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Yokogawa FX1006-4-3-H/USB1/A3 FX1000 Paperless Recorder

Configured for direct process variable acquisition and paperless data logging in DCS and standalone control loops, the Yokogawa FX1006-4-3-H/USB1/A3 (FX1006 Paperless Recorder) provides direct physical signal measurement and tamper-proof electronic storage without mechanical chart movement.

Hardware Specifications

Parameter Specification
Model FX1006-4-3-H/USB1/A3
Brand Yokogawa
Origin Japan
Weight 3 kg (Shipping Weight)
Dimensions 144 mm x 144 mm x 161.7 mm
Operating Temp 0 deg C to 50 deg C
Power Consumption Max 45 VA (100–240 V AC, 50/60 Hz)
Input Channels 6 universal channels
Input Types DCV (1–5 V), TC (R, S, B, K, E, J, T, N, W, L, U, WRe), RTD (Pt100, JPt100), contact signals
Measurement Interval 1 s, 2 s, 5 s (configurable down to 125 ms fast sampling)
Measurement Accuracy DCV: +/-0.05% of reading + 3 digits; TC: +/-0.15% of reading + 0.7 deg C; RTD: +/-0.15% of reading + 0.3 deg C
Display 5.7-inch TFT color LCD (240 x 320 dots)
Internal Memory 400 MB secure flash
External Media Slot CF card slot with 512 MB medium supplied
Communication Ports USB Type-A (1 port, /USB1), Ethernet (FTP, Modbus/TCP, Web server)
Alarm Outputs 6 points C-contact relays (/A3)
Terminal Isolation 1000 V AC (50/60 Hz) for 1 min between input terminals
Ingress Protection IP65 (Front panel only)

Process Control and DCS Isolation Interface

The FX1006 integrates galvanically isolated 4-20 mA HART and millivolt measuring circuitry across all 6 input channels. High-voltage isolation limits channel-to-channel cross-talk and ground loop interference when tied to active industrial loops. Cold junction compensation (CJC) algorithms maintain high-accuracy thermocouple scaling across varying ambient enclosure temperatures. Built-in Modbus/RTU and Modbus/TCP slave capabilities allow real-time parameter streaming directly into host Yokogawa CENTUM or third-party DCS field buses.

Frequently Asked Questions

Q: What are the installation requirements to maintain the front panel IP65 rating?

A: Mount the unit securely into a standard NEMA or IP-rated enclosure panel cutout using the provided mounting brackets and torque clamps. Side-by-side modular panel mounting without thermal spacing degrades both the ingress protection rating and the operational ambient heat dissipation limits.

Q: How does the isolated input terminal option (/H) affect loop wiring?

A: Option /H provides high-voltage dielectric isolation rated at 1000 V AC (50/60 Hz) for 1 minute between measuring input terminals. This protection prevents high potential ground loops from corrupting analog-to-digital conversions when monitoring ungrounded thermocouples or powered 4-20 mA process loops.

Field Installation Guidelines

Mount the unit horizontally into a standard 138 mm x 138 mm panel cutout. Tighten top and bottom mounting clamps evenly to achieve a uniform gasket seal against the enclosure wall.

Route all low-voltage analog signal lines (TC, RTD, DCV) using twisted-pair shielded cables, maintaining separation from high-voltage AC power lines. Ground the cable shields at a single chassis ground point on the panel side to avoid ground loops. Ensure the ground terminal on the rear terminal block connects directly to protective earth ground using a short, low-impedance conductor.

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