (MTTR) and prevents costly process interruptions.
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Instant Diagnostics: Front-mounted status LEDs provide immediate visual confirmation of channel activity and hardware health. Operators can identify failed field switches or wiring faults without opening engineering software.
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Optimized Cabinet Density: The compact Swiss-engineered form factor maximizes I/O density within standard ABB racks. It fits seamlessly into space-constrained control cabinets used in power generation and water treatment plants.
FAQs
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Can the 216EA61B handle both NPN and PNP inputs?
The module typically interfaces with standard 24 VDC discrete signals. You must verify your specific wiring diagram (HESG448230R1 vs HESG324258R12) to ensure the sink/source configuration matches your field device requirements.
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Does this module require external power for the input channels?
While the module logic draws power from the backplane, the field-side loops generally require an external 24 VDC power supply to drive the signals through the sensors and switches to the input terminals.
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How does the system recognize a new 216EA61B after replacement?
The ABB Control Builder or Symphony Plus engineering tool automatically recognizes the module once inserted into the designated slot. The hot-swap feature ensures the system retains the existing configuration parameters without requiring a manual reboot.