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Data Acquisition
Built-in Web Server
Web HMI
Support for both Modbus TCP and Modbus UDP Protocols
Communication Security
2-port Ethernet Switch for Daisy-Chain Topology
Dual Watchdog
I/O Pair Connection
Built-in I/O
AI: 4 Channels
AO: 4 Channels
DI/Counter: 4 Channels
CE UKCA FCC RoHS WEEE
The ET-7204 is a multi-function module with 4-channel analog inputs, 4-channel analog outputs, 4-channel digital inputs. It provides various programmable analog inputs (+/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA, 0 ~ 20 mA and 4 ~ 20 mA), and analog outputs (+/-5 V, +/-10 V, 0 ~ 20 mA and 4 ~ 20 mA). Each analog input is allowed to configure a proper range with 240 Vrms high voltage protection. Each analog input/output can be programmed to accept current or voltage as input/output depending upon the position of corresponding jumper.
Building Automation, Factory Automation, Machine Automation, Remote Maintenance, Remote Diagnosis, Testing Equipment.
| Software | |
|---|---|
| Built-in Web Server | Yes |
| CPU Module | |
|---|---|
| Watchdog Timer | Module, Communication (Programmable) |
| Isolation | |
|---|---|
| 2-way Isolation | Ethernet: 1500 VDC I/O: 2500 VDC |
| EMS Protection | |
|---|---|
| EFT (IEC 61000-4-4) | ±2 kV for Power Line |
| ESD (IEC 61000-4-2) | ±4 kV Contact for Each Terminal ±8 kV Air for Random Point |
| Surge (IEC 61000-4-5) | ±2 kV for Power Line |
| LED Indicators | |
|---|---|
| Status | Run, Ethernet, I/O |
| Analog Input | |
|---|---|
| Channels | 4 (Differential) |
| Type | Voltage Current |
| Range | ±500 mV, ±1 V, ±5 V, ±10 V 0 to 20 mA, ±20 mA, 4 to 20 mA (Jumper Selectable) |
| Resolution | 16-bit |
| Accuracy | Normal Mode: ±0.1% Fast Mode: ±0.5% or better |
| Sampling Rate | Normal Mode: 10 Hz (total channels) Fast Mode: 50 Hz (total channels) |
| Input Impedance | Voltage: 2 MΩ Current: 125 Ω |
| Common Voltage Protection | ±200 VDC |
| Overvoltage Protection | 240 Vrms |
| Overcurrent Protection | 50 mA at 110 VDC (max.) |
| Individual Channel Configuration | Yes |
| Open Wire Detection | For 4 to 20 mA only |
| Isolation | ±400 VDC, Virtual Channel to Channel Isolation |
| Analog Output | |
|---|---|
| Channels | 4 |
| Type | Voltage Current |
| Range | +0 to +5 VDC, ±5 VDC, +0 to +10 VDC, ±10 VDC 0 to 20 mA, 4 to 20 mA (Jumper Selectable) |
| Resolution | 12-bit |
| Accuracy | ±0.1% of FSR |
| Open Wire Detection | For 4 to 20 mA only |
| Voltage Output Capability | 10 V @ 20 mA |
| Current Load Resistance | 400 Ω |
| Individual Channel Configuration | Yes |
| Power-on Value | Programmable |
| Safe Value | Programmable |
| Digital Input/Counter | |
|---|---|
| Channels | 4 |
| Type | Dry Contact Wet Contact |
| ON Voltage Level | Dry: Open Wet: +1 VDC (max.) |
| OFF Voltage Level | Dry: Close to GND Wet: +3.5 to +30 VDC |
| Max. Counts | 4,294,967,295 (32-bit) |
| Frequency | 100 Hz |
| Min. Pulse Width | 5 ms |
| Effective Distance | 500m (max.) |
| Overvoltage Protection | +30 VDC |
| Ethernet | |
|---|---|
| Ports | 1 x RJ-45, 10/100 Base-TX |
| LAN bypass | Yes |
| Security | ID, Password and IP Filter |
| Protocol | Modbus TCP, Modbus UDP |
| Power | |
|---|---|
| Reverse Polarity Protection | Yes |
| Consumption | 4.9 W (max.) |
| Powered from Terminal Block | +12 to +48 VDC |
| Mechanical | |
|---|---|
| Dimensions (mm) | 76 x 120 x 38 (W x L x H) |
| Installation | DIN-Rail mounting |
| Environment | |
|---|---|
| Operating Temperature | -25 ~ +75 °C |
| Storage Temperature | -30 ~ +80 °C |
| Humidity | 10 to 90% RH, Non-condensing |
| PRODUCT SERIES | DESCRIPTION | QNT | INQUIRY |
|---|---|---|---|
| ET-7204 CR | Ethernet I/O Module with 2-port Ethernet Switch, 4-ch AI, 4-ch AO and 4-ch DI (RoHS) | 1 |  |