MODEL: R8-PA4

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

R8-PA4 SPECIFICATIONS

ES-9739 Rev.2 Page 1/4

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

12 (.47)

115 (4.53)

59 (2.32)

mm (inch)

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 M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

RELATED PRODUCTS

• PC configurator software (model: R8CFG)

Downloadable at M-System’s 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

PWB connector XN2D-1474-S002 (Omron)

Recommended cable connector XN2A-1470 (Omron)

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)