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Configuration and Directive Commands
These are the commands and responses that the VC4™ system will support for remote control
and configuration.
Set K-Factor - 0x50
This command configures the manual K-Factor for a specific point. An individual point is given
a K-Factor times 1000. The K-Factor is used to change the sensitivity of a point in the range of
0.200-5.000.
Command packet to instrument:
Command Code (0x50) - 1 byte
Point # - 1 byte
bit 0-1: Point to set K-Factor
00 = Point 1
01 = Point 2
10 = Point 3
11 = Point 4
bits 2-7: Undefined
K-Factor (x 1000) value - 2 bytes (200-5000)
Response packet from instrument:
Command Code (0x50) - 1 byte
VC4™ Date - 2 bytes
VC4™ Time - 2 bytes
Status - 1 byte
0x00 = Point configured and verified
0x01 = Factor <0.200
0x02 = Factor >5.000
0xff = Save problem, K-Factor unchanged
Reset Fault or Alarm - 0x51
This command allows a remote reset of any faults or alarm conditions.
Command packet to instrument:
Command Code (0x51) - 1 byte
VC4™
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