ES-9111 Rev.1
WL40EW2TW
Wireless I/O WL40TW Series
WIRELESS GATEWAY
(Modbus/TCP (Ethernet), Modbus-RTU Transparent 920MHz Band Wireless Device (parent device) for Taiwan)
MODEL: WL40EW2TW-[1][2]
ORDERING INFORMATION
• Code number: WL40EW2TW-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. WL40EW2TW-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 with RS-485 transparent type, which can communicate using Modbus-RTU protocol.
• Converts Modbus-RTU (RS-485) and Modbus/TCP (Ethernet) 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.
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 mm
2
, stripped length 10 mm
Ethernet:
RJ-45 Modular Jack
Maintenance
: Mini USB type B female connector
Housing material
: Flame-resistant resin
Isolation
: Power supply to Ethernet or FE1 to antenna connector
Switch
: IP Reset
Refer to the instruction manual for details.
Indicator LED
: Power
COMMUNICATION
■ Common spec.
Modbus protocol
Protocol
: Modbus/TCP
Data
: RTU (Binary)
Port No
.: 502
Max. number of socket connections
: 8
IP address
: 192.168.0.1
(factory setting; can be changed via web browser)
■
Ethernet
Communication Standard
: IEEE 802.3u
Transmission
: 10BASE-T, 100BASE-TX
Baud rate
: 10/100 Mbps (Auto Negotiation function)
Transmission media
: 10BASE-T (STP, Category 5) 100BASE-TX (STP, Category 5e)
Max. length of fieldbus segment
: 100 meters
Ethernet indicator LED
: Link, Link100
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
Number of child devices
: Max. 100
Protocol
: Modbus-RTU
Communication module
: Coordinator module incorporated (Oki Electric Industry Co., Ltd. )
Radio parameters setting
: by Web browser
Max. transmission distance (optical)
: Approx. 1 km
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: ≤ 90 mA
12 V DC: ≤ 170 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. 270 g (0.60 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 Ethernet or FE1 to antenna connector)
STANDARDS & APPROVALS
NCC Taiwan Radio Wave Regulatory
WEB BROWSER SETTING
With Web browser, settings shown below are available.
Refer to the operating manual (EM-9115-B) for detailed settings.
EXTERNAL VIEW
TERMINAL ASSIGNMENTS
MODBUS FUNCTION CODES & SUPPORTED CODES
EXTERNAL DIMENSIONS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
SYSTEM CONFIGURATION EXAMPLES