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

WL40MW1KR

Wireless I/O WL40KR Series

WIRELESS GATEWAY
(Modbus-RTU Transparent 920MHz Band Wireless Device (child device) for Korea)

MODEL: WL40MW1KR-[1][2]

ORDERING INFORMATION
• Code number: WL40MW1KR-[1][2]
Specify a code from below for each of [1] and [2].
  (e.g. WL40MW1KR-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 M-System's 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 Korea only.

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.

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 (920.5 - 923.5 MHz)
Max. Transmission power: 12.5mW (limited in some channels)
Bandwidth: 400 kHz
Modulation: GFSK
Baud rate: Max. 100 kbps
Channels: 1 to 14ch
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
KCC Korea Radio Waves Act
  KN 301489-1
  KN 61000-6-2
  KN 61000-6-4

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

TERMINAL ASSIGNMENTS

MODBUS FUNCTION CODES & SUPPORTED CODES

EXTERNAL DIMENSIONS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

SYSTEM CONFIGURATION EXAMPLES

M-System Co., Ltd.