ES-7807-C Rev.0

R7E-RS4

Remote I/O R7 Series

ETHERNET I/O MODULE

(RTD input, 4 points, isolated, Modbus/TCP use)
Functions & Features
• 4 points RTD input module for Modbus/TCP (Ethernet)
• Extension module can be connected
• Input sensor type can be selected with the front DIP switches for all channels.
• Individual channels, zero adjustment, span adjustment, scaling, and temperature unit can be set with the configurator software (model: R7CON)
 

MODEL:R7E–RS4-R[1]

ORDERING INFORMATION

• Code number: R7E-RS4-R[1]
Specify a code from below for [1].
  (e.g. R7E-RS4-R/Q)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

I/O TYPE

RS4: RTD input, 4 points

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[1] OPTIONS

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

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-7807-C)

RELATED PRODUCTS

• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R7CON)
Downloadable at our web site.
• Discrete input extension module (model: R7E-EAx)
• Discrete output extension module (model: R7E-ECx)
Note: PC Configurator Software is required to set IP address.

GENERAL SPECIFICATIONS

Connection
  Ethernet: RJ-45 connector
  Power, input: M3 separable screw terminal
  (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
   Recommended manufacturer: Japan Solderless Terminal MFG. Co., Ltd., Nichifu Co., Ltd.
  Applicable wire size: 0.25 to 1.65 mm2 (AWG 22 to 16)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (gray)
Isolation: Input 0 to input 1 to input 2 to input 3 to Ethernet to power to FG
Zero adjustments: Configurable via R7CON
Span adjustments: Configurable via R7CON
Extension: No extension (*), Discrete input 8 or 16 points, Discrete output 8 or 16 points
Selectable with the front DIP SW
(*) Factory default setting
Conversion rate: Selectable with the front DIP SW
Burnout setting: Selectable between upscale (*) and downscale with the front DIP switch
(*) Factory default setting
Linearization: Standard
RTD Setting: Configurable via the front DIP switch or R7CON
Status indicator LEDs: PWR, RUN
Configurator connection: 2.5 dia. miniature jack
■Recommended solderless terminal

ETHERNET COMMUNICATION

Physical layer standard: IEEE 802.3u
Data link layer: 10BASE-T / 100BASE-TX
Baud rate: 10 / 100 Mbps, Auto Negotiation
Protocol: Modbus/TCP
Data: RTU (binary)
Max. number of socket connections: Two (2)
Transmission media: 10BASE-T (STP cable, category 5)
100BASE-TX (STP cable, category 5e)
Max. segment length: 100 meters
IP address: Can be set and changed with PC Configurator Software (model: R7CON) (default: 192.168.0.1)
Subnet Mask: Can be set and changed with PC Configurator Software (model: R7CON) (default: 255.255.255.0)
Default Gateway: Can be set and changed with PC Configurator Software (model: R7CON) (Ver.2.41 or later) (default: 192.168.0.100)
Port No.: 502
DHCP available (Ver.3.00 or later)
Ethernet indicator LEDs: LINK, LINK100, COL

INPUT SPECIFICATIONS

Input resistance: ≥ 1 MΩ
Maximum leadwire resistance: 100 Ω per wire
Sensing current: ≤ 1 mA

INSTALLATION

Current consumption
DC: Approx. 97 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Storage temperature: -20 to +65°C (-4 to +149°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail (35 mm rail)
Weight: 200 g (0.44 lb)

PERFORMANCE

Conversion accuracy: ±1°C (±1.8°F)
(±3°C [±5.4°F] for Cu 10 @ 25°C)
Conversion rate: 250 msec. (*) or 1 sec. selectable
(*) Factory default setting
Converted data range:
• Engineering unit value (°C, K) × 10 (integer)
• Engineering unit value (°F)
Temperature coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span except ±0.150 %/°C (±0.08 %/°F) for Cu 10 @ 25°C
Response time: Conversion rate × 2 + 50 msec. (0 – 90 %)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (input 0 to input 1 to input 2 to input 3 to Ethernet to power to FG)

STANDARDS & APPROVALS

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

EXTERNAL VIEW

TERMINAL ASSIGNMENTS

■ INPUT TERMINAL ASSIGNMENT

MODBUS FUNCTION CODES & SUPPORTED CODES

MODBUS I/O ASSIGNMENT

DATA CONVERSION

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.