Honeywell EP-DOCX-SCA-SMSC-100 Universal Signal Conditioning Wiring Solution for Safety Systems (UMS)

Characteristics of UMS overall solution

Modular plug and play: SCA single channel adapters are directly hot swappable on the base plate, eliminating the need for on-site custom wiring and reducing manual wiring inside the cabinet. The maximum processing capacity of a single base is 16 IO channels.

Integrated hardware functions: Each channel comes standard with fuses and knife type disconnect switches for easy maintenance and circuit disconnection testing; Equipped with fuse melting indication and measuring probe points; Support 2-wire/3-wire on-site equipment.

Three layer on-site terminal architecture, adapted to different on-site wiring habits; Vertical DIN rail installation, suitable for cable cabinet entry/exit.

Interface system: 37 pin D-SUB (SIC) cable docking safety system IOTA; The base can provide 24VDC on-site power to the active adapter.

Status LED indicator light, quickly diagnose the status of relays and active adapters.

Compatible with Honeywell series IO: Series-C IOM, Universal IO, Universal Safety IO, Universal Safety IO modules.

Environmental performance: Operating temperature -40 ℃~+70 ℃; Storage -40 ℃~+85 ℃; Non condensing humidity 5-95%; Meet the IEC vibration and impact test requirements; Protection level IP20, UL94-V0 flame retardant.

Functional safety level: The module is divided into different levels of SIL-3, SIL-2, and SIL-1; Explosion proof support ATEX/IECEx, North American Class I Div.2/Zone2.

Two main types of base plates (Backplane)

1. CC-USCA01 standard universal signal conditioning base

Capacity: Up to 16 SCA adapters; DIN rail installation;

Electrical: 24VDC power supply, maximum 1.3A; each channel is equipped with fuses and knife type disconnect switches; 37 pin D-SUB connected to SIC cable; 3 on-site wiring terminals per channel;

SIL3； Suitable for ordinary non intrinsic safety signals.

2. CC-UGIA01 intrinsic safety IS signal conditioning base

Up to 16 intrinsically safe barrier adapters (FC-UGAI01/UGAO01/UGDA01); Also integrated with fuses and knife type disconnectors; DIN rail; Used for intrinsically safe explosion-proof circuits in hazardous areas.

3. FC-USCA01 High Current Base (newly added in V2.0)

Can accommodate 16 adapters; Specially designed for high current output conditions;

24VDC maximum input 16A, suitable for FC-UDOF01 high current relay output module.

All three bases are equipped with screwless snap on installation adapters; The adapter comes with a mechanical error prevention key to prevent incorrect insertion.

All single channel SCA signal conditioning adapters (explain one by one)

All single channel, with a thickness of only 10mm; DIN base buckle installation, some modules require 24V power supply, and some are passive.

Model Name, Safety Level, Core Usage, Key Features of Power Supply

CC-UPTA01 direct adapter SIL3 signal is directly connected, AI/AO/DI/DO， Supports HART passive without signal conversion, only isolated switching; 2-wire circuit.

FCUDI501 5K resistor digital input adapter SIL3 has a passive digital input circuit with built-in 5K Ω parallel terminal resistor without EOL terminal resistor.

FC-UIR501 with 5K resistor relay input adapter SIL1 wet contact input, relay isolation on-site power supply relay isolation+5K resistor; Status LED; SIL1。

FC-UDR01 digital input relay isolation adapter SIL3 low-voltage dry contact digital input requires 24V 1500Vrms electrical isolation; Changes in high and low input impedance; Status LED.

FC-UDOR01 digital output relay adapter SIL3 low-voltage DO relay output, maximum 1A resistive load passive normally open relay, 1500V isolation; Status LED.

FC-UDOF01 F&G high current DO relay adapter (V2 added) SIL2 high current on-site load drive requires 24V single channel maximum 2A@24V Capable of diagnosing line breaks and short circuits; The FC-USCA01 base is used with channel quantity and current limitation.

FC-UAIA01 three wire 4-20mA analog input SIL3 three wire transmitter 4-20mA, supporting HART and requiring 24V power supply to the transmitter circuit; PTC protection, status LED.

FC-UAIS01 current filled analog input SIL2 source output transmitter, 4-20mA, HART requires 24V disconnection detection, three wire device.

FCUDIN01 NAMUR proximity switch input SIL2 standard NAMUR sensor passive output 8.2V, connected in series with 1k Ω resistor.

FC-UDNS01 safety type NAMUR input SIL2 safety NAMUR proximity switch passive output 8.2V, series connected with 715 Ω resistor.

FC-UGAI01 intrinsic safety analog input safety barrier SIL2 hazardous area 4-20mA intrinsic safety AI, HART requires 24V three terminal isolation; Support 2/3/4 lines; Transparent fault of wire breakage; Reverse polarity protection; Connect CC-UGIA01 base.

FC-UGAO01 intrinsic safety analog output safety barrier SIL2 hazardous area 4-20mA intrinsic safety AO, HART requires 24V three terminal isolation, maximum load 650 Ω; Fault transparency.

FC-UGDA01 Intrinsic Safety Digital Input/Output Universal Safety Barrier SIL2 Intrinsic Safety DI/DO/NAMUR; Adaptive, no configuration required, 24V automatic recognition of DI or DO; supports NAMUR; DIP switch high and low current mode; Status LED; Three end isolation.

The intrinsic safety adapters FC-UGI01/UGAO01/UGDA01 can only be installed on the CC-UGIA01 intrinsic safety base and cannot be used with regular CC-USCA01.

SIC system interconnection cable FC-SIC5xxx

Function: Connect IOTA (safety IO module side) with USCA/UGIA01 wiring base; There are 37 D-SUB female needles at both ends.

Model code FC-SIC5XXX: XXX represents length, in decimeters (dm); For example, FC-SIC5005=0.5 meters, and the longest FC-SIC5300=30 meters.

The wiring distinguishes between CN1 (channels 1-16) and CN2 (channels 17-32).

Compatible with IOM: FC-RUSIO3224, FC-PUiO01, FC-PDIO01 safety IO module.

Common points of electrical, explosion-proof, and functional safety

Isolation parameters: Relay type and intrinsic safety barrier module isolation withstand voltage typical 1500VAC RMS.

Explosion proof parameters:

ATEX / IECEx：Ex ic / Ex ec； North American Class I Div.2, Zone2, T4 temperature group;

The intrinsic safety module provides physical parameters Um, Uo, Io, Po for on-site intrinsic safety circuit verification.

Terminal wire diameter: 12-24AWG for on-site terminals; Power terminal 10-26AWG.

Usage restrictions for high current pedestal FC-USCA01 (FC-UDOF01)

0.5A load: up to 16 channels;

1.5A load: up to 12 channels;

2A load: up to 8 channels;

The total voltage of the whole machine is 24V, with a maximum of 18A, including module power consumption and on-site load.

Key points for installation and maintenance

The adapter is fully snap on and does not require screws; Equipped with mechanical anti mistake pins to prevent incorrect model insertion.

Each channel comes with a knife type disconnect switch: maintenance testing can disconnect the on-site circuit, with a test probe, without the need to disconnect the wires.

Comes with on-site circuit breaker and fuse melting indicator light.

The base DIN rail is vertically installed and compatible with the top/bottom incoming lines of the cabinet.

The intrinsic safety adapter must be paired with CC-UGIA01 intrinsic safety base and cannot be mixed with ordinary base.