R6-NM2 MODBUS INTERFACE MODULE

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Remote I/O R6 Series

MODBUS INTERFACE MODULE

(for 64-point analog signals)
Functions & Features
• Free combination of analog and discrete I/O
• Direct sensor inputs
• Space-saving
• Low power consumption
Typical Applications
• Remote I/O for DCS and PLC

MODEL: R6-NM2[1]

ORDERING INFORMATION

• Code number: R6-NM2[1]
Specify a code from below for [1].
(e.g. R6-NM2/Q)
• Specify the specification for option code /Q
(e.g. /C01)

[1] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating

PACKAGE INCLUDES...

• Terminating resistor (110 Ω, 0.25 W)

GENERAL SPECIFICATIONS

Connection
Network: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm², stripped length
7 mm)
Internal bus: Via the Installation Base (model: R6x-BS)
Internal power: Via the Installation Base (model: R6x-BS)
Max. number of I/O modules: 32 (analog 64 points)
Isolation: Modbus to internal bus or internal power
RUN indicator: Bi-color (green/red) LED; Green ON in normal communication; Red ON when receiving data (Function selected with DIP SW)
ERR indicator: Bi-color (green/red) LED;
Green ON or blinking at communication error; Red ON at transmitting data (Function selected with DIP SW)
Data allocation: Mode 1 or 2 set with the side DIP switch

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.)
Transmission setting: DIP switch
Data: RTU (Binary) or ASCII
Parity: None, even or odd
Baud rate: 4800, 9600, 19.2 k, 38.4 k (bps)
Node address: DIP switch; 01 – F7

INSTALLATION

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: R6x-BS)
Weight: 100 g (0.22 lb)

PERFORMANCE

Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (Modbus to internal bus or internal power)

STANDARDS & APPROVALS

EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive

EXTERNAL VIEW

COMMUNICATION CABLE CONNECTIONS

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

The DIP SW located at the side of the module switches the unit’s data allocation mode.
In the Data Allocation Mode 1, one (1) word is assigned per module. The second channel of analog I/O modules cannot be used.
In the Data Allocation Mode 2, two (2) words are assigned per module regardless of whether the second word area is required or not.
For discrete I/O, 16-channel area is automatically assigned to each module. With a 4-channel module, the bits assigned to ch.
5 through 16 remain “0.”