MODEL: R3-PA2
Remote I/O R3 Series
GENERAL SPECIFICATIONS
Connection
Internal bus: Via the Installation Base (model: R3-BSx)
Input, Output: M3 separable screw terminal
(torque 0.5 N·m)
ENCODER INPUT MODULE
(RS-422 input; alarm output)
27.5 [1.08]
Internal power: Via the Installation Base (model: R3-BSx)
Screw terminal: Nickel-plated steel
Isolation: Input 1 to input 2 to internal bus or internal power
Alarm output: Two outputs per channel available; setpoints
are programmable for the speed or the position data by
using the R3CON PC Configurator software.
DIP switch settings:
130
[5.12]
109
[4.29]
•Input range
•Count Mode
mm [inch]
•Alarm Contact Form
•Start Count
MODEL: R3-PA2[1][2]
(Refer to the instruction manual)
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator: Green LED turns on in normal operating
conditions.
ORDERING INFORMATION
• Code number: R3-PA2[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3-PA2W/CE/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)
Low-end cutout: 0.1 %
Reset input: Position data reset to ‘0’ when the external
contact is closed. (Reset count can be changed using the
R3CON PC Configurator software.)
NO. OF CHANNELS
2: 2
INPUT SPECIFICATIONS
[1] COMMUNICATION MODE
S: Single
Input: RS-422 line driver, two-phase pulse (Up/down count is
not performed correctly by either phase A or phase B input)
■ENCODER PULSE INPUT
W: Dual
Input range: 0 – 100 kHz, 0 – 10 kHz, 0 – 1 kHz, 0 – 100 Hz,
0 – 10 Hz, 0 – 1 Hz, 0 – 0.1 Hz
[2] OPTIONS (multiple selections)
Standards & Approvals
blank: Without CE
Minimum pulse width requirement: 5 μsec. for both ON and
OFF
■ Reset Input (contact input)
/CE: CE marking
Number of input: 1 contact per input (2 in total)
Isolation: Optical isolator + transformer (internal excitation
supply)
Other Options
blank: none
/Q: Option other than the above (specify the specification)
Input resistance: Approx. 5.9 kΩ
Common: Negative (2 terminals)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
Sensing voltage: 13 V DC (max. 24 V with no load)
ON current/voltage: ≥ 1.5 mA (≥ 9V)
OFF current/voltage: ≤ 0.75 mA (≤ 4.5V)
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-8386)
R3-PA2 SPECIFICATIONS
ES-8386 Rev.10 Page 1/5
https://www.m-system.co.jp/