Bit 7 - Pavone Systems DAT 700 Technical Manual

SERIAL COMMUNICATION PROTOCOLS (continued)
SLAVE PROTOCOL
3. AUTO TARE COMMAND
MASTER: <Ind> "A" EOT
INSTRUMENT: <Ind> "A" ACK EOT
4. SEMI AUTOMATIC ZERO COMMAND
MASTER: <Ind> "Z" EOT
INSTRUMENT: <Ind> "Z" ACK EOT
5. PEAK VALUE RESET COMMAND
MASTER: <Ind> "X" EOT
INSTRUMENT: <Ind> "X" ACK EOT
6. TWO WEIGHT THRESHOLDS PROGRAMMING
MASTER: <Ind> "S" <s1> <s2> ETX <csum> EOT
INSTRUMENT: <Ind> "S" ACK EOT
I
Threshold values must be lower than the scale bottom parameter
7. PROGRAMMED THRESHOLDS REQUEST
MASTER: <Ind> "R" EOT
INSTRUMENT: <Ind> "R" <s1> <s2> ETX <csum> EOT or <Ind> NAK EOT
8. LOGIC OUTPUTS ACTIVATION
MASTER: <Ind> "U" <outputs> EOT
INSTRUMENT: <Ind> "U" ACK EOT
9. LOGIC INPUTS ACTIVATION
MASTER: <Ind> "I" EOT
INSTRUMENT: <Ind> "I" <inputs> ETX <csum> EOT or <Ind> NAK EOT
10.COMMAND TO STORE THRESHOLDS IN PERMANENT MEMORY
MASTER: <Ind> "E" EOT
INSTRUMENT: <Ind> "E" ACK EOT
<set1> and <set2>: formatted as <weight> field.
<outputs> and <inputs>: single ASCII character encoded as per the table below (bit = 1 if input/output
active)

Bit 7

Bit 6
0 0
pag. 34
or
or < Ind> NAK EOT
Bit 5 Bit 4 Bit 3
1 1 0
<Ind> NAK EOT
or <Ind> NAK EOT
or <Ind> NAK EOT
or <Ind> NAK EOT
or <Ind> NAK EOT
Bit 2 Bit 1
Input 2 / output 2
0
Bit 0
Input 1 / output 1
DAT700 Instrument User Manual