Honeywell CC-TDOB01

Product Brief

9-inch non-redundant wiring terminal base for 24 VDC discrete digital output control signals; provides screw terminal connections for solenoid valves, motor starter coils, indicator lights and discrete field actuators; integrates per-channel short-circuit protection, inductive load flyback suppression and channel isolation circuits, mechanical interface between digital output IOM and discrete field actuator wiring.

Category: Honeywell

Description

Technical Specifications

Form Factor Length: 9-inch non-redundant chassis
Supported IOM Quantity: Single digital output IOM per CC-TDOB01
Digital Output Terminal Count: 32 discrete output channel pairs
Nominal Output Load Voltage: 24 VDC sinking/sourcing transistor drive
Per-Channel Continuous Current Limit: 0.5 A maximum
Inductive Load Flyback Suppression Rating: 40 VDC transient absorption
Channel-to-Bus Galvanic Isolation Voltage: 2500 VAC
Terminal Screw Torque Requirement: 0.8 N·m tightening torque
Supported Wire Gauge: 24 AWG to 14 AWG copper solid/stranded wire
Operating Temperature Range: -40 °C to +70 °C
Physical Dimensions: 228 mm × 105 mm × 28 mm
Net Weight: 0.31 kg

Functional Features

Independent per-channel electronic short-circuit current limiting protection
Built-in flyback suppression diodes for inductive solenoid and motor coil loads
Full channel galvanic isolation separating field actuator wiring and DCS backplane circuits
Front labeled terminal block mapped to Experion PKS discrete output channel addressing
Rear edge connector mechanical lock mating with CC-PDOB01 digital output IOM module
Pre-installed DIN rail mounting clip with anti-slip vibration lock

Performance Parameters

Per-channel maximum continuous load current: 0.5 A
Total module aggregate maximum output current: 4 A
Inductive load transient suppression response time: <1 ns
Terminal contact resistance: ≤ 10 mΩ per output channel pair

Material Composition

Chassis Housing: UL94 V-0 flame retardant PA66 glass-filled plastic
Terminal Hardware: Nickel-plated steel fastening screws, gold-plated copper contact blocks
Internal PCB: FR-4 high-temperature industrial circuit board with conformal moisture-resistant coating

Structural Characteristics

9-inch high-density non-redundant IOTA chassis for 32 discrete output channels
Front full-width screw terminal bank for field actuator wiring termination
Single rear edge connector locking onto digital output IOM female port
Full-length DIN rail mounting base for stable rack fixation under industrial vibration

Working Principle

Receives digital control output signals from paired CC-PDOB01 IOM module via rear edge connector; internal drive conditioning circuits generate regulated 24 VDC sinking/sourcing output signals routed to front field actuator terminals. Per-channel current limiting circuits cut off output drive current upon field wiring short circuit to prevent IOM hardware damage. Integrated flyback suppression diodes absorb voltage transients generated by inductive solenoid and motor coil loads during power switching cycles; galvanic isolation barriers eliminate cross-channel noise and ground loop interference between DCS rack and field actuators.

Advantage Highlights

Built-in inductive load flyback suppression eliminates external freewheeling diode wiring for solenoid valves
Per-channel independent short-circuit protection prevents single channel fault from disabling entire module
32-channel high-density layout minimizes cabinet space for large discrete actuator control systems
Non-redundant cost-effective design for non-safety critical discrete control loops
IOM hot-swap capable without field actuator cable disconnection during maintenance

Applicable Industries

General discrete process actuator control: packaging machinery, conveyor valve solenoids, industrial lighting control, water pump starter control, HVAC damper actuators, food manufacturing line automation

Installation Requirements

Mandatory pairing with CC-PDOB01 non-redundant digital output IOM module
Mount on standard 35 mm DIN rail inside Class 1 industrial control cabinet
Discrete actuator wiring uses shielded twisted-pair cable, single-point shield grounding at IOTA earth lug
Maintain minimum 10 mm vertical clearance above chassis for passive heat dissipation
Dedicated cabinet protective earth bus hardwired to CC-TDOB01 ground terminal screw

Usage Precautions

Do not connect field actuator loads drawing more than 0.5 A continuous per single channel
Aggregate total output load across all 32 channels must not exceed 4 A continuous total module rating
Separate high-current motor power wiring from discrete output control cables connected to CC-TDOB01
Do not over-tighten terminal screws beyond specified torque rating to prevent plastic terminal block cracking
Inductive solenoid loads with high inrush current require inrush current limiting resistors added to field wiring

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