ES-7805-C Rev.0

R7ML-RS4

Remote I/O R7 Series

MECHATROLINK I/O MODULE

(RTD input, 4 points, isolated, MECHATROLINK-I / -II use)
Functions & Features
• 4 points RTD input module for MECHATROLINK -I/ -II
• Extension module can be connected
• Input sensor type can be selected with the front DIP switches for all channels.
• Individual channels, zero adjustment, span adjustment, scaling, and temperature unit can be set with the configurator software (model: R7CON)

MODEL:R7ML–RS4-R[1]

ORDERING INFORMATION

• Code number: R7ML-RS4-R[1]
Specify a code from below for [1].
(e.g. R7ML-RS4-R/Q)
• Specify the specification for option code /Q
(e.g. /C01)

I/O TYPE

RS4: RTD input, 4 points

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[1] OPTIONS

blank: none
/Q: With options (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

RELATED PRODUCTS

• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R7CON)
Downloadable at our web site.
• Discrete input extension module (model: R7ML-EAx)
• Discrete output extension module (model: R7ML-ECx)

GENERAL SPECIFICATIONS

Connection
MECHATROLINK: MECHATROLINK-I/-II connector
Power input, input: M3 separable screw terminal (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 (gray)
Isolation: Input 0 to input 1 to input 2 to input 3 to MECHATROLINK or FG to power
Zero adjustments: Configurable via R7CON
Span adjustments: Configurable via R7CON
Extension: No extension (*), Discrete input 8 or 16 points, Discrete output 8 or 16 points
Selectable with the front DIP SW
(*) Factory default setting
Conversion rate: Selectable with the front DIP SW
Burnout setting: Selectable between upscale (*) and downscale with the front DIP switch
(*) Factory default setting
Linearization: Standard
RTD Setting: Configurable via the front DIP switch or R7CON
Status indicator LEDs: PWR, RUN, ERR, SD, RD
(Refer to the instruction manual)
Configurator connection: 2.5 dia. miniature jack
■Recommended solderless terminal

MECHATROLINK COMMUNICATION

MECHATROLINK mode: Set with DIP switches
(MECHATROLINK-I or -II, data length; Factory default setting: MECHATROLINK-II; data length (17 bytes)
(Refer to the instruction manual)
Station address: 60H - 7FH
(Function selected with Rotary SW. Factory default setting: 60H) (Refer to the instruction manual)

■ MECHATROLINK-I
Baud rate: 4 Mbps
Transmission distance: 50 m max.
Distance between stations: 30 cm min.
Transmission media: MECHATROLINK cable (Model JEPMC-W6003-x-E, Yaskawa Controls Co., Ltd.)
Max. number of Subordinate Devices: 15
(The maximum number of Subordinate Devices might change depending on the Main Device unit. Refer to the manual of the Main Device unit)
Transmission cycle: 2 msec. (fixed)
Data length: 17 bytes

■ MECHATROLINK-II
Baud rate: 10 Mbps
Transmission distance: 50 m max.
Distance between stations: 50 cm min.
Transmission media: MECHATROLINK cable (Model JEPMC-W6003-x-E, Yaskawa Controls Co., Ltd.)
Max. number of Subordinate Devices: 30
(The maximum number of Subordinate Devices might change depending on the Main Device unit. Refer to the manual of the Main Device unit)
Transmission cycle: 0.5 msec., 1 msec., 1.5 msec., 2 msec., 4 msec., 8 msec.
Data length: 17 bytes / 32 bytes selectable (Must choose identical data size for all stations on one network)

INPUT SPECIFICATIONS

Input resistance: ≥ 1 MΩ
Maximum leadwire resistance: 100 Ω per wire
Sensing current: ≤ 1 mA

INSTALLATION

Current consumption
•DC: Approx. 70 mA
Operating temperature: 0 to 55°C (32 to 131°F)
Storage temperature: -20 to +65°C (-4 to +149°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail (35 mm rail)
Weight: 250 g (0.55 lb)

PERFORMANCE

Conversion accuracy: ±1°C (±1.8°F)
(±3°C [±5.4°F] for Cu 10 @ 25°C)
Conversion rate: 250 msec. (*) or 1 sec. selectable
(*) Factory default setting
Converted data range:
• Engineering unit value (°C, K) × 10 (integer)
• Engineering unit value (°F)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span
Response time: Conversion rate × 2 + 50 msec. (0 – 90 %)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input 0 to input 1 to input 2 to input 3 to power)
500 V AC @ 1 minute (MECHATROLINK or FG to input or power)