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ET-7251 CR Ethernet I/O Module with 2-port Ethernet Switch, with 16-ch DI (RoHS)
Module 16 kênh đầu vào số kết nối 2 cổng Ethernet Modbus TCP/IP ICP DAS ET-7251
Features
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: 16 Channels
Introduction
The ET-7051/PET-7051/ET-7251/PET-7251 provides 16 wet contact digital input channels. Each input channel can be used as a 32-bit counter. It features optical isolation for 3750 Vrms of transient overvoltage protection but doesn’t provide channel-to-channel isolation. It can safely be used in applications where hazardous voltages are present.
System Specificaiton
Models |
ET-7051 |
PET-7051 |
ET-7251 |
PET-7251 |
Software |
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Built-In Web Server |
Yes |
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Web HMI |
Yes |
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I/O Pair Connection |
Yes |
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Communication |
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Ethernet Port |
1 x RJ-45, 10/100 Base-TX |
2 x RJ-45, 10/100 Base-TX, Swtich Ports |
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PoE |
- |
Yes |
- |
Yes |
Protocol |
Modbus/TCP, Modbus/UDP |
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Security |
ID, Password and IP Filter |
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Dual Watchdog |
Yes, Module (0.8 second), Communication (Programmable) |
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LED Indicators |
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for System Running |
Yes |
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for Ethernet Link/Act |
Yes |
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for DI/DO status |
- |
Yes |
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for PoE Power |
- |
Yes |
- |
Yes |
2-Way Isolation |
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Ethernet |
1500 VDC |
- |
1500 VDC |
- |
I/O |
2500 VDC |
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EMS Protection |
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ESD (IEC 61000-4-2) |
4 kV Contact for Each Terminal and 8 kV Air for Random Point |
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EFT (IEC 61000-4-4) |
+/-4 kV for Power |
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Power Requirements |
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Reverse Polarity Protection |
Yes |
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Powered from Terminal Block |
10 ~ 30 VDC |
12 ~ 48 VDC |
12 ~ 48 VDC |
12 ~ 48 VDC |
Powered from PoE |
- |
Yes, IEEE 802.3af, Class1 |
- |
Yes, IEEE 802.3af, Class1 |
Consumption |
2.1 W (Max.) |
2.1 W (Max.) |
2.9 W (Max.) |
3.1 W (Max.) |
Mechanical |
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Dimensions (W x L x H) |
72 mm x 123 mm x 35 mm |
76 mm x 120 mm x 38 mm |
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Installation |
DIN-Rail or Wall mounting |
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Environmental |
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Operating Temperature |
-25 ~ +75°C |
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Storage Temperature |
-30 ~ +80°C |
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Humidity |
10 ~ 90% RH, Non-condensing |
I/O Specificaiton
Models |
ET-7051 |
PET-7051 |
ET-7251 |
PET-7251 |
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Digital Input/Counter |
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Channels |
16 |
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Contact |
Wet Contact |
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Sink/Source (NPN/PNP) |
Sink/Source |
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On Voltage Level |
+10 VDC ~ +50 VDC |
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Off Voltage Level |
+4 VDC Max. |
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Input Impedance |
10 kΩ |
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Counters |
Max. Count |
4,294,967,285 (32 bits) |
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Max. Input Frequency |
500 Hz |
100 Hz |
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Min. Pulse Width |
1 ms |
5 ms |
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Overvoltage Protection |
+70 VDC |
Download
Odering information
ET-7051 CR |
Ethernet I/O Module with 16-ch DI (RoHS) |
PET-7051 CR |
PoE Ethernet I/O Module with 16-ch DI (RoHS) |
ET-7251 CR |
Ethernet I/O Module with 2-port Ethernet Switch, with 16-ch DI (RoHS) |
PET-7251 CR |
PoE Ethernet I/O Module with 2-port Ethernet Switch, with 16-ch DI (RoHS) |
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