ES-7808-C Rev.2

R7FN-RS4

Remote I/O R7 Series

FLEX NETWORK I/O MODULE

(RTD input, 4 points, isolated)
Functions & Features
• 4 points RTD input module for FLEX NETWORK
• Input sensor type can be selected with the front DIP switches for all channels.
• Easy parameter setting of individual channels with the configurator software

FLEX NETWORK is registered trademark of Digital Electronics Corporation in Japan.

MODEL: R7FN–RS4-R[1]

ORDERING INFORMATION

• Code number: R7FN-RS4-R[1]
Specify a code from below for [1].
(e.g. R7FN-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: Options other than the above (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-7808-RS4)

RELATED PRODUCTS

• PC configurator software (model: R7CON)
The configurator software is downloadable at our web site.
A dedicated cable is required to connect the module to the PC. Please refer to the users manual for the PC configurator for applicable cable types.
• Screen editor software (model: GP-Pro EX)
Screen editor software GP-Pro EX (Ver.2.70 or higher) is available.
For versions between 2.60 and 2.70, the driver must be installed. The driver is downloadable at Digital Electronics Corporation's web site. http://www.proface.co.jp/

GENERAL SPECIFICATIONS

Connection: M3 separable screw terminal (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
• Communication cable
Recommended manufacture: Japan Solderless Terminal MFG.Co.Ltd
Applicable wire size: 0.2 to 0.5 mm² (AWG 26 to 22)
• Others
Recommended manufacture: 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 FLEX NETWORK to power to FG
Zero adjustments: Configurable via R7CON
Span adjustments: Configurable via R7CON
Conversion rate: Configurable via R7CON
Burnout setting: Selectable between upscale (*) and downscale with the front DIP switch
(*) Factory default setting
Linearization: Standard
RTD Setting: Selectable with front DIP SW or PC programming.
Status indicator LED: PWR, RUN
(Refer to the instruction manual)
■Recommended solderless terminal

FLEX NETWORK COMMUNICATION

Communication configuration: 1: N
Connection method: Multi-drop Connection
Communication method: Cyclic Time Division, half-duplex
Communication I/F: Differential, pulse transfer isolation
Error Check: Format, bit, CRC-12 verification
Max. Number of Nodes: 63 (1008 I/O points)
Required node: 4
Network cable: Pro-face’s following cable
FN-CABLE2010-31-MS (10 m)
FN-CABLE2050-31-MS (50 m)
FN-CABLE2200-31-MS (200 m)
Transmission distance: 12 Mbps: 100 meters (328 ft)(*)
6 Mbps: 200 meters (656 ft)
(*) Factory default setting
Station address: Rotary switch
(Refer to the instruction manual)
Terminating resistor: Built-in

INPUT SPECIFICATIONS

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

INSTALLATION

Current consumption
•DC: Approx. 90 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°F)
(±3°C [±5.4°F] for Cu 10)
Conversion rate: 250 msec. (*) or 500 msec. selectable
(*) Factory default setting
Converted data range:
• Engineering unit value (°C, K) × 10 (integer)
• Engineering unit value (°F)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span
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 inpu 2 to input 3 to FLEX NETWORK to power to FG)