Description
Honeywell 51190896-100
Technical Specifications
- Channel Quantity: Multi-channel digital output
- Contact Type: Dry contact relay output
- Contact Rating: 250VAC, 5A resistive load
- Backplane Interface: TDC 3000 proprietary backplane bus
- Power Supply: 5VDC from rack backplane
- Operating Ambient Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 90% RH non-condensing
- Isolation Rating: 1500VAC channel to logic isolation
- Mounting Method: Plug-in slot installation on TDC 3000 rack
- Certification: UL, CE, RoHS
Functional Features It receives binary control command from TDC 3000 control logic board via backplane bus. It drives corresponding relay coil to change dry contact state. Each channel supports configurable fail-safe state when communication loss occurs. It monitors relay coil drive status and contact feedback. It uploads channel output status and drive fault diagnostic information to control board and TDC 3000 operator station. It has independent LED indicator for module power, module fault and each channel status. It adopts removable terminal block for pre-wiring and fast replacement. It supports hot swap replacement without chassis power shutdown. It supports channel output configuration and interlock mapping via TDC 3000 engineering software. It provides surge protection for relay contact circuit.
Application Scenarios Burner management system gas solenoid valve interlock output Field alarm horn and warning light drive Pump and fan auxiliary contact control Safety interlock cut-off loop output Petrochemical plant emergency shutdown auxiliary relay drive
Performance Parameters
- Relay Action Response Time: Less than 10ms
- Mean Time Between Failures: 850000 hours
- Insulation Resistance: Greater than 1000 MΩ
- ESD Immunity: 8kV contact discharge
- Terminal Wiring Specification: 0.5mm² to 2.5mm² copper wire
Material Composition FR4 flame retardant conformal coated PCB Multiple sets of electromagnetic relay components Relay drive optocoupler isolation circuit TVS surge suppression diodes Nylon UL94 V-0 removable terminal block ABS flame retardant plastic housing Tri-color LED status indicators Metal locking buckle for chassis slot
Structural Features Compact plug-in paddle card form factor matching TDC 3000 rack slot. Front panel integrates removable terminal plug and channel LED indicators. Rear backplane connector provides power supply and digital communication with control logic board. Internal PCB layout separates relay high voltage contact circuit and low voltage logic circuit for isolation. Anti-key notch prevents reverse insertion. Locking clip secures module firmly in chassis slot. Independent isolation barrier for each channel reduces cross-channel interference.
Working Principle TDC 3000 control logic board sends digital output command to 51190896-100 module via backplane bus. Optocoupler isolation circuit receives command and drives corresponding relay coil. Relay contact changes state to switch external field circuit. Sampling circuit continuously monitors relay coil status and contact feedback. If relay drive fault or communication timeout is detected, module switches all channels to pre-configured safe state. Module uploads channel status and fault information back to control board and operator station.
Installation Requirements Wear anti-static wrist strap before inserting module into vacant TDC 3000 chassis slot. Lock module buckle after alignment. Connect field control cable to relay terminal block. Configure contact type and communication loss fail-safe value in TDC 3000 engineering software. Power on chassis and test relay action by forcing output point. Separate relay output cable from analog signal cable in wiring duct. Verify interlock action before putting safety loop into service.
Usage Notes Do not exceed rated contact load of relay channel. Add external surge suppression diode for inductive load such as solenoid coil. Do not connect high voltage power directly to terminals without load protection. Check terminal screw tightness periodically under vibration environment. Replace module when contact burnout or adhesion fault occurs.




