ALSTOM I/OBE2 12004-104-00 V1.0.0 Distributed Safety IO Module

ALSTOM I/OBE2 12004-104-00 V1.0.0 Distributed Safety IO Module

I. Basic Identification
Full Model: I/OBE2 12004-104-00
Firmware Version: V1.0.0
Original Manufacturer: ALSTOM (Specialized for power/gas turbine DCS/SIS systems)
Series归属： IOBUS2 Rack-mounted IO Subsystem, equipped with unit controller and power station safety interlock
Component Code: 12004-104-00, Hardware Material Number, V1.0.0 is the factory-固化 firmware version

Hardware Channel Configuration
Digital Input DI: 16 channels, 24VDC dry-wet contacts, universal type
Digital Output DO： 8 channels， transistor output， driving on-site solenoid valves， relays
Channel Isolation： Channel and logic side 2.5kV electrical isolation， resistant to strong electromagnetic interference from power plant
Channel Self-Diagnosis： Open circuit， short circuit， loop fault onboard indicator lights + remote system alarm
Signal Anti-Jitter： Software configurable input filtering and debouncing， suitable for switch quantity jitter scenarios

Electrical and Installation Parameters
Power Supply： 24VDC (18-30VDC wide input range)， total machine power consumption ≤ 10W， supports redundant dual power supply
Installation： Standard 19-inch rack card-type， compatible with IOBUS2 bus baseboard and power module in the same rack
Environmental Tolerance： Working temperature -20℃ ~ +70℃， IP20 cabinet use
Size Weight： Board card specification 258×225×40mm， net weight approximately 1.15kg
Maintenance Features： Supports hot plugging， automatic restoration of configuration after replacement， no need to stop the entire rack or power off

Communication Bus
Backplane Bus： IOBUS2 Alstom dedicated internal high-speed IO bus， real-time interaction with CPU
Front-end Network Port： 10/100M dual redundant Ethernet
Supported Protocols： Modbus TCP， IEC 60870-5-104 (power remote transmission standard)， Profinet
Redundant Links： Dual network ports parallel transmission， single link failure without control interruption

Safety Level (Core Positioning)
Safety Certification： SIL3 IEC61508， capable of connecting ESD emergency stop， gas detection， unit SIS safety loop
Safety Architecture： Dual-channel fault-safe self-check， onboard periodic BIST built-in self-test
Safety Standards： Cat.4 / PL e mechanical safety standard， applicable to steam turbines， gas turbines protection interlock

Typical Application Scenarios
DCS control IO acquisition for gas/steam turbine generator sets
Power plant SIS safety instrumented system： overspeed， overtemperature， overpressure shutdown interlock
Substation， power grid automation remote switch quantity acquisition (compatible with 104 protocol remote transmission)
Digital signal interface for fire and gas detection FGS system in oil and gas， thermal power devices

Series Identification
IOBUS2 12004-103-01： Bus communication interface card (IOBUS2 backplane main card)
I/OBE2 12004-104-00 V1.0.0： Distributed DI/DO field IO slave card
V1.0.0 is the initial firmware， later upgraded to V1.1/V1.2 to fix communication fault issues， hardware is universal and can directly upgrade firmware