Product Description – Emerson KC4011X1-BC1 Redundant DI Terminal Block

The Emerson KC4011X1-BC1 is a robust 32-channel redundant digital input terminal block designed for DeltaV Electronic Marshalling systems. It provides secure field wiring termination while supporting redundant signal paths that help maintain high system availability. Moreover, its design suits operations where continuous uptime and reliable fault detection are essential for plant safety and process stability.

This terminal block integrates seamlessly with DeltaV CHARM and traditional I/O architectures, allowing engineers to expand or modernize their systems without extensive rewiring. In addition, the KC4011X1-BC1 withstands harsh industrial environments and complies with global hazardous-area certifications, making it a dependable choice for facilities operating under strict safety regulations.

Because the block supports a wide operating temperature range and strong resistance to shock and vibration, it performs reliably in demanding conditions such as offshore platforms, refineries, and heavy manufacturing sites. Therefore, it helps reduce downtime while enabling consistent digital signal acquisition for critical field devices.

Technical Specifications

Model: KC4011X1-BC1
Part Number: 12P6745X012
Type: Redundant Digital Input Terminal Block
System Compatibility: Emerson DeltaV DCS
Number of Channels: 32 DI channels
Nominal Input Voltage: 24 VDC (±20%)
Input Current: 5 mA per channel
Isolation Voltage: 500 VDC to ground
Field Circuit Rating: 30 VDC, 5 mA per channel; 160 mA total
Connection Type: Screw terminals
Operating Temperature: –40°C to +70°C
Storage Temperature: –40°C to +85°C
Humidity Range: 5%–95% non-condensing
Vibration Rating: 1 mm (2–13.2 Hz) or 0.7 g (13.2–150 Hz)
Airborne Contaminants: ISA-S71.04 Class G3
Protection: IP20
Weight: 0.5 kg
Certifications: ATEX, IECEx, FM, UKEX, CE
Country of Origin: USA

FAQ

Q1: What I/O system does the KC4011X1-BC1 work with?
It is designed for Emerson DeltaV Electronic Marshalling and integrates directly with DI channels.

Q2: Does the terminal block support redundant inputs?
Yes, it supports redundant wiring paths to maintain channel availability during hardware faults.

Q3: Can it be used in hazardous locations?
Yes, it carries ATEX, IECEx, FM, UKEX, and CE certifications for Zone 2 / Class I Div. 2 areas.

Q4: What field devices typically connect to this block?
Digital switches, limit sensors, proximity devices, and other dry-contact or 24 VDC DI sources.

Q5: Is this component suitable for harsh-environment installations?
Yes, its extended temperature range and shock-resistant design support demanding industrial sites.