R3 Series - 900 MHz Band Wireless Remote I/O

R3-NMW1F

Remote I/O R3 Series

MODBUS INTERFACE MODULE
(Modbus Wired Communication, Modbus-RTU Transparent 900 MHz Band Devices Use)

MODEL: R3–NMW1F-[1][2]

ORDERING INFORMATION
• Code number: R3-NMW1F-[1][2]
Specify a code from below for each [1] and [2].
  (e.g. R3-NMW1F-N/E/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] POWER INPUT
N: No power supply
AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
 47 – 66 Hz)*
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) *
* Not selectable for use with independent power modules or network modules with the internal power input options.

[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
• Equipped with 900 MHz band wireless device
• Uses Modbus-RTU protocol wired com. as main network, and monitors I/O signal with wireless
• Available to use wireless device as main network
• Wireless deive incorporates a module conforming to FCC part 15, and can be used within the United States only.
• Modbus-RTU gateway function available, outputs data received with wireless to wired network

RELATED PRODUCTS
For the details of the wireless device related products, please refer to M-system website.
• PC configurator software (model: R3CON)
Downloadable at M-System’s web site.
A dedicated cable is required to connect the module to the PC.  Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
Maintenance software
・ Maintenance console: MH920 Console for 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)

PACKAGE INCLUDES...
• Terminating resistor (110 Ω, 0.25 W)

GENERAL SPECIFICATIONS
Connection
 Wireless network: SMA coaxial connector
 Wired network: Tension clamp terminal (Front Twin connection)
  Applicable wire size: 0.2 - 1.5 mm², stripped length: 10 mm
 Internal bus: Via the Installation Base (model: R3-BSx)
 Internal power: Via the Installation Base (model: R3-BSx)
  Power input, RUN contact output: M3 separable screw terminal (torque 0.5 N·m)
Maintenance: Mini USB type B female connector
Screw terminal: Nickel-plated steel
Isolation: Modbus to internal bus or internal power or antenna connector to power supply to RUN contact output to FE1
■Configuration
Slot assignment: Set with the side DIP switch
Main/Sub setting: Set with the side DIP switch
Input error data: Input value setting, hold or clear, at input module error with side DIP SW
Operation mode: Output switchable from host in duplex communication with the side DIP SW
LED indication: Set with the side DIP
■Indicator LEDs
RUN indicator: Bi-color (red/green) LED
Green ON in normal communication; red ON when receiving data (Function selected with DIP SW)
ERR indicator: Bi-color (red/green) LED
Green ON or blinks at communication error (ON when abnormal data receiving or communication setting error (approx. 0.1 sec.))
Red ON at transmitting data (Function selected with DIP SW)
■ RUN CONTACT OUTPUT
RUN contact: ON when RUN indicator is green (Modbus in normal communication)
Rated load: 250 V AC @ 0.5 A (cos ø = 1)
30 V DC @ 0.5 A (resistive load)
Maximum switching voltage: 250 V AC or 30 V DC
Maximum switching power: 125 VA AC or 15 W DC
Minimum load: 1 V DC @ 1 mA
Mechanical life: 2 × 10⁷ cycles (300 cycles/min.)
When driving an inductive load, external contact protection and noise quenching recommended.

MODBUS COMMUNICATION
Standard: Conforms to TIA/EIA-485-A
 Transmission distance: 500 meters max.
 Transmission media: Shielded twisted-pair cable
(CPEV-S 0.9 dia.)
Max. no. of connections at once: 31 (Gateway funcion in use)
Transmission configuration: Multidrop (Gateway funcion in use)

WIRELESS SPECIFICATIONS
Communication Standard: IEEE802.15.4g
Frequency: 900 MHz band (902 - 928 MHz)
Max. Tx power: 20 mW
Bandwidth: 400 kHz
Modulation: GFSK
Baud rate: Max. 100 kbps
Channel: 1 - 43ch
Security: 128 bit AES
Indicator LEDs: 920Run, 920Link
Protocol: Modbus-RTU
Communication module: Router module incorporated (OKI)
Antenna
• Sleeve antenna (model:MH920-NODE-ANT(S))
　 Indoor
 　Non-waterproof
 　Nondirectional
 　Gain: 3dBi max.
• Rooftop antenna (model:MH920-NODE-ANT(R))
　 Outdoor/indoor
　 Cable length: 2.5 m
　 Waterproof performance: IPx6 (except connector)
　 Nondirectional
　 Gain: 3dBi max.

INSTALLATION
Power consumption
•AC:
Approx. 15 VA at 100 V AC (approx. 20 VA when 400 mA for 10 minutes)
Approx. 20 VA at 200 V AC (approx. 26 VA when 400 mA for 10 minutes)
Approx. 21.5 VA at 240 V AC (approx. 28 VA when 400 mA for 10 minutes)
•DC: Approx. 8.5 W (24 V DC)
(400 mA/ approx. 13.0 W  for 10 minutes (24 V DC))
Current consumption (no power supply): ≤ 100 mA
Output current (power supply): 250 mA continuous at 20 V DC; 400 mA for 10 minutes
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: Installation Base (model: R3-BSx)
Weight
  Unit (with power supply): Approx. 240 g (0.53 lb)
  Unit (without power supply): Approx. 190 g (0.42 lb)
  Sleeve antenna: 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 (Modbus to internal bus or internal power or antenna connector to power input to RUN contact output to FE1)

STANDARDS & APPROVALS
Module conforming to FCC Part 15 incorporated

CONFIGURATOR SOFTWARE SETTING
With configurator software, settings shown below are available.
Refer to the software manual of R3CON for detailed operation.

EXTERNAL VIEW

COMMUNICATION CABLE CONNECTIONS

TERMINAL ASSIGNMENTS

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

TRANSMISSION DATA DESCRIPTIONS

MODULE STATUS, ERROR STATUS, DATA ERROR STATUS

I/O DATA DESCRIPTIONS
The data allocations for typical I/O modules are shown below.
Refer to the manual for each module for detailed data allocations.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Caution: FE1 terminal is NOT a protective conductor terminal.

SYSTEM CONFIGURATION EXAMPLES