MODEL: R7FN-RS4

R7FN-RS4 SPECIFICATIONS

ES-7808-C Rev.0 Page 2/6

http://www.m-system.co.jp/

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

RTD

BURNOUT INDICATION (°C) CONFORMANCE

Downscale

Upscale

RANGE (°C)

Pt 100 (JIS ’97, IEC)

-240

+900

-200 to +850

Pt 100 (JIS ’89)

-240

+900

-200 to +660

JPt 100 (JIS ’89)

-236

+560

-200 to +510

Pt 50 Ω (JIS ’81)

-236

+700

-200 to +649

Ni 100

-100

+252

-80 to +250

Cu 10 @ 25°C

-212

+312

-50 to +250

Cu 50

-100

+200

-50 to +150

RTD

BURNOUT INDICATION (°F) CONFORMANCE

Downscale

Upscale

RANGE (°F)

Pt 100 (JIS ’97, IEC)

-400

+1652

-328 to +1562

Pt 100 (JIS ’89)

-400

+1652

-328 to +1220

JPt 100 (JIS ’89)

-393

+1040

-328 to +950

Pt 50 Ω (JIS ’81)

-393

+1292

-328 to +1200

Ni 100

-148

+486

-112 to +482

Cu 10 @ 25°C

-350

+594

-58 to +482

Cu 50

-148

+392

-58 to +302

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)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

RoHS Directive

EN 50581