R3-DS4A 4 – 20 mA INPUT MODULE

Detail

·Some details are not shown. Please refer to specification sheets for all information.

R3-DS4A

Remote I/O R3 Series

4 – 20 mA INPUT MODULE
(2-wire transmitter exc. supply with switch; 4 points, isolated)

MODEL: R3-DS4A[1][2]

ORDERING INFORMATION
• Code number: R3-DS4A[1][2]
Specify a code from below for each of [1] and [2].
  (e.g. R3-DS4AW/Q)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

NO. OF CHANNELS
4A: 4 channels, (with excitation supply switches)

[1] COMMUNICATION MODE
S: Single
W: Dual

[2] OPTIONS
blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-8368)

GENERAL SPECIFICATIONS
Connection
 Internal bus: Via the Installation Base (model: R3-BSx)
 Input: M3 separable screw terminal (torque 0.5 N·m)
 Internal power: Via the Installation Base (model: R3-BSx)
Screw terminal: Nickel-plated steel
Isolation: Input 1 to input 2 to input 3 to input 4 to internal bus or internal power
Excitation supply switches: DIP switches (front)
Conversion rate: Selectable with the side DIP SW
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: Bi-color (red/green) LED;
Red with input circuit abnormality (AD converter response failure);
Green in normal operating conditions.

SUPPLY OUTPUT
(across the terminals 1 – 2, 3 – 4, 6 – 7 and 8 – 9)
Output voltage: 24 – 28 V DC with no load
16 V DC min. at 22 mA
Current rating: ≤ 22 mA DC
∙Shortcircuit Protection
Current limited: Approx. 30 mA
Protected time duration: No limit

INPUT SPECIFICATIONS
■ DC Current: 4 – 20 mA DC
Input resistance: 250 Ω resistor incorporated

INSTALLATION
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: Installation Base (model: R3-BSx)
Weight: 250 g (0.55 lb)

PERFORMANCE
Conversion accuracy: Refer to the table at the end of this section.
Conversion rate: 80 / 40 / 20 / 10 msec. selectable
(factory default: 80 msec.)
Data range: 0 – 10000
Data allocation: 4
Current consumption: 210 mA
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.2 sec. (0 – 90 %)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (input 1 to input 2 to input 3 to input 4 to internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.