Rice Lake Signal Conditioning Transmitter/Indicators - Manual (Page 41)

Operation 37
GROSS WEIGHT – NET WEIGHT – PEAK
The weight values are expressed as positive integer numbers, include decimal figures but without decimal point.
Read the “Status Register” to obtain information about sign and possible errors on the weight.
To find out the decimal figures use the Division module value; E.g.: the net weight is 100000 and the division is
0.001 (three decimals), the real weight value is 100.000kg
Setpoints – Hysteresis
The weight values are expressed as positive integer numbers, include decimal figures but without decimal point.
• to set the value to 0; write the hexadecimal value hex 80000000 to the register (the most significant bit is 1 and
all the other bits are 0).
• to set them correctly consider the module Division value; E.g. if you want to set a set-point to 100kg and the
verification division value is 0.001, set the set-point value to 100000 (you remove the decimal points from the
value that would be 100.000 with decimals).
• If from PLC you set a value out of the permitted interval (from 0 (not included) to full scale) the value is
ignored and the bit 13 “Writing error” rises in the “Status Register”.
Setpoints and Hysteresis are stored to the RAM volatile memory and lost upon instrument power off. To save
them permanently in the EEPROM memory, so that they are maintained upon the instrument power on, it is
necessary to send the command 99 “Save data in EEPROM” of the Command Register.
Divisions And Units Measure Registry (40014)
This register contains the current setting of the divisions (parameter dI UI S) and of the units of measure (UnIt
parameter).
Use this register together with the coefficient registers to calculate the value displayed by the instrument.
MODULE Saving to EEPROM
N. Byte
R
N. Byte
W
ACCES
S
GROSS WEIGHT) 4 R
NET WEIGHT 4 R
PEAK WEIGHT 4 R
SETPOINT 1
Only after command ‘99’
of the
COMMAND REGISTER
4 4 R/W
SETPOINT 2 4 4 R/W
SETPOINT 3 4 4 R/W
HYSTERESIS 1 4 4 R/W
HYSTERESIS 2 4 4 R/W
HYSTERESIS 3 4 4 R/W
Divisions and Units of
measure 2 R
Visualization Coefficient 4 R
INPUTS 2 R
OUTPUTS NO 2 2 R/W
STATUS REGISTER 2 R
COMMAND REGISTER NO 2 W
Sample Weight for
calibration
Use with command ‘101’
of the COMMAND
REGISTER 4 4 R/W
H Byte L Byte
Units of measure division
Note
Profibus