PCB Piezotronics 441A35 Installation And Operating Manual page 39

Command: NULL
Purpose:
Response:
Command String:
Description:
Response String:
Description:
Example:
Manual 19854 Rev. D
ECN 50523
Initiates the automated drift nulling routine when in long time constant charge
mode.
The module responds with a "0" to tell the calling process the command has
been received.
XYC02NULL
X—Rack number of the target module (Range: ASCII printable characters, 0
through 3)
Y— Slot number of the target module. (Range: ASCII printable characters, 0
through 7)
C02— Module type for the target. Only type "C02" (443B102) can accept this
command since the 443B101 does not have long time constant.
NULL—Commands the module to begin drift nulling.
"0"
Note: Subsequent commands will receive the response "NULLING". The only
way to end the nulling routine is to send a "TERM" command.
This return indicates that the command was received by the card.
Command String: "04C02NULL"
Response String: "0"
The 443B102 in rack 0 and slot 4 is commanded to begin nulling drift.
443B101/443B102 24