ES-9739 Rev.5

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 of [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 cable (model: MCN-CON or COP-US)
• PC configurator software (model: R8CFG)
Downloadable at our web site.

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 msec.
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
Input data update period: 10 msec.
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