Configured for high-density signal distribution and power routing in Experion PKS DCS platforms, the Honeywell CC-TUIO11, also cataloged as the CC-TUIO11 Universal Input Output I/O Termination Assembly (IOTA), provides direct physical/electrical execution. It handles field wiring interfacing and power distribution for up to 32 configurable channels when paired with the CC-PUIO01 I/O module.
Hardware Specifications
Parameter
Specification
Model
CC-TUIO11
Brand
Honeywell
Origin
USA
Weight
3 Kg
Dimensions
18 in (Length)
Operating Temp
0 to 60 deg C
Power Consumption
System powered via backplane bus
Channel Capacity
32 Channels
Redundancy
Supported (Redundant IOTA Configuration)
Compatible I/O Module
CC-PUIO01
Cold Junction Compensation and Channel Isolation Features
The Honeywell CC-TUIO11 incorporates high-performance channel-to-channel isolation and integrated cold junction compensation (CJC) pathing to preserve signal integrity across 32 universal channels. Each terminal block path supports dynamic reconfiguration for 4-20 mA HART loop protocol signals, analog inputs, analog outputs, digital inputs, and digital outputs without physical jumper adjustments. Internal suppression circuits prevent transient surges on field signal lines from propagating into the redundant CC-PUIO01 controller interface.
Frequently Asked Questions
Q: How does the CC-TUIO11 maintain continuous signal processing during module replacement?
A: The redundant CC-TUIO11 assembly provides dual mounting positions for two CC-PUIO01 modules. One module can be removed and replaced without interrupting power or field signal connections on the active channel.
Q: What are the field wiring limits for the 32-channel terminal connections on this IOTA?
A: The screw terminal blocks accommodate field conductors up to 14 AWG. Standard shielding practices require single-point grounding at the primary shield bar on the assembly chassis to eliminate ground loop currents.
Field Installation Guidelines
Mount the 18-inch CC-TUIO11 assembly securely onto the vertical enclosure carrier chassis using standard mounting hardware.
Ensure the primary ground lug is bonded to the main cabinet protective earth (PE) bar using a low-impedance copper conductor before connecting field wiring.
Dress the 32 field signal cables through side wire ducts, maintaining at least 50 mm separation from high-voltage AC lines.
Verify correct seating of field terminal blocks and enforce standard NPT or cable gland strain relief procedures.
Align and press the CC-PUIO01 primary and secondary modules into the redundant base sockets until retention latches fully engage.
