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

WL40W1F-DAC4A

Wireless I/O WL40F Series

WIRELESS I/O UNIT
Modbus-RTU Transparent 900MHz Band Wireless Device (Child Device), Built-in I/O, 2 contact Inputs, 2 NPN Transistor Outputs

MODEL: WL40W1F-DAC4A-[1][2]

ORDERING INFORMATION
• Code number: WL40W1F-DAC4A-[1][2]
Specify a code from below for each [1] and [2].
 (e.g. WL40W1F-DAC4A-R/E/Q)
• Specify the specification for option code /Q
 (e.g. /C01)

I/O TYPE
DAC4A: 2 contact inputs, 2 NPN transistor outputs

[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
• Operates as a 900MHz band wireless device (child device).
• Incorporates the module compliant with FCC Part 15, and can be used only in the United States.
• Connects inputs/outputs by wireless communication using Modbus-RTU protocol.

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.

GENERAL SPECIFICATIONS
Connection
 Wireless network: SMA coaxial connector
 Power supply: Tension clamp (Front Twin connection)
 Applicable wire size: 0.2 - 2.5 mm2, stripped length 10 mm
 Input/output: Separable tension clamp terminal
 Applicable wire size: 0.2 - 1.5 mm2, stripped length 10 mm
 Maintenance: Mini USB type B female connector
Isolation: Power input to FE1 to Contact input to Transistor output to antenna connector 
Indicator LED: Power

WIRELESS SPECIFICATIONS
Communication Standard: IEEE 802.15.4g
Frequency: 900MHz band (902 - 928 MHz)
Max. Transmission power: 20mW
Bandwidth: 400 kHz
Modulation: GFSK
Baud rate: Max. 100 kbps
Channels: 1 to 43ch
Security: 128bit AES
Indicator LEDs: 920Run, 920Link, 920ERR
Protocol: Modbus-RTU
Communication module: Coordinator module incorporated (Oki Electric Industry Co., Ltd. )
Radio parameters setting: 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.

INPUT SPECIFICATIONS
CONTACT INPUT (NPN/PNP)
Number of input
: 2 points
Rated input voltage:
24 V DC: ±10 %, ripple 5 %p-p max. (for power input 24 V DC)
12 V DC: ±10 %, ripple 5 %p-p max. (for power input 12 V DC)
ON voltage/ON Current:
≥ 16 V DC (between input terminal and COM)/  ≥ 3.7 mA (for power input 24 V DC)
≥ 7.5 V DC (between input terminal and COM)/ ≥ 3.7 mA (for power input 12 V DC)
OFF voltage/OFF current:
≤ 5 V DC (between input terminal and COM)/ ≥ 1 mA (for power input 24 V DC)
≤ 3 V DC (between input terminal and COM)/ ≥ 1 mA (for power input 12 V DC)
Input current:
≤ 5.5 mA (at 24 V DC) (for power input 24 V DC)
≤ 5.5 mA (at 12 V DC) (for power input 12 V DC)
Input resistance:
approx. 4.4 kΩ  (for power input 24 V DC)
approx. 2.2 kΩ  (for power input 12 V DC)
Read rate: ≤ 5 msec.
ON delay time: ≤ 2.0 msec.
OFF delay time: ≤ 2.0 msec.
Contact input status indicator LED: lights up when the contact is ON (Dl1, Dl2).

OUTPUT SPECIFICATIONS
Output setting: Configurator software
TRANSISTOR OUTPUT
Number of output: 2 points
Common: Negative common (NPN)
Rated load voltage:
24 V DC: ±10 %, ripple 5 %p-p max. (for power input 24 V DC) 
12 V DC: ±10 %, ripple 5 %p-p max. (for power input 12 V DC) 
Rated output current: 0.1 A
Residual voltage: ≤ 1.2 V
Leakage current: ≤ 0.1 mA
ON delay time: ≤ 2.0 msec.
OFF delay time: ≤ 2.0 msec.
Overload current protection function: Limits the current value when overcurrent is detected.
Overheat protection function: Turns OFF the outputs when overheat is detected. (When driving an inductive load, connect a diode in parallel with the load.)
Transistor output status indicator LED: lights up when the contact is ON (DO1, DO2).

INSTALLATION
Current consumption:
24 V DC: ≤ 70 mA (contact I/O load charge is not included)
12 V DC:  ≤ 130mA (contact I/O load charge is not included)
Operating temperature: -10 to +55°C (14 to 131°F)
Storage temperature: -10 to +55°C (14 to +131°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 FE1 to contact input to transistor output to antenna connector)

STANDARDS & APPROVALS
Module conforming to FCC Part 15 incorporated

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

EXTERNAL VIEW

TERMINAL ASSIGNMENTS

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

I/O DATA DESCRIPTIONS

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.