ES-7808-U Rev.2

R7FN-DC8C

Remote I/O R7 Series

FLEX NETWORK I/O MODULE

(8 points relay output)
Functions & Features
• 8 points relay output module for FLEX NETWORK
 
FLEX NETWORK is registered trademark of Digital Electronics Corporation in Japan.

MODEL:R7FN–DC8C-R[1]

ORDERING INFORMATION

• Code number: R7FN-DC8C-R[1]
Specify a code from below for [1].
  (e.g. R7FN-DC8C-R/Q)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

I/O TYPE

DC8C: Relay contact output, 8 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-DC16)

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: Output to FLEX NETWORK to power to FG
Output at the loss of communication:
Output hold (*), Output clear
Selectable with the front DIP SW
(*) factory default setting
Status indicator LED: PWR, RUN
(Refer to the instruction manual)
Discrete output status indicator LED: LED turns on with output ON
■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: 1
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

OUTPUT SPECIFICATIONS

Common: 1 common per 4 points (4 points)
Maximum load current: 1.0 A per point
Common current: Max. 4 A (4 terminals)
Maximum outputs applicable at once: No limit (at 24 V DC)
Output supply voltage/current: 24 V DC ±10 %/ ≥ 60 mA
Rated load: 250 V AC @ 2A, 30 V DC @ 2A
(Use as Measurement Category I or less than 125 V AC to conform with EU Directive)
Maximum switching voltage: 250 V AC, 30 V DC
Maximum switching power: 500 VA (AC), 60 W (DC)
Minimum applicable load: 24 V DC @ 5 mA
Mechanical life: 2 × 107 cycles (300 cycles per min.)
When driving an inductive load, external contact protection and noise quenching recommended.
ON delay time: ≤ 10 msec.
OFF delay time: ≤ 10 msec.

INSTALLATION

Current consumption
DC: Applox 50 mA
Relay driving current: Applox. 60 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

Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (output to FLEX NETWORK to power to FG)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive 
  EN 61010-1, EN 61010-2-201
  Measurement Category II (output)
  Pollution Degree 2
  Output to power: Basic insulation (150 V)
RoHS Directive

EXTERNAL VIEW

CONNECTION DIAGRAMS

TERMINAL ASSIGNMENTS

■OUTPUT TERMINAL ASSIGNMENT

I/O DATA DESCRIPTIONS

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.