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Data Acquisition
Providing various digital I/O functions, the tET/tPET series is an IP-based Ethernet I/O monitoring and control module. The module can be remotely controlled through a 10/100 M Ethernet network by using Modbus TCP protocol. Modbus has become a de facto standard communications protocol in industry and is now the most commonly available means of connecting industrial electronic devices. This makes the tET/tPET series perfect integration with the HMI, SCADA, PLC, and other software systems.
The functionality of the tET/tPET series is almost the same as the ET-7000/PET-7000 series. The tET/tPET series tiny Ethernet I/O modules support various I/O types, like photo-isolated digital input, relay contact, photoMOS relay, and open-collector output. The module can be used to create DI to DO pair-connect through the Ethernet. Once the configuration is completed, the tET/tPET series module can poll the status of local DI channels and then use the Modbus/TCP protocol to continuously write to a remote DO device in the background.
The tET/tPET series provides a dual watchdog: CPU watchdog and host watchdog. The CPU watchdog automatically resets itself when the built-in firmware runs abnormally. The host watchdog monitors the host controller (PC or PLC), and the output of the module can go to a predefined state (safe value) when the host fails.
For maximum space savings, the tET/tPET series is offered in an amazing tiny form factor that makes it can be easily installed anywhere, even directly embedded into a machine. It is equipped with two removable terminal block connectors for easy wiring and features a powerful 32-bit ARM MCU to handle efficient network trafficking. The tPET series offers true IEEE 802.3af-compliant (classification, Class 1) Power over Ethernet (PoE) using a standard category 5 Ethernet cable to receive power from a PoE switch like the NS-205PSE. When there is no PoE switch on site, the tPET series accepts power input from the DC adapter.
Factory, Building, and Home Automation Remote Maintenance
| CPU Module | |
|---|---|
| CPU | 32-bit ARM |
| Watchdog Timer | Module, Communication (Programmable) |
| EMS Protection | |
|---|---|
| EFT (IEC 61000-4-4) | ±4 kV for Power Line |
| ESD (IEC 61000-4-2) | ±4 kV Contact for Each Terminal ±8 kV Air for Random Point |
| LED Indicators | |
|---|---|
| Status | Run, Ethernet |
| Digital Input/Counter | |
|---|---|
| Channels | 2 |
| Type | Dry Contact |
| Sink/Source (NPN/PNP) | Source |
| ON Voltage Level | Close to GND |
| OFF Voltage Level | Open |
| Max. Counts | 4,294,967,295 (32-bit) |
| Frequency | 3.5 kHz (without filter) |
| Min. Pulse Width | 0.15 ms |
| Effective Distance | 500m (max.) |
| Isolation | 3750 Vrms |
| Relay Output | |
|---|---|
| Channels | 1 |
| Type | Power Relay, Form A (SPST N.O.) |
| Contact Rating | 5.0 A/channel at 25°C |
| Operate Time | 6 ms |
| Release Time | 3 ms |
| Electrical Endurance | 5 A 250 VAC 30,000 ops (10 ops/minute) at 75 °C 5 A 30 VDC 70,000 ops (10 ops/minute) at 75 °C 5 A 250 VAC/30 VDC 6,000 ops 3 A 250 VAC/30 VDC 100,000 ops |
| Mechanical Endurance | 20,000,000 ops. At no load (300 ops./minute) |
| Isolation | 3000 Vrms |
| Ethernet | |
|---|---|
| Ports | 10/100 Base-TX, 8-Pin RJ-45 x1 (Auto-negotiating, Auto-MDI/MDIX, LED indicator) |
| Protocol | Modbus TCP, Modbus UDP, and MQTT |
| Power | |
|---|---|
| Consumption | 1.0 W |
| Powered from Terminal Block | +12 to +48 VDC |
| Mechanical | |
|---|---|
| Dimensions (mm) | 52 x 95 x 27 (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 |
|---|---|---|---|
| tET-PD2R1 CR | Tiny Ethernet Module with 2-ch Dry Contact DI and 1-ch Power Relay (RoHS) | 1 |  |