5.7. Bus Commands
You can use your PC to send bus commands. These are currently restricted to keystrokes
from a keypad to the panel, but the message is formatted in such a way as to allow future
systems to simulate a message from any device on the bus to any other device on the bus.
12zk
DDDDDDDDDD
00
CC
(CR-LF)
The 10-character data field is divided into 5 subfields:
• 10 Destination address 0x10(panel)
•
SS
Source address 0x30 - 0x37 (keypads 1-8)
• 00 Command 0x00 (send a keystroke)
•
KK
Keystroke See Table 5.6.2
•
KK
Keystroke repeated
5.8. Location Messages and Programming
You can use your PC to request the value stored at a programmed location in the panel. You
may also use your PC to set the value at a location. However, writing invalid data to the
system can jeopardize the integrity of the system. Please contact Apex with any
programming questions. The system DOES NOT provide error checking for valid
programming information. USE THIS FEATURE WITH EXTREME CAUTION AND AT
YOUR OWN RISK!
Location Read
0Elr
DDDDDD
00
CC
(CR-LF)
The panel will respond with a Location Contents message.
The 6-character data field
DDDDDD
consists of 2 characters (0x00-0x20) indicating the
number of bytes to read and 4 characters (0x0000-0x1B80) indicating the starting location in
system memory.
Example: To request the 8 bytes of system memory starting at location 0x0240, enter
0Elr080240001F
Location Contents
NN
LR
DDDDDDD….
00
CC
(CR-LF)
The panel sends this variable length message in response to a Location Read message.
The variable-length data field begins with 2 characters(0x00-0x20) indicating the number of
bytes read and 4 characters (0x0000-0x1B80) indicating the starting location in system
memory, followed by the data in memory at 2 characters per byte.
Set Location
NN
ls
DDDDDDD
..00
CC
(CR-LF)
This command should be used with EXTREME CAUTION. Writing invalid data to the
system can jeopardize the integrity of the system. Please contact Apex with any
programming questions. The system DOES NOT provide error checking for valid
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