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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. |
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- 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
- Made from fire-retardant materials (UL94-V0 Level)
- Low power consumption (about 1.7 W only)
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- Factory, Building and Home Automation
- Remote Maintenance
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| Models |
tET-P2POR2/tET-P2R2 |
tPET-P2POR2/tPET-P2R2 |
| System |
| CPU |
32-bit MCU |
| Dual Watchdog |
Yes |
| Communication |
| 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 |
| S1 |
- |
PoE indicator (Green) |
| System indicator (Red) |
| E1 |
Link/Act indicator (Green) |
| 10/100 M indicator (Yellow) |
| Mechanical |
| Dimensions |
52 mm x 27 mm x 98 mm |
| Installation |
DIN-Rail mounting |
| Environment |
| Operating Temperature |
-25 ¢XC ~ +75 ¢XC |
| Storage Temperature |
-30 ¢XC ~ +80 ¢XC |
| 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 |
0.04 A @ 24 VDC for tET-P2R2 |
0.03 A @ 48 VDC for tPET-P2R2 |
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| Models |
tET-P2POR2/tPET-P2POR2 |
tET-P2R2/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 |
| Counters |
Max. Count: 4,294,967,285 (32 bits) |
| Max. Input Frequency: 3.5 kHz (without filter) |
| Min. Pulse Width: 0.15 ms |
| Frequency Measurement |
1 ~ 3.5 kHz in Mode "1000 ms", (+/- 1 Hz error)
10 ~ 3.5 kHz in Mode "100 ms", (+/- 10 Hz error)
0.01 ~ 1 Hz in Mode "Single-pulse", (+/- 0.01 Hz error) |
| Overvoltage Protection |
+70 VDC |
| Isolation |
3750 Vrms |
| Relay Output |
| Output Channels |
2 |
2 |
| Output Type (Module) |
PhotoMOS Relay, Form A |
Power Relay, Form A (SPST N.O.) |
| Load Voltage |
60 VDC/VAC |
- |
| Load Current |
60 V/1.0 A (Operating Temperature -25¢XC ~ -40¢XC) |
- |
| 60 V/0.8 A (Operating Temperature +40¢XC ~ +60¢XC) |
- |
| 60 V/0.7 A (Operating Temperature +60¢XC ~ +75¢XC) |
- |
| Turn ON Time |
1.3 ms (Typical) |
- |
| Turn Off Time |
0.1 ms (Typical) |
- |
| Output Isolation |
3000 Vrms |
3000 Vrms |
| Output Voltage Range |
- |
250 VAC/30 VDC |
| Max. Load Current |
- |
5.0 A/channel at 25 ¢XC |
| Operate Time |
- |
6 ms |
| Release Time |
- |
3 ms |
| PWM |
100Hz max
The unit of duty cycle is 1 ms, and the resolution is about 5 ms.(5~65535 ms) |
| Electrical Life
(Resistive load) |
VED |
- |
5 A 250 VAC 30,000 ops (10 ops/minute) at 75 ¢XC |
| - |
5 A 30 VDC 70,000 ops (10 ops/minute) at 75 ¢XC |
| UL |
- |
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) |
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Note: Because the characteristic of relay, the relay-type modules are not suitable to use PWM for a long time. |
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| tET Series |
| tET-P2POR2 CR (Available soon) |
Tiny Ethernet module with 2-ch DI and 2-ch Form-A PhotoMos relay (RoHS) |
| tET-P2R2 CR(NEW) |
Tiny Ethernet module with 2-ch DI and 2-ch Form-A relay (RoHS) |
| tPET Series |
| tPET-P2POR2 CR (Available soon) |
Tiny Ethernet module with PoE, 2-ch DI and 2-ch Form-A PhotoMos relay (RoHS) |
| tPET-P2R2 CR (NEW) |
Tiny Ethernet module with PoE, 2-ch DI and 2-ch Form-A relay (RoHS) |
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| NS-205 CR |
Unmanaged 5-Port Industrial Ethernet Switch (RoHS) |
| NS-205PSE CR |
Unmanaged Ethernet Switch with 4 PoE Ports and 1 RJ-45 Uplink (RoHS) |
| MDR-60-48 CR |
48 V/1.25 A, 60 W Power Supply with DIN-Rail |
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