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Ethernet I/O Module with 11-channels Relay
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Model: ET-7261 Model: PET-7261
  • 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
    • Power Relay: 11 Channels
The ET-7261/PET-7261 provides 11 form A electromechanical relays. It features optical isolation for 3000 VDC of transient overvoltage protection and doesn’t have channel-to-channel isolation. The power-on value and safe value of relay are programmable. It can safely be used in applications where hazardous voltages are present.
Models ET-7261 PET-7261
Built-In Web Server Yes
Web HMI Yes
I/O Pair Connection Yes
Ethernet Port 2 x RJ-45, 10/100 Base-TX, Swtich Ports
PoE - Yes
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 - Yes
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 12 ~ 48 VDC
Powered from PoE - Yes, IEEE 802.3af, Class1
Consumption 4.4 W (Max.) 4.6 W (Max.)
Dimensions (W x L x H) 76 mm x 120 mm x 38 mm
Installation DIN-Rail or Wall mounting
Operating Temperature -25 ~ +75°C
Storage Temperature -30 ~ +80°C
Humidity 10 ~ 90% RH, Non-condensing
Power Relay
Channels 11
Type Power Relay, Form A (SPST N.O.)
Contact Rating 5 A @ 250 VAC/24 VDC
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
ET-7261 CR Ethernet I/O Module with 2-port Ethernet Switch, with 11-channels Relay (RoHS)
PET-7261 CR PoE Ethernet I/O Module with 2-port Ethernet Switch, with 11-channels Relay (RoHS)

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