Flintec DAD 141.1 - Manual (Page 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 OK
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 OK 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 OK Calibration sequence active
CM 30000 OK 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 OK Calibration sequence active
CI – 100 OK 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 =
–01000 9