ES-9739 Rev.4

R8-PA4

Remote I/O R8 Series

TOTALIZED PULSE INPUT MODULE, 4 points

(NPN / PNP / Voltage pulse input)
Functions & Features
• Space-saving remote I/O module of 4 points input pulse counter

MODEL: R8–PA4[1][2]

ORDERING INFORMATION

• Code number: R8-PA4-[1][2]
Specify a code from below for each [1] and [2].
 (e.g. R8-PA4A/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] INPUT

A: NPN input
B: PNP input
C: Voltage pulse iput

[2] OPTIONS

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

SPECIFICATIONS OF OPTION: Q

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

RELATED PRODUCTS

• PC configurator software (model: R8CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC.  Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

GENERAL SPECIFICATIONS

Connection
 
Input: 4-pin e-CON connector
  Unit side connector XN2D-1474-S002 (Omron)
  Recommended cable side connector XN2A-1470 (Omron)
  Applicable wire size: 0.08 - 0.5 mm2 (AWG28 - 20)
  Outer sheath diameter: max. 1.5 dia
  (The cable connector is not included in the package.
   Refer to the specifications of the product.)
 Excitation supply, internal bus:
  Connected to internal bus connector
 Internal power: Supplied from internal bus connector
Isolation: Input or exc. supply to internal bus or internal power
Module address: With rotary switch
Terminating resistor: Built-in (DIP Switch, default: disable)
Status indicator: Bi-color (red/green) LED; Refer to the instruction manual.
Input status indicator: Green LED; Refer to the instruction manual.

INPUT SPECIFICATIONS

Common: Positive or negative common (NPN/PNP) per 4 points
Number of inputs: 4
I/O status indicator: LED turns on with closed contact.
NPN/PNP input (internal supply with excitation supply input from network power module)
  Rated load voltage: 24 V DC ±10 %; ripple 5 %p-p max.
  ON voltage / ON resistance: ≤ 4 V (input terminal to COM) / ≤ 900 Ω
  OFF voltage / OFF resistance: ≥ 16 V (input terminal to COM) / ≥ 10 kΩ
Voltage pulse input
  Max. input voltage amplitude
: 24 V DC + ≤ 10 %
  ON voltage / ON current: ≥ 16 V DC (input terminal to COM) / ≥ 3.7 mA
  OFF voltage / OFF current: ≤ 5 V DC (input terminal to COM) / ≤ 1 mA
  Input current: ≤ 5.5 mA / point (@24 V DC)
  Input resistance: Approx. 4.4 kΩ
ON delay: ≤ 2.0 msec.
OFF delay: ≤ 2.0 msec.
Max. Frequency: 100 Hz
Minimum ON/OFF pulse requirements: 5 ms
Accumulated pulse count: 0 - 4 294 967 295
Max. accumulable pulse: 1 - 4,294,967,295 (factory setting: 4,294,967,295)
Overflow reset value
: 0 or 1 (factory setting: 0)

INSTALLATION

Max. current consumption: 80 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail
Weight: 60 g (2.12 oz)

PERFORMANCE

Data allocation: 2
Module addresses in use: 4
Power output (input connector): Rated current 0.1 A DC per channel (rated current 3 A for internal fuse (slow blow fuse i2t (A2sec.) max. 0.31); Total: 0.4 A DC
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input or exc. supply to internal bus or internal power to ground)

STANDARDS & APPROVALS

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

EXTERNAL VIEW

OPERATING MODE SETTING

(*) Factory setting

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM