Yokogawa DX2048T-3-4-1 – 4-Channel Analog Input Module | DX2000 Paperless Recorder Platform
Engineering Background
The Yokogawa DX2000 Series Daqstation is a field-proven paperless recorder platform widely deployed in process industries including oil & gas, chemical, pharmaceutical, and power generation. The DX2048T-3-4-1 is a dedicated 4-channel analog input expansion module engineered to extend the measurement capacity of DX2000-series recorders, enabling high-density signal acquisition within a compact, rack-integrated form factor.
Product Positioning
Designed for procurement engineers and system integrators who require a certified, OEM-sourced analog input card with guaranteed compatibility for DX2048 mainframe units. The DX2048T-3-4-1 supports multi-sensor input types and delivers the measurement accuracy and long-term reliability demanded by continuous process monitoring applications.
Complete Technical Specifications
| Part Number / SKU | DX2048T-3-4-1 |
| Manufacturer | Yokogawa Electric Corporation |
| Product Series | DX2000 Daqstation Series |
| Module Type | Analog Input (AI) Expansion Module |
| Number of Channels | 4 channels per module |
| Supported Input Types | Thermocouple (B, E, J, K, N, R, S, T, W), RTD (Pt100, JPt100), DC Voltage (20 mV – 2 V / 6 V / 20 V), DC Current (4–20 mA with external shunt) |
| Measurement Accuracy | ±0.1% of span (typical, temperature-compensated) |
| Sampling Rate | Per DX2000 mainframe scan interval (125 ms minimum) |
| Isolation | Channel-to-channel isolation; channel-to-ground isolation |
| Compatible Mainframe | Yokogawa DX2048 (48-channel Daqstation) |
| Suffix Code Breakdown | -3: Universal input; -4: 4 channels; -1: Standard accuracy |
| Power Supply | Supplied via DX2000 mainframe backplane |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | -20 °C to +60 °C |
| Humidity | 5% to 90% RH (non-condensing) |
| Country of Origin | Japan |
| Approvals / Certifications | CE, UL (per DX2000 platform certification) |
Proven Application Environments
- Oil & Gas: Multi-point temperature and pressure monitoring on process skids and wellhead control panels
- Chemical & Petrochemical: Continuous reactor temperature profiling with thermocouple arrays
- Pharmaceutical: FDA 21 CFR Part 11-compliant data acquisition for batch process validation
- Power Generation: Turbine and boiler exhaust gas temperature trending
- Food & Beverage: Pasteurization and sterilization cycle recording
- Water Treatment: Multi-sensor monitoring for pH, conductivity, and temperature via transmitter inputs
Engineering Advantages
- Universal Input Flexibility: Single module supports TC, RTD, mV, V, and mA inputs — eliminates need for separate signal conditioners
- Plug-and-Play Expansion: Hot-swap capable slot insertion into DX2048 mainframe without system shutdown
- High Channel Density: 4 isolated channels per card slot maximizes I/O density in space-constrained panels
- Yokogawa Calibration Traceability: Factory-calibrated with NIST-traceable standards; calibration certificate available on request
- Long Product Lifecycle: Yokogawa DX2000 platform supported with spare parts and firmware through extended lifecycle program
- Seamless Integration: Native compatibility with DX2000 configuration software (DAQSTANDARD) for channel tag assignment, alarm setpoints, and scaling
System Architecture & Signal Flow
The DX2048T-3-4-1 installs into a dedicated expansion slot on the DX2048 mainframe rear panel. Field wiring connects directly to the module’s screw-terminal block. The module’s onboard A/D converter digitizes each channel at the mainframe’s configured scan rate. Digitized values are passed via the internal backplane bus to the DX2048 CPU for real-time display, alarm processing, and data logging to internal flash memory or external CF/SD card. Communication to SCADA or DCS systems is handled by the mainframe’s communication module (Ethernet/RS-485 Modbus).
Sourcing & Quality Verification
- All units sourced from authorized Yokogawa distributors or verified surplus channels with full traceability documentation
- Pre-shipment inspection includes: visual inspection, label verification (part number, serial number, date code), and functional power-on test where applicable
- Original Yokogawa packaging preserved where available; ESD-safe packaging used for all shipments
- Counterfeit-prevention: serial numbers cross-referenced against Yokogawa’s authorized product database prior to dispatch
- Certificate of Conformance (CoC) and test reports available upon request
Procurement Process
- Confirm Compatibility: Verify your DX2048 mainframe firmware version and available expansion slots before ordering
- Request Quote: Contact support@konmask.com with your required quantity and delivery timeline
- Lead Time: In-stock units ship within 1–3 business days; ex-stock orders confirmed at time of inquiry
- Payment & Terms: T/T, PayPal, and trade finance options available for qualified buyers
- Shipping: DHL / FedEx Express worldwide; export documentation (commercial invoice, packing list, CO) included
- After-Sales: 12-month warranty on all supplied units; technical support via email and WhatsApp
Technical FAQ
Q: Is the DX2048T-3-4-1 compatible with the DX2010 or DX2020 mainframe?
A: No. The DX2048T-3-4-1 is specifically designed for the DX2048 (48-channel) mainframe. For DX2010/DX2020 compatibility, please inquire about the corresponding module variants.
Q: Can this module accept 4–20 mA current loop inputs directly?
A: Yes, with an external 250 Ω shunt resistor converting the current signal to a 1–5 V DC voltage input, which the module measures on its DC voltage range.
Q: What is the maximum number of DX2048T-3-4-1 modules that can be installed in one DX2048?
A: The DX2048 supports up to 12 expansion module slots, allowing a maximum of 48 analog input channels when fully populated with 4-channel modules.
Q: Is a calibration certificate included?
A: Factory calibration data is embedded in the module firmware. A printed calibration certificate can be provided upon request at time of order.
Q: Do you provide installation and commissioning support?
A: Yes. Our engineering team provides remote commissioning guidance and wiring diagram review at no additional charge for qualified orders.
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