R7ML-YV2-R datasheet(27/40 Pages) MSYSTEM

27 / 40 page

MODEL: R7ML

http://www.m-system.co.jp/

R7ML SPECIFICATIONS

ES-7805 Rev.11 Page 27/40

STRAIN GAUGE INPUT MODULE

MODEL: R7ML-LC2

SPECIFICATIONS

Isolation: Input 0 or monitor output 0 to input 1 or monitor

output 1 to MECHATROLINK or FE to power input

■ INPUT

Excitation: 5 V ±10% or 2.5 V ±10%

(Input range doubled in the case of 2.5 V excitation)

Changeable with switch

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)

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)

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 samplesor more)

±0.10% (Averaging 64, 128, 256 samples)

±0.20% (Averaging 16, 32 samples)

±0.30% (Averaging 2, 4, 8 samples)

Lowpass filter:

Approx. 2 kHz or approx. 2 Hz (option code /F2K)

Approx. 1 Hz or approx. 2 Hz (option code /F1)

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%)

Conversion rate: min. 2000 samples/sec.

Resolution: 1/10000

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

Load coefficien: 10.00 – 100.00 (%)

Averaging: 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024 samples

Temperature coefficient: ±0.015 %/°C (±0.008 %/°F)

■ OUTPUT

Output range: 0 – 10 V (for input 0 – 100 %)

Operational range: -115 – +115 %

Load resistance: ≥ 100 kΩ

Conversion accuracy: ±0.1 %

Output delay time: ≤ 250 msec. (0 – 90 %)

Temperature coefficient: ±0.015 %/°C (±0.008 %/°F)

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.

OPERATING MODE SETTING

(*) Factory setting

• Extension (SW1-1, 1-2)

SW1-1 SW1-2

Extension

OFF

No extension (*)

OFF

Discrete input, 8 or 16 points

OFF

Discrete output, 8 or 16 points

• Lowpass Filter (SW1-3)

SW1-3

Lowpass lter

OFF

2 kHz (/F2K) / 1 Hz (/F1) (*)

2 Hz

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