R7G4HML MECHATROLINK I/O MODULE

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ES-7772-AX Rev.2

R7G4HML3-6-LC2

Remote I/O R7G4H Series

MECHATROLINK I/O MODULE

(strain gauge input, 2 points, isolated, screw terminal block, message transmission command, MECHATROLINK- III use)
Functions & Features
• 2 points strain gauge input for MECHATROLINK- III
• Easy parameter setting of individual channels with the configurator software

MODEL: R7G4HML3-6-LC2–R[1]

ORDERING INFORMATION

• Code number: R7G4HML3-6-LC2-R[1]
Specify a code from below for [1].
(e.g. R7G4HML3-6-LC2-R/R20/F2K/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)

TERMINAL BLOCK

6: Screw terminal block for power supply
Connector for MECHATROLINK- III
Screw terminal block for I/O

I/O TYPE

LC2: Strain gauge input, 2 points

POWER INPUT

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

[1] OPTIONS (multiple selections)

Input Range
(be sure to specify)
/R20: -2 - +2 mV/V
/R10: -1 - +1 mV/V
/R05: -0.5 - +0.5 mV/V
CR Filter
(be sure to specify)
/F2K: 2 kHz/2 Hz
/F1: 1 Hz/2 Hz
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-7772-LC2)

RELATED PRODUCTS

• PC configurator software (model: R7CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

GENERAL SPECIFICATIONS

Connection
MECHATROLINK-III: MECHATROLINK-III connector
Power input, I/O: 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 or monitor output 0 to input 1 or monitor output 1 to MECHATROLINK or FE to power
Zero adjustments: Configurable via R7CFG
Span adjustments: Configurable via R7CFG
Load coefficient: Configurable via R7CFG
Averaging: Configurable via R7CFG
Excitation Voltage: Configurable via R7CFG
Lowpass filter: Configurable via R7CFG
Monitor output: Configurable via R7CFG
Status indicator LEDs: PWR, ERR, CON, LNK1, LNK2
(Refer to the instruction manual for details)
Input status indicator LEDs: A.ZERO, ZERO, SPAN, MODE, RESET, UNDER, 0-100, OVER
(Refer to the instruction manual for details)
■Recommended solderless terminal

MECHATROLINK-III COMMUNICATION

Baud rate: 100 Mbps
Transmission distance: 6300 m max.
Distance between stations: 100 m max.
Transmission media: MECHATROLINK cable (Model JEPMC-W6013-x-E, Yaskawa Controls Co., Ltd.)
Connector: TYCO AMP Industrial mini I/O connector
Max. number of slaves: 62
(The maximum number of slaves might change depending on the master unit. Refer to the manual of the master unit)
Transmission cycle: 125 µsec., 250 µsec., 500 µsec., 1 – 64 msec. (with 1 msec. increments)
Communication cycle: 125 µsec. through 64 msec.
Applicable profile: Standard I/O profile (cyclic communication)
Event-driven communication acquiring ID profile (event-driven communication)
Transmission bytes: 16 bytes
Station address: 03H through EFH (set with rotary switches)
Cyclic communication: Available
Event-driven communication: Available
Message transmission command: 01H, 7FH
Slave monitoring: None

INPUT SPECIFICATIONS

■Strain Gauge Input:
• Strain Gauge
Input range:
Option code /R20
-2 – +2 mV/V (at 5 V excitation)
-4 – +4 mV/V (at 2.5 V excitation)
Option code /R10
-1 – +1 mV/V (at 5 V excitation)
-2 – +2 mV/V (at 2.5 V excitation)
Option code /R05
-0.5 – +0.5 mV/V (at 5 V excitation)
-1 – +1 mV/V (at 2.5 V excitation)
Max. Input range:
Option code /R20
-3 – +3 mV/V (at 5 V excitation)
-6 – +6 mV/V (at 2.5 V excitation)
Option code /R10
-1.5 – +1.5 mV/V (at 5 V excitation)
-3 – +3 mV/V (at 2.5 V excitation)
Option code /R05
-0.75 – +0.75 mV/V (at 5 V excitation)
-1.5 – +1.5 mV/V (at 2.5 V excitation)
Zero adjustment:
Option code /R20
-1 – +1 mV/V (at 5 V excitation)
-2 – +2 mV/V (at 2.5 V excitation)
Option code /R10
-0.5 – +0.5 mV/V (at 5 V excitation)
-1 – +1 mV/V (at 2.5 V excitation)
Option code /R05
-0.25 – +0.25 mV/V (at 5 V excitation)
-0.5 – +0.5 mV/V (at 2.5 V excitation)
Lowpass filter:
Approx. 2 kHz or approx. 2 Hz (option code /F2K)
Approx. 1 Hz or approx. 2 Hz (option code /F1)
Conversion rate: min. 2000 samples/sec.
• Excitation: 5 V ±10% or 2.5 V ±10%
(Input range doubled in the case of 2.5 V excitation)
Maximum current: max. 60 mA (Up to 4 strain gauges of 350 Ω can be connected in parallel-adding connection at 5 V excitation)
max. 100 mA (at 2.5 V excitation)

OUTPUT SPECIFICATIONS

Output range: 0 – 10 V DC (for input 0 - 100 %)
Load resistance: ≥ 100 kΩ
Operational range: -115 - +115 %

INSTALLATION

Current consumption
•DC: Approx. 160 mA
Operating temperature: -10 to +55°C (14 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: Surface or DIN rail (35 mm rail)
Weight: 220 g (0.49 lb)

PERFORMANCE

Accuracy:
Option code except /R05
±0.04 % (Averaging 128 samples or more)
±0.05 % (Averaging 64 samples)
±0.10 % (Averaging 8, 16, 32 samples)
±0.15 % (Averaging 4 samples)
±0.20 % (Averaging 2 samples)
Option code /R05
±0.05 % (Averaging 512 samples or more)
±0.10 % (Averaging 64, 128, 256 samples)
±0.20 % (Averaging 16, 32 samples)
±0.30 % (Averaging 2, 4, 8 samples)
Monitor output accuracy: ±0.1 %
Converted data range:
Input 0 / input 1: 0 – 10000 of the range from zero to span
Total input data: Sum of input 0 and input 1
Temperature coefficient:
Strain gauge input: ±0.015 %/°C (±0.008 %/°F)
Monitor output: ±0.015 %/°C (±0.008 %/°F)
Input delay time:
Lowpass filter 2 kHz max. 20 msec. (0 - 90 %)
Lowpass filter 2 Hz max. 200 msec. (0 - 90 %)
Lowpass filter 1 Hz max. 400 msec. (0 - 90 %)
Output delay time: ≤ 250 msec. (0 – 90 %)
Resolution: 1/10000
Insulation resistance: ≥ 100 MΩ with 500 V DC
Isolation: 1500 V AC @ 1 minute
(input 0 or monitor output 0 to input 1 or monitor output 1 to MECHATROLINK or FE to power)

STANDARDS & APPROVALS

EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive

PC CONFIGURATOR

The following parameters can be set with using PC Configurator Software (model: R7CFG)
Refer to the users manual for the R7CFG for detailed operation of the software program.

EXTERNAL VIEW

TERMINAL ASSIGNMENTS

■I/O TERMINAL ASSIGNMENT

■POWER SUPPLY TERMINAL ASSIGNMENT

MECHATROLINK RELATED COMMANDS

DATA CONVERSION

RESPONSE TIME

Response time of analog input module is time from when 0 to 100% stepwise signal change is applied to the analog module till when the communication ASIC of the module (slave) transmits 90% of input signal.
T_COM: MECHATROLINK-III transmission cycle set at master
(depends on system and configuration)

T_INP: Input module response time ≤ Input Delay time (Ta) + Conversion rate^*1 (Tb) + input internal processing delay time (Tc) (two transmission cycle)

*1. Conversion rate x Averaging

E.g.: Averaging (2), input delay time of 20 msec, transmission cycle of 0.5 msec.
Input module response time (T_INP): Input Delay time (20 msec.) + Conversion rate (0.5 msec.) × Averaging (2)
+ internal processing delay time (0.5 msec. x 2) = 22 [msec.]