Pdu Types - CalAmp Vanguard 3000 VG3000-PXS-F User Manual

$IIALR ... $IIALR ... $IIALR ... $GPMRC ... $GPVTG
6.6

PDU TYPES

Note: In all the examples provided below, for clarity the checksum is replaced by the value "FF."
ACK Message

I/O value read request (manager --> Vanguard 3000)

Output line setting request (manager --> Vanguard 3000)

Alarm acknowledgement (manager --> Vanguard 3000)
$IIACK,xxx*hh<CR><LF>
xxx: ASCII-encoded hex target descriptor,
composed of three fields <F1><F2><F3>
<F1> Operation being performed
0 Acknowledge an alarm or opening a digital output
1 Close a digital output
2 Read an analog or digital input
3-F Reserved for future use
<F2> Class of I/O being operated on
0 Digital input
1 Analog input
2-F Reserved for future use
<F3> I/O Channel number
Digital Inputs (when <F2> is 0)
0 Ignition sense
1 DIN1
2 DIN2
3-F Reserved for future use
Analog Input (when <F2> is 1)
0 Vanguard 3000 input voltage sense
1 Board/Cell module temperature sense
2 AIN1
3 AIN2
4-F Reserved for future use
Digital Output (when <F2> is 2)
0 DO1 (COM1/NO1)
Vanguard 3000 Multicarrier Cellular Data Modem & IP Router PN 134732-VG3000 Rev. D| Page 109