·Some details are not shown. Please refer to specification sheets for all information.

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 M-System's 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 M-System's web site.
• PC configurator software (model: W920FCFG)
Downloadable at M-System’s 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 M-System’s 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)

STANDARDS & APPROVALS
Module conforming to FCC Part 15 incorporated

CONFIGURATOR SOFTWARE SETTING
With configurator software, settings shown below are available.
Refer to the users manual of W920FCFG for detailed operation.

EXTERNAL VIEW

TERMINAL ASSIGNMENTS

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

INPUT DATA DESCRIPTIONS

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.