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tPET-PD2R1 CR ICP DAS Tiny Modules



Tiny PoE Ethernet Module with 2-ch Dry Contact Digital input and 1-ch Power Relay



€ 112,85

(VAT excluded)

€ 137,68(VAT included)

Prezzo di 1 pz. iva (22%) inclusa: € 137,68

Availability: 15 business days

SKU: 94231

Model: tPET-PD2R1 CR

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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 the 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 dual watchdog: CPU watchdog and host watchdog. The CPU watchdog automatically resets it-self 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 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 in 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 DC adapter.
tPET-PD2R1 CR: Tiny Ethernet module with PoE, 2-ch DI (Dry Contact) and 1-ch Form-A relay (RoHS)

  • Cost-effective Ethernet I/O modules (Modbus TCP/UDP slave)
  • Contains a 32-bit MCU that efficiently handles network traffic
  • 10/100 Base-TX Ethernet, RJ-45 x1 (Auto-negotiating, Auto MDI/MDIX, LED Indicator)
  • Includes redundant power inputs: PoE (IEEE 802.3af, Class 1) and DC input
  • Supports TCP, UDP, HTTP, DHCP, BOOTP and TFTP protocols
  • Supports UDP responder for device discovery
  • Supports web configuration and firmware update via Ethernet
  • Isolated digital input and output
  • Supports latched DI and 32-bit high-speed counter functions
  • Supports I/O pair-connection through the Ethernet
  • Dual-watchdog with power-on and safe value
  • Tiny form-factor with easy DIN-Rail mounting
  • RoHS compliant, no Halogen
  • Low power consumption (about 1.7 W only)


CPU: 32-bit MCU
Dual Watchdog: Yes


Ethernet Port

  • 10/100 Base-TX, 8-Pin RJ-45 x1, (Auto-negotiating, Auto-MDI/MDIX, LED indicator)
  • PoE (IEEE 802.3af, Class 1)

LED Display


  • PoE indicator (Green)
  • System indicator (Red)


  • Link/Act indicator (Green)
  • 10/100 M indicator (Yellow)


Dimensions: 52 mm x 27 mm x 98 mm
Installation: DIN-Rail mounting


Operating Temperature: -25 °C ~ +75 °C
Storage Temperature: -30 °C ~ +80 °C
Humidity: 10 ~ 90 % RH, non-condensing

Power Requirements

Power Input

  • PoE: IEEE 802.3af, Class 1
  • Terminal block: +12 ~ 48 VDC (non-regulated)

Power Consumption: 0.03 A @ 48 VDC for tPET-P2R2

Digital Input

Input Channels: 2
Input Type (Device): Wet Contact (Sink, Source)
On Voltage Level: +10 VDC ~ +50 VDC
Off Voltage Level: +4 VDC max.
Input Impedance: 10 k Ohm

  • Max. Count: 4,294,967,285 (32 bits)
  • Min. Pulse Width: 0.15 ms

Frequency Measurement: 3.5 kHz (without filter)
Overvoltage Protection: +70 VDC
Isolation: 3750 Vrms
Effective Distance: -

Relay Output

Output Channels: 1
Output Type (Module): Power Relay, Form A (SPST N.O.)
Load Voltage: 250 VAC/30 VDC
Max. Load Current: 5.0 A/channel at 25°C
Operate Time: 6 ms
Release Time: 3 ms
PWM: 50 Hz Max. (High/Low duty cycle range = 10 ~ 65,535 ms)
Electrical Life (Resistive load)

  • 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 Life: 20,000,000 ops. At no load (300 ops./ minute)
Isolation: 3000 Vrms
Note: Because the characteristic of relay, the relay-type modules are not suitable to use PWM for a long time.