Kistler-morse KM STXPlus Manuel d'utilisateur télécharger pdf (Page 45)

APPENDIX B: KISTLER-MORSE

PROTOCOL SERIAL COMMANDS

‘wg’ Command — Write Setpoint State

This command is sent by the master to set the setpoint state of an STXplus. This can only be

accomplished if setpoint test is enabled (see command “GB/PB“). Acceptable values for setpoint

number is 1 and 2. The range of acceptable values is 0-1 where 0 is setpoint off or 1 is setpoint

on. For this example, the master sets setpoint 1’s state for an STXplus at address 01 to 1

(setpoint on). Any of the 6 leading zeros may be omitted.

Request from Master Response from STXplus

>aawgn000000dssr Ar Format

>01wg11A1r Ar Example

‘GB’ Command — Read Setpoint Test Mode

This command is sent by the master to request the STXplus to send the setpoint test mode.

Acceptable values for setpoint number is 1 and 2. The range of acceptable values is 0-1 where

0 is test mode disabled or 1 is test mode enabled. The default value is 1 (test mode enabled).

For this example, the master requests setpoint 2’s test mode for an STXplus at address 01 which

returns 0 (test mode disabled) and a checksum of 50.

Request from Master Response from STXplus

>aaGTnssr A000000dssr Format

>01GB21Cr A000000050r Example

‘PB’ Command — Write Setpoint Test Mode

This command is sent by the master to set the setpoint test mode of an STXplus. Acceptable

values for setpoint number is 1 and 2. The range of acceptable values is 0-1 where 0 is test mode

disabled or 1 is test mode enabled. For this example, the master sets setpoint 1’s state for an

STXplus at address 01 to 1 (test mode enabled). Any of the 6 leading zeros may be omitted.

Request from Master Response from STXplus

>aaPBn000000dssr Ar Format

>01PB1155r Ar Example

‘GH’ Command — Read Setpoint Value

This command is sent by the master to request the STXplus to send the setpoint value.

Acceptable values for setpoint number is 1 and 2. The range of this value can be ±2,147,483,647.

The default value is 0. For this example, the master requests setpoint 1’s value for an STXplus at

address 01 assuming it is using a format of 4(X.XX), which returns 347.51 engineering units and

a checksum of 32.

Request from Master Response from STXplus

>aaGHnssr A(-)ffffffffssr Format

>01GH121r A347.5132r Example

B-26

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Kistler-morse KM STXPlus Manuel d'utilisateur Page 45