R7G4HH-A-SVF4-R datasheet(7/11 Pages) MSYSTEM

7 / 11 page

MODEL: R7G4HH-A-SVF4

R7G4HH-A-SVF4 SPECIFICATIONS

ES-7777-B Rev.1 Page 7/11

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

DATA CONVERSION

■ INPUT RANGE AND DATA CONVERSION (FACTORY DEFAULT SETTING)

Analog input data is converted into digital representations of 0 – 100% proportional to each scaled range.

The converted % values are multiplied by 100 and expressed in16 bits.

Overrange input is possible from -15 to +115% of the nominal range.

When the signal exceeds the limit, the data is fixed at -15% or +115%.

• Input Range 0 – 5V DC

Input Value

Input %

Converted Data, Decimal

Converted Data, Hex

≤ -0.75V

-1500

-15%

FA24

10000

2710

≥ 5.75V

115%

100%

11500

2CEC

11500 (2CEC)

10000 (2710)

-0.75

-1500 (FA24)

5.0

5.75

(V)

RESPONSE TIME

Response time of analog input module (R7G4HH-A-SVF4; slave) is time from when 0 to 100% stepwise signal change is applied

to the module until the communication ASIC of the module transmits 90% of input signal.

TCOM: HLS scan time

HLS scan time varies according to communication method, the number of operating slave stations (FS), transmission rate (TBPS),

and the hop count (LF).

· Full-duplex communication

LF = 0

: HLS scan time = 182 x FS x TBPS (sec.)

LF = 1 to 7: HLS scan time = (184 + (144 x LF)) x FS x TBPS (sec.)

· Half-duplex communication

LF = 0

: HLS scan time = 354 x FS x TBPS (sec.)

LF = 1 to 7: HLS scan time = (328 + (144 x LF)) x FS x TBPS (sec.)

TINP: Input unit response time ≤ Delay time of input circuit (Ta) + (Conversion rate x Moving average order) (Tb) + Input internal

processing time (Tc) (HLS scan time x 2)

e.g.

Number of moving average: 1,

Communication: Full-duplex,

Number of operating slave station (FS): 63,

Transmission rate (TBPS): 12Mbps,

the hop count (LF): 0

HLS scan time (TCOM): 182 x 63 x 1 / 12 M = 0.9555 [msec.]

Input unit response time (TINP): Delay time of input circuit (1 msec.) + Conversion rate (0.2 msec.) x Number of moving average

(1 time) + Input internal processing time (0.9555 msec. x 2) = 3.1 [msec.]

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