High-Precision 8-Ch Analog Input Ethernet Remote I/O Module 16-Bit – GAOTek
GAOTek’s high-precision 8-Ch analog input ethernet remote I/O module 16-Bit is an industrial-grade, high-reliability, and high-precision data acquisition solution.
Description
Description
Overview
GAOTek’s high-precision 8-Ch analog input ethernet remote I/O module 16-Bit is an industrial-grade, high-reliability, and high-precision data acquisition solution. It is embedded with a 32-bit high-performance microprocessor MCU and integrates an adaptive 10/100M industrial Ethernet port. This device supports Modbus TCP (master and slave) and can be seamlessly integrated into SCADA, OPC servers, and other automation systems. Designed to withstand harsh industrial environments, it is widely applied in automation, monitoring, and control systems.
Features
- Standard Modbus TCP protocol, Modbus RTU over TCP protocol, and MQTT protocol;
- Embedded 32-Bit High Performance Microprocessor MCU, inbuilt watchdog;
- Power supply 9V to 36V DC with over voltage and phase-reversal protection;
- Integrated 10/100M adaptive Ethernet port, With 6KV ESD protection;
- Optical isolated digital input (Compatible Dry or Wet type), supports max 700KHz high speed pulse counter, The optional low-speed pulse frequency can reach up to 10 kHz.
- Support DIN2 to DIN12 as a low-speed pulse counter. The anti-jitter time can be set to 1ms to 2000ms, the default is 1ms, and the corresponding pulse frequency is up to 1KHz;
- DO supports Sink output, DO1 can be used as high-speed pulse output, supports 10Hz to 300KHz;
- Isolated Analog input, 16-bit resolution, supports 0A to 20mA, 4mA to 20mA, 0V to 5V DC, 0V to 10V DC;
- 1 RS485 Serial port, supports Modbus RTU Master/Slave, can extend I/O modules;
- Supports register mapping function and extend I/O inquiry strategy;
- Supports TCP Client and TCP Server, supports max. 5 TCP Client connections;
- 1 channel DC power source output for external device, saving wiring cost;
- Can be managed and configured via configuration software over a local area network (LAN), making it easy to operate and maintain;
- LED instructions work status, with reset button to reset, easy on-site installation and commissioning;
- Using metal shell, protection class IP30. Metal shell and system security isolation, especially suitable for industrial applications in the field.
Technical Specifications
| Power – Input Voltage | Without AO: 9 VDC to 36 VDC / 0.009 kVDC to 0.036 kVDC With AO: 24 VDC to 36 VDC / 0.024 kVDC to 0.036 kVDC |
| Power Consumption | ≤ 2 W (standby) |
| Power Output | 1 channel Output Voltage: 9 VDC to 36 VDC (equal to input) Output Current: 1500 mA @ 12 V (Max) = 1.5 A |
| Power Protection | Reverse wiring prevention ESD: 6 kV Surge: 1 kV EFT: 1 kV, 5 kHz |
| Ethernet | 1 × RJ45, 10/100 Mbps |
| Ethernet Port Protection | ESD: 6 kV Surge: 1 kV (8/20 μs), 3 kA EFT: 1 kV, 5 kHz CE: 150 kHz to 80 MHz, 3 V |
| Ethernet Protocols | Modbus RTU, Modbus TCP, MQTT |
| Serial Port – Quantity | 1 × RS485 |
| Baud Rate | 2400 bps to 128000 bps |
| Data Bits | 7, 8 |
| Parity Bits | None, Even, Odd |
| Stop Bits | 0.5, 1, 1.5, 2 |
| Serial Protocols | Modbus RTU (slave & master) |
| Serial Protection | ESD: 6 kV Surge: 1 kV (8/20 μs) EFT: 1 kV, 5 kHz CE: 150 kHz to 80 MHz, 3 V |
| Digital Input – Quantity | 16 channels (Max) |
| Digital Input – Type | Wet contact (NPN, PNP) & Dry contact (default: Wet) |
| Dry Contact | Close = Short circuit Open = Open circuit |
| Wet Contact | Close: 10 VDC to 30 VDC Open: 0 VDC to 3 VDC |
| Pulse Counter | DIN1: High-speed (up to 700 kHz) or Low-speed (up to 10 kHz) DIN2 to DIN12: Low-speed (up to 1 kHz, adjustable anti-jitter 1–2000 ms) |
| Isolation Protection | 2.5 kVrms |
| Sampling Rate (DI) | 100 Hz |
| Digital Input Protection | ESD: 6 kV Surge: 1 kV (8/20 μs) EFT: 1 kV, 5 kHz CE: 150 kHz to 80 MHz, 3 V |
| Digital Output – Quantity | 16 channels (Max) |
| Digital Output – Type | Sink |
| DO Capacity | 500 mA per 4 channels |
| Overvoltage Protection | 50 VDC |
| Pulse Output | DO1: 10 Hz–300 kHz |
| DO Protection | ESD: 6 kV Surge: 1 kV (8/20 μs) EFT: 1 kV, 5 kHz CE: 150 kHz–80 MHz, 3 V |
| Analog Input – Quantity | 8 channels (Max) |
| Analog Input – Type | Single-ended input: 4–20 mA, 0–20 mA, 0–5 V, 0–10 V |
| Resolution (AI) | 16-bit |
| Accuracy (AI) | ±0.5 ‰ FSR at 25 °C |
| Input Impedance | Voltage: >2 kΩ Current: 162 Ω |
| Analog Input Protection | ESD: 6 kV Surge: 1 kV (8/20 μs) EFT: 1 kV, 5 kHz CE: 150 kHz to 80 MHz, 3 V |
| RTD – Quantity | 6 channels (Max) |
| RTD Range | -58 °F to +572 °F (-50 °C to +300 °C) |
| RTD Type | 2/3/4 wire PT100 / PT1000 |
| RTD Resolution | 12-bit |
| RTD Accuracy | ±0.1% FSR at 25 °C ±0.3% FSR at -10 & 60 °C ±0.5% FSR at -40 & 75 °C |
| RTD Sampling Rate | 20 Hz |
| Analog Output – Quantity | 2 channels |
| Analog Output – Type | 0 VDC to 10 VDC, 0 mA to 20 mA, 4 mA to 20 mA (Single-ended to GND) |
| Analog Output Data Type | 32-bit float |
| Analog Output Max Load | 1000 mA (1 A) |
| Analog Output Protection | ESD: 6 kV Surge: 1 kV (8/20 μs) |
| Thermocouple – Quantity | 8 channels (Max) |
| Thermocouple Types | B, E, J, K, N, R, S, T |
| Thermocouple Accuracy | ±5.4 °F (±3 °C) |
| Cold Junction Compensation | 17.6 °F to 46.2 °F (-8 °C to +7.9 °C) |
| Relay Spec | 5 A at 250 VAC (62.5 VA) 3 A at 30 VDC (90 W) |
| Software Protocols | IPv4, TCP/UDP, DNS, Modbus RTU, Modbus TCP, MQTT |
| Protocol Conversion | Modbus TCP ↔ RTU Modbus RTU ↔ MQTT Modbus TCP ↔ MQTT |
| Indicators | Power, Link, RS485_RXD, RS485_TXD, I/O Status |
| User Config | PC Software (Win XP, 7, 8, 10) |
| Map Data | Bool: 300, 16-bit: 300 |
| Login/Heartbeat Package | Custom login/heartbeat supported |
| Installation | DIN-rail or Wall-mounted |
| Environment – Working | -4 °F to +158 °F (-20 °C to +70 °C), 5% RH to 95% RH |
| Environment – Storage | 40 °F to +185 °F (-40 °C to +85 °C), 5% RH to 95% RH |
| Case | Metal |
| Dimensions | 3.23 in × 1.57 in × 3.94 in (82 mm × 40 mm × 100 mm) |
| Protection Grade | IP30 |
| Net Weight | 0.77 lbs (350 g) |