ES-9115 Rev.1
WL40EW2TH
Wireless I/O WL40TH Series
WIRELESS GATEWAY
(Modbus/TCP, Modbus-RTU Transparent 920MHz Band Wireless Device (parent device) for Thailand)
MODEL: WL40EW2TH-[1][2]
ORDERING INFORMATION
• Code number: WL40EW2TH-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. WL40EW2TH-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 Thailand only.
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
NBTC, Thailand Radio Waves Act
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