Kistler-Morse KM STXPlus User Manual
Page 26
APPENDIX B: KISTLER-MORSE
®
PROTOCOL SERIAL COMMANDS
Request from Master
Response from STXplus
>aaP1???ssr
Ar
Format
>01P1kgsC6r
Ar
Example
‘Ra’ Command — Read Format
This command is sent by the master to request the STXplus to send the configured decimal
format. The range of returned values is 0-7 corresponding to X00., X0., X., X.X, X.XX, X.XXX,
X.XXXX, X.XXXXX respectively. The default value is 2(X.). For this example, the master requests
the format for an STXplus at address 01 which returns the format of 2(X.) and a checksum of 52.
Request from Master
Response from STXplus
>aaRassr
A000000dssr
Format
>01Ra14r
A000000252r
Example
‘wa’ Command — Write Format
This command is sent by the master to set the STXplus decimal format. The range of acceptable
values is 0-7 corresponding to X00., X0., X., X.X, X.XX, X.XXX, X.XXXX, X.XXXXX respectively. For
this example, the master will set the decimal format to 4 to an STXplus at address 01. Any of the
6 leading zeros may be omited.
Request from Master
Response from STXplus
>aawa000000dssr
Ar
Format
>01wa00000048Dr
Ar
Example
‘A’ Command — Read Current Output
This command is sent by the master to request the STXplus to send the current output as a
percentage of maximum current range with an accuracy in tenths of a percent. The range of
returned values is 0.0 to 100.0. For this example, the master requests the current output for an
STXplus at address 01 which returns value of 37.2(%) and a checksum of 5A.
Request from Master
Response from STXplus
>aaAssr
A000000dssr
Format
>01AA2r
A00037.25Ar
Example
If an error condition exists an additional ‘X’ and a status digit preceeds the current output.
Possible status digits are ‘6’ - A/D error, and ‘3’ - current output error. For this example, the
master requests the current output for an STXplus at address 01 which has an A/D error and a
current output of 89.0(%) and a checksum of 8D.
Request from Master
Response from STXplus
>aaAssr
A000000dssr
Format
>01AA2r
AX6089.08Dr
Example
B-7