Yokogawa NFJT100-S100 FCJ Autonomous Controller

Overview

The Yokogawa NFJT100-S100 is a compact, high-reliability autonomous controller. It integrates control, I/O, and communication in a single unit. This all-in-one design suits remote installations, small-scale control loops, and standalone automation tasks. It belongs to Yokogawa's FCJ (Field Control Junction) series, offering robust performance in industrial environments. The controller ensures reliable operation under harsh conditions with built-in diagnostics and protective features.

Technical Specifications

• Model: NFJT100-S100

• Controller Type: FCJ Autonomous Controller

• CPU: MMX-Pentium 166 MHz

• Main Memory: 128 MB with ECC (Error Correcting Code)

• Backup Memory: 1 MB with ECC, battery-backed

• Power Supply: 24 V DC ±10%

• Power Consumption: Approx. 800 mA

• Dimensions (W × H × D): 213.8 × 156 × 95 mm

• Weight: 1.7 kg

• Mounting: Panel or DIN rail

I/O Configuration

• Analog Input: 6 channels (1–5 V, 15-bit resolution)

• Analog Output: 2 channels (4–20 mA, 11-bit resolution)

• Digital Input: 16 channels (24 V DC)

• Digital Output: 16 channels (24 V DC)

Communication Ports

• Ethernet: 2 ports (100BASE-TX/10BASE-T)

• Serial: 2 RS-232-C ports (D-Sub 9-pin)

Data Update Cycle

• 10 ms for analog I/O

Environmental Conditions

• Operating Temperature: –10°C to +60°C

• Humidity: 5% to 95% RH, non-condensing

Diagnostics & Reliability

• Watchdog timer

• Temperature monitoring

• I/O diagnostics