Wi-Fi I/O Modules
The WF-2000 and tWF series are Wi-Fi I/O modules. Connection comply with the IEEE 802.11 b/g standards. With the popularity of 802.11 network infrastructure. The WF-IO-4N is a flexible Wi-Fi I/O that can be equipped with an ICPDAS XV seriers I/O module. The WF-IO-4N supports Wi-Fi 5G band and is compliant with IEEE 802.11 a/b/g/n standards compared to WF-2000 and tWF. The WF-2000, tWF and WF-IO-4N series support Modbus/TCP and UDP protocol and the network encryption confi guration, which make perfect integration to SCADA software and off er easy and safe access for users from anytime and anywhere.
| Wi-Fi I/O | WF Series (WF-2000) | tWF Series | WF IO Series |
|---|---|---|---|
| Pictures | ![]() |
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| Dimensions (W x L x H, Units: mm) | 33 x 106 x 120 | 52 x 97 x 27 | 150 x 38 x 97 |
| Antenna | Yes | No | Yes |
Applications


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Analog I/O
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| Model | WiFi | AI | ||
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| Frequency | Channel | Voltage & Current Input | Sensor | |
| WF-2015
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2.4 GHz | 6 | - | RTD: Pt100, Pt1000, Ni120, Cu50, Cu100, Cu1000 |
| WF-2017
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2.4 GHz | 8/16 (DIFF/SE) | ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V 0 ~ +20 mA, +4 ~ +20 mA, ±20 mA |
- |
| WF-2019/S
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2.4 GHz | 10 | ±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, ±10 V, ±20 mA |
Thermocouple: J, K, T, E, R, S, B, N, C |
| WF-2215 |
2.4/ 5 GHz | 6 | - | RTD: Pt100, Pt1000, Ni120, Cu50, Cu100, Cu1000 |
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Multifunction I/O (Asia Only)
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| Model | WiFi | AI | AO | DI | DO | ||||
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| Frequency | Channel | Voltage & Current Input | Channel | Voltage & Current Input | Channel | Type | Channel | Type | |
| WF-2026
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2.4 GHz | 5 | ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V 0 ~ +20 mA, +4 ~ +20 mA, ±20 mA |
2 | +0 ~ +5 V, +0 ~ +10 V, ±5 V, ±10 V +0 ~ +20 mA, +4 ~ +20 mA |
2 | Dry (Source) | 3 | Open Collector (Sink) |
| WF-2226 |
2.4/ 5 GHz | 5 | ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V 0 ~ +20 mA, +4 ~ +20 mA, ±20 mA |
2 | +0 ~ +5 V, +0 ~ +10 V, ±5 V, ±10 V +0 ~ +20 mA, +4 ~ +20 mA |
2 | Dry (Source) |
3 | Open Collector (Sink) |
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Digital I/O (Asia Only)
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| Model | WiFi | DI/Counter | DO | ||||
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| Frequency | Channel | Type | Sink/Source | Channel | Type | Max. Load Current @ 25°C | |
| WF-2042
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2.4 GHz | - | - | - | 16 | Open Collector (Sink) | 700 mA |
| WF-2051
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2.4 GHz | 16 | Dry, Wet | Dry: Source Wet: Sink/Source |
- | - | - |
| WF-2055
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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 | ||
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Relay I/O
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| Model | WiFi | DI/Counter | Relay Output | ||||||||
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| Frequency | Channel | Type | Sink/Source | Channel | Type | Max. Load Current @ 25°C | |||||
| WF-2060
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2.4 GHz | 6 | Dry, Wet | Dry: Source Wet: Sink/Source |
6 | Power Relay (Form A) | 5 A/channel | ||||
| WFM-R14
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2.4 GHz | - | - | - | 14 | 2 Power Relays (Form A) 12 Power Relays (Form C) |
5 A/channel (Form A) 6 A/channel (Form C) |
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| WF-2260 |
2.4/5 GHz | 6 | Dry, Wet | Dry: Source Wet: Sink/Source |
6 | Power Relay (Form A) | 5 A/channel | ||||
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Analog I/O
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| Model | AI | ||
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| Channel | Voltage & Current Input | Sensor | |
| tWF-AD5
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5 | ±1.25 V, ±2.5 V, ±5 V, ±10 V | - |
| tWF-TH8
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8 | - | Thermistor |
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Multifunction I/O (Asia Only)
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| Model | AI | AO | DI | DO | Relay Output | |||||
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| Channel | Voltage & Current Input | Channel | Voltage & Current Input | Channel | Type | Channel | Type | Channel | Type | |
| tWF-DA1PD2R1
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- | - | 1 | 0 ~ 10 V, 0 ~ 20 mA | 2 | Dry Contact | - | - | 1 | Power Relay |
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Digital & Relay I/O (Asia Only)
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| Model | DI | DO | ||||
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| Channel | Type | Sink/Source | Channel | Type | Max. Load Current @ 25°C | |
| tWF-PD4R3
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4 | Dry | Sink | 3 | Power Relay | Relay DC 30 V/5 A, AC 250 V/5 A |
| tWF-PD4SR2A
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2 | AC SSR | AC SSR AC 240 V/1.5 A | |||
| tWF-PD4SR2D
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DC SSR | DC SSR DC 3 ~ 30 V/1 A | ||||
| tWF-PD8
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8 | - | - | - | ||
| tWF-R6
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- | - | - | 6 | Power Relay | Relay DC 30 V/5 A, AC 250 V/5 A |
The WF-IO-4N is a Wi-Fi I/O with Modbus communication protocol, which can be equipped with an ICPDAS XV series I/O module. The WF-IO-4N supports Wi-Fi 5G band and is compliant with IEEE 802.11 a/b/g/n standards. In the I/O section, the WF-IO-4N supports ICP DAS’s XV I/O boards, including analog current and voltage input/output, digital signal input/output, TC/RTD temperature measurement, pulse counting, and more. These various I/O signal types can accommodate different application needs in the field.
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WF-IO
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| Model | Frequency | Wi-Fi Standrad | Wi-Fi Mode | Protocol | Transmission Distance (LoS) |
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| WF-IO-4N | 2.4/5 GHz | IEEE 802.11 a/b/g/n | AP/ Station |
Modbud/TCP & UDP MQTT |
50m |
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XV Board
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| Model | Specification | ||||
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| DIO Expansion | |||||
| XV107 | 8x DI (Wet), 8x DO (NPN) | ||||
| XV107A | 8x DI (Wet), 8x DO (PNP) | ||||
| XV110 | 16x DI (Dry/Wet) | ||||
| XV111 | 16x DO (NPN) | ||||
| XV111A | 16x DO (PNP) | ||||
| XV161-SL | |||||
| Relay Output Expansion | |||||
| XV116 | 5x DI (Wet), 6x Relay | ||||
| XV119 | 9x Relay | ||||
| Multi-Function Expansion | |||||
| XV303 | 4x AO (V, mA), 4x DI (Wet), 4x Relay | ||||
| XV305 | 4x AI (V, mA, Thermocouple), 4x DI (Wet), 4x Relay | ||||
| XV306 | 4x AI (V, mA), 4x DI (Wet), 4x Relay | ||||
| XV307 | 2x AO (V, mA), 4x DI (Wet), 4x Relay | ||||
| XV308 | 8x AI (V, mA), 8x [DI (Dry/Wet)+DO (NPN)] (Universal DIO) | ||||
| XV310 | 4x AI (V, mA), 2x AO (V, mA), 4x DI (Dry), 4x DO (PNP) | ||||
| XV315 | 3x AI (RTD), 3x AO (V, mA), 4x DI/Counter (Wet) | ||||
Please refer to the link below for details: https://www.icpdas.com/root/product/solutions/industrial_wireless_communication/wlan_products/external_antenna.html



