ES-9084 Rev.1

WL40W1F-DS2

Wireless I/O WL40F Series

WIRELESS INPUT UNIT

Modbus-RTU Transparent 900MHz Band Wireless Device (Child Device), Built-in I/O, 2-wire Transmitter Inputs 2 points)

MODEL: WL40W1F-DS2-R[1]

ORDERING INFORMATION

• Code number: WL40W1F-DS2-R[1]
Specify a code from below for [1].
(e.g. WL40W1F-DS2-R/E/Q)
• Specify the specification for option code /Q
(e.g. /C01)

I/O TYPE

DS2: 2 2-wire transmitter inputs

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[1] OPTIONS (multiple selections)

Antenna
/S: Sleeve antenna
/E: Rooftop antenna
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating

FUNCTIONS & FEATURES

This unit
• Operates as a 900MHz band wireless device.
• Incorporates the module compliant with FCC Part 15, and can be used only in the United States.
• Connects inputs by wireless communication using Modbus-RTU protocol.

RELATED PRODUCTS

For related products of wireless device, refer to our web site.
• PC configurator software (model: W920FCFG)
Downloadable at our web site.
A dedicated cable is required to connect the unit to the PC. Please refer to the internet software download site or the users manual for the PC configurator software for applicable cable types.
Maintenance software
Maintenance console: MH920 Console International (model: MH920CI) (OKI)
(Maintenance software is downloadable at our web site.)
Coaxial cable
• 7.5 m extension cable for rooftop antenna (model: CX-SAC0SAD0Q0750) (OKI)
Using 7.5 m coaxial cable for extension decreases transmission distance.

GENERAL SPECIFICATIONS

Connection
Wireless network: SMA coaxial connector
Power supply: Tension clamp (Front Twin　connection)
Applicable wire size: 0.2 - 2.5 mm², stripped length 10 mm
Input: Separable tension clamp terminal
Applicable wire size: 0.2 - 1.5 mm², stripped length 10 mm
Maintenance: Mini USB type B female connector
Isolation: Power input to FE1 to Input 1 to Input 2 to antenna connector
Indicator LED: Power

WIRELESS SPECIFICATIONS

Communication Standard: IEEE 802.15.4g
Frequency: 900MHz band (902 - 928 MHz)
Max. Transmission power: 20mW
Bandwidth: 400 kHz
Modulation: GFSK
Baud rate: Max. 100 kbps
Channels: 1 to 43ch
Security: 128bit AES
Indicator LEDs: 920Run, 920Link, 920ERR
Protocol: Modbus-RTU
Communication module: Coordinator module incorporated (Oki Electric Industry Co., Ltd. )
Radio parameters setting: Configurator software
Antenna
•Sleeve antenna (Model: MH920-ANT-F (S))
Indoor use
Non-waterproof
Non-directional
Gain: 3.0dBi max.
•Rooftop antenna (Model: MH920-ANT-F (R))
Outdoor/indoor use
Cable length: 2.5 m
Waterproof performance: IPx6 (except connector)
Non-directional
Gain: 2.0dBi max.

SUPPLY OUTPUT

(across the terminals 1 – 2)
Output voltage: 24 – 28 V DC with no load
19 V DC min. at 20 mA
Current rating: ≤ 22 mA DC
∙Shortcircuit Protection
Current limited: Approx. 30 mA
Protected time duration: No limit

INPUT SPECIFICATIONS

Input setting: Configurator software
No. of input channel: 2
Input resistance: 250 Ω resistor incorporated
DC Current: 4 – 20 mA DC
Conversion rate: 40 msec.

INSTALLATION

Current consumption: ≤ 140 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Storage temperature: -10 to +55°C (14 to +131°F)
Operating humidity: 10 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail
Weight
Unit: Approx. 270 g (0.60 lb)
Sleeve antenna (standard): 27 g (0.95 oz)
Rooftop antenna: 52 g (1.83 oz)

PERFORMANCE

Conversion accuracy: ±0.05 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(power input to FE1 to input 1 to input 2 to antenna connector)