American Dynamics MegaPower 3200, User Manual

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MEGAPOWER 3200 EXTENDED DOME/PTZ CAMERA PROTOCOL 8200-0421-23, REV. A
USER GUIDE
19 of 25
Appendix D: Pelco-P Protocol
Features
Table 15 identifies the camera control functions
available in the Pelco-P protocol.
Table 15. Pelco-P function commands
Function Capability/Capacity
Pan
Variable Speed
Tilt Variable Speed
Zoom In Single Speed
Zoom Out
Single Speed
Flip
19-F1 (see Note 1)
Focus Near Single Speed
Focus Far Single Speed
Iris Open
Single Speed
Iris Close Single Speed
Define Pattern Max.
Permitted
3 Patterns
Call Pattern 3 Patterns (see Note 2)
Repeat Patterns
3 Call Run Patterns
(see Note 2)
Define Preset Max.
Permitted
42 Presets
Call Preset 42 Presets
Notes:
1) In addition to "19" followed by the "F1" key, the
AD2089 joystick top and Control Center keyboard
special keys also issue the Flip command.
2) The Call Pattern function will repeat the Pattern
and not run a single run of the Pattern.
Table 16 identifies the keyboard dome commands
available in the Pelco-P protocol.
Table 16. Bosch Pelco-P keyboard dome
commands
Keyboard Dome Menu Access Commands
AD2089 1
→ HOLD → IRIS OPEN
ADCC1100
Tab Key T2
→ 95 → PRESET
soft key → FOCUS FAR
ADCC300 → 95 → IRIS OPEN
ADTTE 1
→ HOLD → IRIS OPEN
Note: Configuration UI also can be accessed by going
into Keyboard programming mode and typing "95
Preset".
Format
The Pelco-P command string uses 8 hexadecimal
bytes; that is, each data byte is in hexadecimal
format. For example, Hex 06 and 12 represents
decimal numbers 06 and 22 respectively.
Table 17 outlines the Pelco-P format.
Table 17. Pelco-P command string format
Byte
1
Byte
2
Byte
3
Byte
4
Byte
5
Byte
6
Byte
7
Byte
8
STX
Camera
Address
Data
1
Data
2
Data
3
Data
4
ETX
Check
-sum

Byte 1 (STX) - Start of Text, fixed to A0

Byte 2 (Camera Address) - logical address of the
camera being controlled (Address 1 is 00)

Byte 3 to 6 (Data 1 to 4)
– see Table 18

Byte 7 (ETX) - End of Text, fixed to AF

Byte 8 (Checksum) - xOR sum of Bytes 1 to 7
Table 18. Calculate Pelco-P camera control
hexadecimal bit values for Bytes 3 to 6
Bit 7 Bit 6 Bit 5 Bit 4
Data 1
Fixed to
0
Camera
On
Auto Scan
On
Camera
On/Off
Data 2
Fixed to
0
Zoom
Wide
Zoom
Tele
Tilt
Down
Data 3
Pan speed 00 (stop) to 3F (high speed)and
40 for Turbo
Data 4 Tilt speed 00 (stop) to 3F (high speed)
Bit 3 Bit 2 Bit 1 Bit 0
Data 1
Iris
Close
Iris
Open
Focus
Near
Focus
Far
Data 2
Tilt
Up Pan
Left
Pan
Right
0 (for
Pan/Tilt)
Data 3
Pan speed 00 (stop) to 3F (high speed) and
40 for Turbo
Data 4 Tilt speed 00 (stop) to 3F (high speed)
Note: American Dynamics has operated with the
following dome models:

Spectra II Model VDD5BC Ver. 3.31 with housing
BB5A-PG-E

Spectra III Model DD53CDW

Spectra III Model DD53TC16

Spectra IV SE Model DD4CBW35