ABB SPSED01 16-Channel Sequence of Events Module
Manufacturer: ABB
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Part Number: SPSED01
Condition：New with Original Package
Product Type: Digital Input Modules
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB SPSED01 Symphony Plus HR Series Sequence of Events Digital Input Module
The ABB SPSED01 is a 16-channel Sequence of Events (SOE) digital input module designed for ABB Symphony Plus HR Series (Harmony Rack) distributed control systems. It monitors digital signals from field devices, recording state changes for system diagnostics and event tracking. Each input channel features optical isolation and supports configurable input voltage levels, operating alongside an SPSET01 timing module on the I/O expander bus segment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SPSED01 |
| Brand | ABB |
| Product Family | Symphony Plus |
| Product Series | HR Series (Harmony Rack) |
| Product Type | Sequence of Events Digital Input Module |
| Number of Input Channels | 16 channels |
| Input Type | Digital |
| Channel Isolation | Optical isolation |
| Configurable Input Voltage | 24 V DC, 48 V DC, 125 V DC, 120 V AC |
| Input Voltage Tolerance | ±10% |
| Microprocessor | 16-bit, 10 MHz |
| RAM | 64 KB |
| ROM | 64 KB |
| Communication Interface | I/O expander bus |
| Time Synchronization | Relies on accompanying SPSET01 module (does not decode time-sync link directly) |
| Maximum Module Quantity | Up to 63 modules per I/O expander bus segment |
| Power Supply | +5 V DC |
| Power Supply Tolerance | ±5% |
| Typical Current Consumption | 350 mA |
| Typical Power Consumption | 1.75 W |
| Operating Temperature | 0 to +70 deg C |
| Protection Rating | IP20 |
| Net Weight | 0.295 kg |
Channel Processing and Bus Configuration
The module is driven by an internal 16-bit, 10 MHz microprocessor supported by 64 KB of RAM and 64 KB of ROM to capture digital state transitions across its 16 optically isolated inputs. Input voltage ranges are field-configurable to accommodate 24 V DC, 48 V DC, 125 V DC, or 120 V AC circuits with a ±10% tolerance band.
Verification: Ensure that field input voltage ratings match the configured range of the module channels to prevent hardware damage.
Communication with the controller rack occurs over the I/O expander bus. While the SPSED01 processes 16 field inputs, it does not directly decode time-synchronization data; instead, it operates alongside an SPTKM01 / SPSET01 timing architecture, allowing up to 63 SPSED01 modules to share a single bus segment.
Rack Mounting and Powering
The unit installs directly into standard Harmony Rack chassis slots inside IP20 control enclosures, utilizing internal backplane power distribution.
Verification: Confirm that rack power supplies provide adequate capacity for the module's 350 mA current draw at +5 V DC.
Operating power is drawn at +5 V DC with a 1.75 W typical power consumption profile. The module functions reliably across an ambient temperature range of 0 to +70 deg C in industrial control environments.
Frequently Asked Questions
Q: How many digital input channels does the SPSED01 module provide? A: It features 16 optically isolated digital input channels configured for sequence-of-events monitoring.
Q: What input voltage levels are supported by the module channels? A: Channels can be configured to accept 24 V DC, 48 V DC, 125 V DC, or 120 V AC signals.
Q: Does the SPSED01 handle time synchronization independently? A: No, it does not decode time-synchronization link information directly; it operates on an I/O expander bus alongside an SPSET01 timing module.