TC-IOLI01 Honeywell Low-Level Analog Input for TPS & PKS Systems

Honeywell TC-IOLI01 51403427-125 Low-Level Analog Input Module

The Honeywell TC‑IOLI01 51403427‑125 is a high-performance low-level analog input module engineered for accurate measurement of millivolt, resistance, and thermocouple signals. It efficiently captures critical process data from field devices, supporting reliable control and monitoring across industrial applications. Moreover, its compact design integrates easily into Honeywell Experion PKS Series‑A I/O, TPS, and TDC 3000 systems while providing galvanic isolation and redundancy support.

Designed for industrial environments, this module withstands harsh conditions and maintains signal integrity even in demanding processes. In addition, built-in diagnostics and LED indicators simplify maintenance and reduce downtime, ensuring long-term operational reliability.

Technical Specifications

• Model / Part Number: TC‑IOLI01 51403427‑125

• Type: Low-Level Analog Input Module

• Number of Channels: 16

• Signal Types Supported: Millivolt signals, thermocouples, resistance inputs

• Input Range: –20 mV to +100 mV (typical)

• Resolution: 16-bit A/D conversion

• Accuracy: ±0.1% of span

• Isolation: Channel-to-channel and channel-to-system galvanic isolation

• Sampling Rate: Configurable, typically 10–100 Hz

• Input Voltage: 24 VDC ±10%

• Input Current: 250 mA @ 24 VDC

• Surge Protection: ±4 kV line-to-ground

• Isolation Voltage: 1500V AC

• Diagnostics: Built-in self-diagnostics and LED indicators for channel status

• Operating Temperature: –20 °C to +55 °C

• Humidity Range: 5% – 95% non-condensing

• Dimensions: 267 × 178 × 51 mm

• Weight: 0.6 kg

• Certifications: CE, UL, CSA, TUV

• Origin: USA

• Shipping From: Xiamen, China

FAQ

Q1: How many input channels does the TC‑IOLI01 support?
It provides 16 low-level analog input channels for millivolt, resistance, and thermocouple signals.

Q2: What is the input voltage and current requirement?
The module operates at 24 VDC ±10% and consumes 250 mA at 24 VDC.

Q3: Is it protected against electrical surges?
Yes, it includes ±4 kV line-to-ground surge protection and 1500V AC isolation.

Q4: Which Honeywell systems are compatible with this module?
It integrates with Honeywell Experion PKS Series‑A I/O, TPS, and TDC 3000 systems.

Q5: What diagnostic features are included?
Built-in self-diagnostics and LED indicators provide real-time monitoring and fault detection.