ES-9112 Rev.1

WL40MW1TW

Wireless I/O WL40TW Series

WIRELESS GATEWAY

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

MODEL: WL40MW1TW-[1][2]

ORDERING INFORMATION

• Code number: WL40MW1TW-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. WL40MW1TW-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 Taiwan only.
• Importing to Taiwan, registering an import agency with NCC (acquiring an import license) is necessary.

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.

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 (920.2 - 924.8 MHz)
Max. Transmission power: 20mW
Bandwidth: 400 kHz
Modulation: GFSK
Baud rate: Max. 100 kbps
Channels: 1 to 8ch
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)