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

R9WTU-ED

Remote I/O R9 Series

DISCRETE I/O EXTENSION UNIT
(Di (internal power), Do (photo MOSFET relay), pulse totalizer)

Functions & Features
• Extension unit for Multi Power Monitoring Unit (model: R9xWTU)
• Photo MOSFET relay output

MODEL: R9WTU-ED16[1]

ORDERING INFORMATION
• Code number: R9WTU-ED16[1]
Specify a code from below for [1].
  (e.g. R9WTU-ED16/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

NO. OF CHANNELS
16: 16 points (Di 8, Do 8) 

[1] 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
/C03: Rubber coating

RELATED PRODUCTS
•Multi Power Monitoring Unit for CC-Link (model: R9CWTU)
•Multi Power Monitoring Unit for LonWorks (model: R9LWTU)
•Multi Power Monitoring Unit for Modbus (model: R9MWTU)
•Multi Power Monitoring Unit for Modbus/TCP (model: R9EWTU)

GENERAL SPECIFICATIONS
Construction: Stand-alone
Degree of protection: IP20
Connection: M3 screw terminals (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
   Recommended manufacturer: Japan Solderless Terminal MFG.Co.Ltd, Nichifu Co.,ltd 
  Applicable wire size: 0.25 to 1.65 mm2 (AWG 22 to 16)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)
Isolation: R9xWTU (input or network or auxiliary power) to input to output to between outputs
Input status indicator: Red LED; turns on with the inputs ON.
Output status indicator: Red LED; turns on with the outputs ON.

INPUT SPECIFICATIONS
Common: Negative common
Maximum frequency: 50 Hz
Minimum pulse width: 10 msec.
Max. counter value: 0 - 999 999 999
Count at overflow: Reset and restart at ‘0.’
Detecting voltage/current: 5 V DC / 5 mA approx.
ON/OFF levels: ≤ 5 kΩ / ≤ 2 V for ON;
≥ 100 kΩ / 4 V for OFF
Operation mode: Discrete and pulse counter

OUTPUT SPECIFICATIONS
Output: Photo MOSFET relay
Rating: Peack 350 V AC/DC @ 80 mA
ON resistance: ≤ 50 Ω
Power dissipation: 320 mW
Leakage current at OFF: ≤ 10 μA

INSTALLATION
Power consumption
AC: ≤ 2 VA
DC: ≤ 1.5 W
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: Surface or DIN rail
Weight: 300 g (0.66 lb)

PERFORMANCE
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
 2000 V AC @ 1 minute (R9xWTU (input or network or auxiliary power) to input)
 1500 V AC @ 1 minute (R9xWTU (input or network or auxiliary power) to output)
 1500 V AC @ 1 minute (input to output)
 1500 V AC @ 1 minute (between outputs)

EXTERNAL VIEW

TERMINAL ASSIGNMENTS

EXTERNAL DIMENSIONS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.