Flintec DAD 141.1 Bedienungsanleitung PDF herunterladen (Seite 31)

DAD 141.1 Technical Manual, Rev. 2.2 - February 2014

Page 31 of 54

10.1.5. SR Reset DAD 141.1 Firmware

Master (PC / SPS) sends

Slave (DAD 141.1) responds

SR

This command will respond with ‘OK’ and after maximum 400 ms perform a complete reset of the DAD 141.1.

It has the same functionality as power OFF and ON again.

10.1.6. RS Read Serial Number [ Index 0x2034 ]

Issuing the RS command will return the current serial number in the format S+12345678.

Master (PC / SPS) sends

Slave (DAD 141.1) responds

Meaning

RS

S+00147301

Serial Number: 0147301

10.2. Calibration Commands – CE, CM, CI, DS, DP, CZ, CG, ZT, FD, ZR, ZI,

AZ, AG, CS, SU, RU

10.2.1. CE Read TAC* Counter / Open Calibration Sequence [ Index 0x2204 ]

With this command you can read the TAC counter (*TAC = Traceable Access Code) or you can open a

calibration sequence.

Master (PC / SPS) sends

Slave (DAD 141.1) responds

Meaning

CE

E+00017 (example)

Request: TAC counter CE17

CE 17

Calibration sequence active

This command must be issued PRIOR to any attempt to set the calibration parameters AG, AZ, CM, CI, DS,

DP, CZ, CG, ZT, ZR, FD or CS. In legal for trade applications the TAC counter can be used to check if critical

parameters have been changed without re-verification. After each calibration the TAC counter increases by 1.

10.2.2. CM Set Maximum Output Value [ Index 0x220C ]

This command is used to set up the maximum output value. Permitted values are from 1 to 999 999.

Master (PC / SPS) sends

Slave (DAD 141.1) responds

Meaning

CM

M+050000

Request: CM = 50000 d

CE

E+00017 (example)

Request: TAC counter CE17

CE 17

Calibration sequence active

CM 30000

Setup: CM = 30000 d

This value will determine the point at which the output will change to “ooooooo”, signifying over-range.

Note: The range, in which a scale can be set to zero (SZ) or automatic zero tracking (ZT) is active, is as

standard +/- 2% of CM value. But with the settings of ZT (see 10.2.8) and/or ZR (see 10.2.10) you can change

the behaviour.

Factory default: CM = 010009

10.2.3. CI Set Minimum Output Value [ Index 0x220E ]

This command is used to set up the minimum output value. Permitted values are from – 999 999 to 0.

Master (PC / SPS) sends

Slave (DAD 141.1) responds

Meaning

CI

I–010009

Request: CI = –10009 d

CE

E+00017 (example)

Request: TAC counter CE17

CE 17

Calibration sequence active

CI –100

Setup: CI = –100 d

This value will determine the point at which the output will change to “uuuuuuu”, signifying under-range.

Note: In bipolar applications (e.g. force- or torque measurements) this parameter defines the max. output value

for input signals with negative sign.

Factory default: CI = –010009

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