ET-7261/PET-7261

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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

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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
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	-	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.)
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

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中国广东深圳市福田区八卦三路深药大厦522

Power Relay
Channels	11
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