YOKOGAWA DX-1006-1-4-2

Digital guide

Product Introduction:
The DX-1006-1-4-2 is a 6-channel universal input paperless recorder from Yokogawa’s DX1000 product line. The model code breaks down as: DX1006 = 6-channel recorder, 1 = single-pen (or specific variant), 4 = 4-digit display, 2 = 2 alarm outputs. This device replaces traditional chart recorders by digitally recording, displaying, and alarming on process variables including temperature, pressure, flow, and level.

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Technical Specifications:

Number of Channels: 6 universal inputs (configurable per channel)
Input Types: TC (J, K, T, E, R, S, B, N), RTD (Pt100, JPt100, Pt1000, Cu50, JPt100), mV (0–100 mV), V (0–5 V), mA (4–20 mA, 0–20 mA)
Display: 4-digit, 7-segment LED (red, 14.2 mm digit height)
Recording: Internal flash memory (up to 30 days at 1-second interval)
Alarm Outputs: 2 relay outputs (SPDT, 250 V AC / 30 V DC, 3 A)
Communication: RS-232C, RS-485 (Modbus RTU), Ethernet (optional)
Power Supply: 100 to 240 V AC, 50/60 Hz (universal)
Panel Cutout: 96 mm × 96 mm (DIN 96 × 96)
Protection Rating: IP65 front panel (NEMA 4X equivalent)

Functional Features:

Simultaneous recording of all 6 channels with independent scan rates (0.2 s to 60 s per channel)
Built-in math functions: Addition, subtraction, multiplication, division, square root, moving average
Event recording: Captures alarm events with timestamp and channel value
USB flash drive data export (CSV format compatible with Excel)
Password protection for parameter access (3 access levels)

Performance Parameters:

Parameter	Value
Temperature Accuracy (TC)	±0.1% of span ±1°C
Temperature Accuracy (RTD)	±0.1% of span ±0.5°C
mA Input Accuracy	±0.1% of span
Scan Rate (per channel)	0.2 s, 0.5 s, 1 s, 2 s, 5 s, 10 s, 30 s, 60 s
Memory Capacity	≈30 days at 1 s scan, 6 channels
Alarm Response Time	≤100 ms
Operating Temperature	-10°C to +55°C

Material Composition:

Front Bezel: Polycarbonate (PC) with UV-stabilized matte finish
Rear Housing: ABS flame-retardant (UL 94 V-0)
Terminal Block: Phoenix Contact-compatible, screw-type, 4 mm pitch
Gasket: Silicone rubber (IP65 seal)

Structural Characteristics:

Dimensions: 96 mm × 96 mm × 110 mm (W × H × D, bezel to rear)
Weight: Approximately 0.65 kg
Mounting: Panel-mount (DIN 96 × 96 cutout)
Display Position: Upper section of front panel

Working Principle:
Each of the 6 input channels is conditioned by a dedicated signal conditioning circuit (cold-junction compensation for TC, ratiometric bridge excitation for RTD, precision shunt for mA). The conditioned analog signal is converted by a 16-bit A/D converter, processed by the internal microprocessor for scaling, linearization, and math operations, then displayed on the LED display and stored in non-volatile flash memory. Alarms are evaluated in real-time against user-set high/low limits, triggering the relay outputs when limits are exceeded.

Key Advantages:

6 universal inputs in a single 96 × 96 mm panel — replaces 6 individual indicators
30-day data storage without external recorder — sufficient for most regulatory requirements
IP65 front panel — direct washdown mounting without additional enclosure
USB data export — eliminates manual chart reading

Applicable Industries:

Food and beverage (pasteurization, fermentation)
Pharmaceutical (cleanroom HVAC monitoring)
Chemical process (reactor temperature/pressure logging)
Building automation (HVAC trending)
Water treatment (flow and level recording)

Installation Requirements:

Cut 96 mm × 96 mm panel opening (tolerance ±0.5 mm)
Use shielded twisted-pair cables for TC inputs (max 50 m run)
Connect RS-485 communication with 120 Ω termination resistor at last device
Ground the chassis to earth ground (impedance < 10 Ω)

Usage Precautions:

Do not apply voltage > 30 V DC to relay outputs — will damage contacts
Use Yokogawa-specified TC extension wire (same thermocouple type as sensor) for accurate readings
Back up data to USB before firmware updates — flash memory may be erased
Do not mount in direct sunlight — LED display visibility degrades above 60°C ambient