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ET-7253 - 16 Digital Inputs
by ICP DAS
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Modbus TCP Based Ethernet I/O Module with 2 Ethernet ports for daisy-chain networking, with 16-channel Digital Input, can be configured as Dry Contact 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.
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The ET-7253 provides 16 dry 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.
- 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
| 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 |
2500 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 |
| Power Requirements |
| Reverse Polarity Protection |
Yes |
| Powered from Terminal Block |
12 ~ 48 VDC |
| Powered from PoE |
- |
| Consumption |
3.7 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 |
16 |
| Contact |
Dry Contact |
| Sink/Source (NPN/PNP) |
Source |
| On Voltage Level |
Close to GND |
| Off Voltage Level |
Open |
| Counters |
Max. Count |
4,294,967,285 (32 bits) |
| Max. Input Frequency |
100 Hz |
| Min. Pulse Width |
5 ms |
| Overvoltage Protection |
- |
| Effective Distance |
500 M Max. |
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