ES-7756 Rev.0

R7G4FM-DA16

Remote I/O R7G4F Series

MODBUS I/O MODULE

(NPN/PNP discrete input, 16 points, screw terminal block, Modbus use)
Functions & Features
• 16 points NPN/PNP discrete input module
• Totalized pulse input
 

MODEL: R7G4FM-DA16-N-R[1]

ORDERING INFORMATION

• Code number: R7G4FM-DA16-N-R[1]
Specify a code from below for [1].
  (e.g. R7G4FM-DA16-N-R/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

TYPE

DA16: NPN/PNP discrete input, 16 points

TERMINAL BLOCK

N: Screw terminal block for power supply
   Tension clamp terminal block for communication
   Screw terminal block for input

POWER INPUT

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

[1] OPTIONS

blank: none
/Q: Options other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating

PACKAGE INCLUDES...

• Terminating resistor (110 Ω, 0.25 W)

GENERAL SPECIFICATIONS

Connection
  Modbus:
Tension clamp terminal block (Front Twin connection)
  Applicable wire size: 0.2 - 1.5 mm2
  Stripped length: 10 mm 
  Power supply, 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 to Modbus to FE1 to power
Status indicator LEDs: PWR, RUN, ERR, SD, RD (Refer to the instruction manual)
Discrete input status indicator LEDs: Green LED turns on with input ON
■Recommended solderless terminal

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.)
Communication setting: Use the R7CFG
· Parity: None, even, odd
· Baud rate: 4800, 9600, 19.2k, 38.4k (bps)
· Stop bit length: 1-bit / 2-bit
Node address: 1 - 99 (with rotary switch)

INPUT SPECIFICATIONS (WITH TOTALIZED PULSE INPUT)

Common: Positive or negative common (NPN/PNP) per 16 points
Maximum inputs applicable at once: No limit (at 24 V DC)
Rated input voltage: 24 V DC ±10 %; ripple 5 %p-p max.
ON voltage / current: ≥ 15 V DC (input – COM) / ≥ 3.5 mA
OFF voltage / current: ≤ 5 V DC (input – COM) / ≤ 1 mA
Input current: ≤ 5.5 mA per point at 24 V DC
Input resistance: Approx. 4.4 kΩ
ON delay: ≤ 0.2 msec.
OFF delay: ≤ 0.5 msec.
Maximum input frequency: 100 Hz
ON / OFF minimum pulse width: 5 msec.
No. of totalized pulse: 0 - 4,294,967,295
Maximum totalized pulse: 1 - 4,294,967,295
Overflow reset value: 0 or 1

INSTALLATION

Current consumption
DC at 24 V DC: ≤ 50 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: Surface or DIN rail (35 mm rail)
Weight: 190 g (0.42 lb)

PERFORMANCE

Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input to Modbus to FE1 to power)

STANDARDS & APPROVALS

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

CONFIGURATOR SOFTWARE SETTING

EXTERNAL VIEW

COMMUNICATION CABLE CONNECTIONS

TERMINAL ASSIGNMENTS

■ INPUT TERMINAL ASSIGNMENT
■ POWER SUPPLY TERMINAL ASSIGNMENT

MODBUS FUNCTION CODES & SUPPORTED CODES

Modbus function codes are shown below.

MODBUS I/O ASSIGNMENT

I/O DATA DESCRIPTIONS

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

MOUNTING REQUIREMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FE1 terminal to ground.
Caution: FE1 terminal is NOT a protective conductor terminal.