PLC Based Automation Solutions and Communication System
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WF-2255
WF-2255
Wi-Fi I/O Module with Isolated 8-ch (Dry, Wet) DI, Isolated 8-ch (Sink, NPN) DO (Asia Only)
Features
- Compatible with IEEE 802.11a/b/g/n standards
- Support WEP, WPA and WPA2 wireless encryption
- Support Modbus TCP protocols
- Support I/O pair connection mode
- Built-in Watchdog
- Built-in I/O
- DI/Counter: 8 Channels
- DO: 8 Channels
- Introduction
- Application
- Specification
- Download
- Get A Quote
Introduction
The WF-2255 is a dual bands 2.4/5 GHz Wi-Fi interface and 8-channel isolated digital input with 32-bit counters, 8-channel sink type isolated digital output module. With the popularity of 802.11 network infrastructure, the WF-2255 makes an easy way to incorporate wireless connectivity into monitoring and control systems. The WF-2255 also supports Modbus TCP protocol and the network encryption configuration, which makes perfect integration to SCADA software and offer easy and safe access for users from anytime and anywhere.
| Digital I/O (Asia Only) | |||||||
|---|---|---|---|---|---|---|---|
| Model | WiFi | DI / Counter | DO | ||||
| Frequency | Channel | Type | Sink / Source | Channel | Type | Max. Load Current @ 25°C | |
| WF-2042 | 2.4 GHz | - | - | - | 16 | Open Collector (Sink) | 700 mA |
| WF-2051 | 2.4 GHz | 16 | Dry, Wet |
Dry: Source Wet: Sink / Source |
- | - | - |
| WF-2055 | 2.4 GHz | 8 | 8 | Open Collector (Sink) | 700 mA | ||
| WF-2251 | 2.4 / 5 GHz | 16 | Dry, Wet |
Dry: Source Wet: Sink / Source |
- | - | - |
| WF-2255 | 2.4 / 5 GHz | 8 | 8 | Open Collector (Sink) | 700 mA | ||
Application
Specification
| Isolation | |
|---|---|
| Intra-module Isolation |
DI: 3750 VDC DO: 3750 VDC |
| Wi-Fi | |
|---|---|
| Transmission Distance (LoS) | 50 meters (LOS) |
| Standard | IEEE 802.11 a/b/g/n |
| RX Sensitivity |
-95 dBm @ 2.4 GHz -90 dBm @ 5 GHz |
| Output Power | 15 dBm (Max.) |
| Mode | Infrastructure & Limit-AP |
| Encryption | WEP, WPA and WPA2 |
| Antenna |
Omni-Directional 3 dBi @ 2.4 GHz 5.5 dBi @ 5 GHz |
| Digital Input / Counter | |
|---|---|
| Channels |
|
| Type |
|
| Sink / Source (NPN / PNP) |
|
| ON Voltage Level |
|
| OFF Voltage Level |
|
| Max. Counts | 32-bit (4294967295) |
| Frequency | 8K Hz Max. |
| Digital Output | |
|---|---|
| Channels | 8 |
| Type | Open Collector |
| Sink / Source (NPN / PNP) | Sink (NPN) |
| Load Voltage | +3.5 VDC ~ +50 VDC |
| Load Current | 700 mA per channel |
| Overvoltage Protection | 60 VDC |
| Power | |
|---|---|
| Reverse Polarity Protection | +10 VDC ~ +30 VDC |
| Consumption | 1.9 W |
| Mechanical | |
|---|---|
| Dimensions (mm) |
33 x 127 x 107 (W x L x H) (Without antenna) |
| Installation | DIN-Rail Mounting |
| Environment | |
|---|---|
| Operating Temperature | -25 ~ +75 °C |
| Storage Temperature | -30 ~ +80 °C |
| Humidity | 10 ~ 90% RH, Non-condensing |
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