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Modbus TCP Based Ethernet I/O Module with 2 Ethernet ports for daisy-chain networking, with 6-channel Relay Output and 6-channel Digital Input with counter, can be configured as as Wet Contact Sink or Source type. Communicable over Modbus TCP and Modbus UDP protocol, Supports operating temperatures of -25°C ~ +75°C (-13°F ~ 167°F) and has a din rail mount. Replacement for PETL-7060.

ET-7260

Modbus TCP Based Ethernet I/O Module with 2 Ethernet ports for daisy-chain networking, with 6-channel Relay Output and 6-channel Digital Input with counter, can be configured as as Wet Contact Sink or Source type. Communicable over Modbus TCP and Modbus UDP protocol, Supports operating temperatures of -25°C ~ +75°C (-13°F ~ 167°F) and has a din rail mount. Replacement for PETL-7060.

  Price:  $349.00  

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Features

ET-7260 application

The ET-7260 provides 6 wet contact digital input channels and 6 form A electromechanical relays. It features optical isolation for 3000 VDC of transient overvoltage protection and doesn’t have channel-to-channel isolation. Each input channel can be used as a 32-bit counter. The power-on value and safe value of relay are programmable.

Note: When inductive loads are connected to the relays, a large counter electromotive force may occur when the relay actuates because of the energy stored in the load. These flyback voltages can severely damage the relay contacts and greatly shorten the relay life. Limit these flyback voltages at your inductive load by installing a flyback diode for DC loads or a metal oxide varistor for AC loads.

  • 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
  • Wide Operating Temperature Range: -25 ~ +75°C
  • I/O Pair Connection
  • Built-in I/O
    • DI/Counter: 6 Channels
    • Power Relay: 6 Channels

Applications

Building Automation, Factory Automation, Machine Automation, Remote Maintenance, Remote Diagnosis, Testing Equipment.

Daisy-Chain Ethernet Cabling

The ET-7200/PET-7200 Series has a built-in two-port Ethernet switch to implement daisy-chain topology. The cabling is much easier and total costs of cable and switch are significantly reduced.

application2

LAN Bypass

LAN Bypass feature guarantees the Ethernet communication. It will automatically active to continue the network traffic when the ET-7200/PET-7200 looses its power.

application3

Communication Security

Account and password are needed when logging into the web server. An IP address filter is also included, which can be used to allow or deny connections with specific IP addresses.

Support for both Modbus TCP and Modbus UDP Protocols

The Modbus TCP, Modbus UDP slave function on the Ethernet port can be used to provide data to remote SCADA software.

Built-in I/O

Various I/O components are mixed with multiple channels in a single I/O module, which provides the most cost effective I/O usage and enhances performance of the I/O operations.

Dual Watchdog

The Dual Watchdog is consists of a Module Watchdog and a Communication Watchdog. The action of AO,DO are also associated to the Dual Watchdog.
Module Watchdog is a built-in hardware circuit to monitor the operation of the module and will reset the CPU if a failure occurs in the hardware or the software. Then the Power-on Value of AO,DO will be loaded.
Communication Watchdog is a software function to monitor the communication between the host and the I/O module. The timeout of the communication Watchdog is proprgrammable, when the I/O doesn't receive commands from the host for a while, the watchdog forces the AO,DO to pre-programmed Safe Value to prevent unpredicatable damage of the connected devices.

Highly Reliable Under Harsh Environment

  • Wide Operating Temperature Range: -25 ~ +75°C
  • torage Temperature: -30 ~ +80°C
  • Humidity 10 ~ 90% RH (Non-condensing)

I/O Pair Connection

This function is used to create a AI/DI to AO/DO pair through the Ethernet. Once the configuration is completed, the I/O module can poll the status of remote AI/DI devices and then use the Modbus TCP protocol to continuously write to a local AO/DO channels in the background.

application4 application5

Power-on Value and Safe Value

Besides setting by the set AO,DO commands, the AO,DO can be set under two other conditions.
Power-on Value: The Power-on Value is loaded into the AO,DO under 3 conditions: Power-on, reset by Module Watchdog, reset by reset command.
Safe Value: When the Communication Watchdog is enabled and a Communication Watchdog timeout occurs, the “safe value” is loaded into the AO,DO.

Specifications

Software
Built-In Web Server Yes
Web HMI Yes
I/O Pair Connection Yes
Communication
Ethernet Port 2 x RJ-45, 10/100 Base-TX, Swtich Ports
PoE -
Protocol Modbus/TCP, Modbus/UDP
Security ID, Password and IP Filter
Dual Watchdog Yes, Module (0.8 second), Communication (Programmable)
LED Indicators
for System Running Yes
for Ethernet Link/Act Yes
for DI/DO status Yes
for PoE Power -
2-Way Isolation
Ethernet 1500 VDC
I/O 3000 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for Each Terminal and ±8 kV Air for Random Point
EFT (IEC 61000-4-4) ±4 kV for Power Line
Surge (IEC 61000-4-5) ±2 kV for Power Line
Power Requirements
Reverse Polarity Protection Yes
Powered from Terminal Block 12 ~ 48 VDC
Powered from PoE -
Consumption 3.6 W
Mechanical
Dimensions (W x L x H) 76 mm x 120 mm x 38 mm
Installation DIN-Rail or Wall mounting
Environmental
Operating Temperature -25 ~ +75°C
Storage Temperature -30 ~ +80°C
Humidity 10 ~ 90% RH, Non-condensing

I/O Specifications

Digital Input/Counter
Channels 6
Contact Wet Contact
Sink/Source (NPN/PNP) Sink/Source
On Voltage Level +10 VDC ~ +50 VDC
Off Voltage Level +4 VDC Max.
Input Impedance 10 kΩ
Counters Max. Count 4,294,967,285 (32 bits)
Max. Input Frequency 100 Hz
Min. Pulse Width 5 ms
Overvoltage Protection +70 VDC
Power Relay
Channels 6
Type Power Relay, Form A (SPST N.O.)
Contact Rating 5 A @ 250 VAC/24 VDC (Resistive Load)
Min. Contact Load 10 mA @ 5 V
Operate Time 10 ms (max.)
Release Time 5 ms (max.)
Mechanical Endurance 2 × 107 ops.
Electrical Endurance 105 ops.
Power-on Value Yes, Programmable
Safe Value Yes, Programmable

References and Support

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