STX Signal Transmitter Installation and Operation ... - Kistler-Morse

Appendix B. Serial Commands
Examples
For each command below, the general format of the command is shown above the example.
‘#’ Command — K-M Product Identification Number
This command is sent by the master to request the STX to send its K-M product identification code
(code is 35 for the STX). For this example, the master requests the code from an STX at address
01, which returns a code of 35 and a checksum of 68.
Request from Master
Response from STX
>aa#ssr Addssr Format
>01#84r A3568r Example
‘W’ Command — Engineering Units (gross)
This command is sent by the master to request the STX to send the gross engineering units
(weight, level, etc.). For this example, the master requests the gross weight from an STX at
address 01, which returns a gross weight of +7103 and a checksum of 86.
Request from Master
Response from STX
>aaWssr A±dddddddssr Format
>01WB8r A+000710386r Example
‘B’ Command — Engineering Units (net)
This command is sent by the master to request the STX to send the net engineering units
(weight, level, etc). For this example, the master requests the net weight from an STX at
address 01, which returns a net weight of -4466 and a checksum of 91.
Request from Master
Response from STX
>aaBssr A±dddddddssr Format
>01BA3r A-000446691r Example
‘T’ Command — Tare Addressed Vessel
This command is sent by the master to request the STX to tare the channel. For this example, the
master requests the tare for an STX at address 01.
Request from Master
Response from STX
>aaTssr Ar Format
>01TB5r Ar Example
B-4