ES-9118 Rev.3

WL40MW1VN

Wireless I/O WL40VN Series

WIRELESS GATEWAY

(Modbus-RTU Transparent 920MHz Band Wireless Device (child device) for Vietnam)

MODEL: WL40MW1VN-[1][2]

ORDERING INFORMATION

• Code number: WL40MW1VN-[1][2]
Specify a code from below for each of [1] and [2].
  (e.g. WL40MW1VN-R/E/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] POWER INPUT

DC Power
S: 12 V DC
(Operational voltage range 12 V ±10 %, ripple 10 %p-p max.)
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] 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
• Incorporates 920MHz band wireless module.
• Works as a gateway between wireless and  RS-485 using Modbus-RTU protocol.
For use in Vietnam only.

RELATED PRODUCTS

For related products of wireless device, refer to our web site.
• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: W920FCFG)
Downloadable at our web site.
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.

PACKAGE INCLUDES...

• Terminating resistor (110 Ω, 0.25 W)

GENERAL SPECIFICATIONS

Connection
 Wireless network: SMA coaxial connector
 RS-485: Tension clamp (Front Twin connection)
 Applicable wire size: 0.2 - 1.5 mm2, stripped length 10 mm
 Power supply: Tension clamp (Front Twin connection)
 Applicable wire size: 0.2 - 2.5 mm2, stripped length 10 mm
 Maintenance: Mini USB type B female connector
Isolation: Power input to Modbus to FE1 to antenna connector
Indicator LED: Power

MODBUS COMMUNICATION

Protocol: Modbus-RTU
Configuration: Bus type multi-drop
Standard: Conforms to TIA/EIA-485-A
Communication: Half-duplex, asynchronous, no procedure
Transmission distance: 500 meters max.
Transmission media: Shielded twisted-pair cable (CPEV-S 0.9 dia.)
Status indicator LED: ERR, RD, SD
Max. no. of connections at once: 31
Transmission setting: PC configurator software
 Data: RTU (Binary)
 Baud rate: 4800, 9600, 19.2k, 38.4 k (bps)
 Parity: None, even or odd
 Stop bit: 1 or 2

WIRELESS SPECIFICATIONS

Communication Standard: IEEE 802.15.4g
Frequency: 920MHz band (918.9 - 922.5 MHz)
Max. Transmission power: 20mW
Modulation: GFSK
Baud rate: Max. 100 kbps
Channels: 2 to 7ch
Security: 128bit AES
Indicator LEDs: 920Run, 920Link, 920ERR
Protocol: Modbus-RTU
Communication module: Router module incorporated (Oki Electric Industry Co., Ltd. )
Radio parameters setting: by PC 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.

INSTALLATION

Current consumption:
 24 V DC: ≤ 70 mA
 12 V DC: ≤ 130 mA
Operating temperature: -20 to +60°C (-4 to +140°F)
Operating humidity: 10 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail
Weight
  Unit: Approx. 260 g (0.57 lb)
  Sleeve antenna (standard): 27 g (0.95 oz)
  Rooftop antenna: 52 g (1.83 oz)

PERFORMANCE

Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(power input to Modbus to FE1 to antenna connector)

STANDARDS & APPROVALS

QCVN 47: 2015 / BTTTT
QCVN 96: 2015 / BTTTT

CONFIGURATOR SOFTWARE SETTING

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

EXTERNAL VIEW

COMMUNICATION CABLE CONNECTIONS

■ WIRING CONNECTION WITH SLAVE DEVICES

TERMINAL ASSIGNMENTS

MODBUS FUNCTION CODES & SUPPORTED CODES

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

SYSTEM CONFIGURATION EXAMPLES