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ICP DAS ET-7252 - 8 Channel Digital Inputs and 8 Channel Digital Outputs
by ICP DAS
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Modbus TCP Based Ethernet I/O Module with 2 Ethernet ports for daisy-chain networking, with 8-channel Digital Input with counter and 8-channel Digital Output, can be configured 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.
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The ET-7252 provides 8 wet contact digital input channels and 8 source-type digital output channels. It features optical isolation for 2500 VDC of transient overvoltage protection but doesn’t provide channel-to-channel isolation. Each input channel can be used as a 32-bit counter and each output channel can drive 650 mA load. The power-on value and safe value of digital output channel are programmable. 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
- DI/Counter: 8 Channels
- DO: 8 Channels
| 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) |
±2 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 |
3.5 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 |
8 |
| 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 |
4,294,967,295 (32 bits) |
| Max. Input Frequency |
100 Hz |
| Min. Pulse Width |
5 ms |
| Overvoltage Protection |
+70 VDC |
| Digital Output |
| Channels |
8 |
| Type |
Isolated Open Collector |
| Sink/Source (NPN/PNP) |
Source |
| Max. Load Current |
650 mA/channel at 25°C |
| Load Voltage |
+10 VDC ~ +40 VDC |
| Overvoltage Protection |
47 VDC |
| Overload Protection |
- |
| Short-circuit Protection |
Yes |
| Power-on Value |
Yes, Programmable |
| Safe Value |
Yes, Programmable |
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