ES-8290 Rev.3
R3-DA8C
Remote I/O R3 Series
DISCRETE INPUT MODULE
(Di 8 points (3-wire), with external excitation supply)
MODEL: R3–DA8C[1][2]
ORDERING INFORMATION
• Code number: R3-DA8C[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3-DA8CW/CE/Q)
• Specify the specification for option code /Q
(e.g. /C01)
NO. OF CHANNELS
8
: 8
INPUT
C
: 3-wire input, with external excitation supply
[1] COMMUNICATION MODE
S
: Single
W
: Dual
[2] OPTIONS (multiple selections)
Standards & Approvals
blank
: Without CE
/CE
: CE marking
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
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 to internal bus or internal power
Excitation monitor
: Selectable with side DIP switch; ON/OFF setting available
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 excitation abnormality;
Green in normal operating conditions.
Input status indicator
:
1 to 8
: Red LED; Turns on with the input supplied.
9 to 16
: Unused
Read rate
: 1 / 5 / 10 / 20 / 50 / 70 / 100 / 200 msec. selectable with DIP SW
INPUT SPECIFICATIONS
Number of input
: 8 points
Maximum inputs applicable at once
: No limit (at 24 V DC)
Isolation
: Optical isolator
Input resistance
: Approx. 4.4 kΩ
Common
: Positive or negative common (NPN/PNP) per 8 points (3-wire)
Rated input voltage
: 24 V DC +10/-15 % (ripple 5 %p-p max.)
Rated input current
: Approx. 5 mA (24 V DC)
ON voltage/current
: ≥ 11 V, ≥ 2.5 mA
OFF voltage/current
: ≤ 6 V, ≤ 1.3 mA
External excitation current
: ≤ 1 A per common
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
: 170 g (0.37 lb)
PERFORMANCE
Data allocation
: 1
Current consumption
: 40 mA
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @ 1 minute
(input to internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
FUNCTIONS
•
Excitation Monitor ON
The input is held at the last status when the loss of excitation is detected. The excitation must be connected across the terminal 9 (19) and 10 (20).
•
Excitation Monitor OFF
All input signals are turned off when the loss of excitation is detected.
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM