Motion Detection Function - Sony FCB-EX20D Technical Manual

Non Interlock Mask
Command: 8x 01 04 6F mm 0p 0p 0q 0q 0r 0r 0s 0s
FF
Parameters:
mm Setting Mask
See "mm: Mask setting list" in "Parameters" on page 16.
pp Sets the center position "x" of the Mask on screen.
qq Sets the center position "y" of the Mask on screen.
rr Sets the half value "w" of the Mask Width.
ss Sets the half value "h" of the Mask Height.
See "pp: x, qq: y, rr: w, ss: h" in "Parameters" on page 16.
Commands: Mask does not interlock with pan/tilt.
The limitations of parameters are as follows.
(hexadecimal representation)
x: ±50h
w: ±50h
y: ±3ch
h: ±3ch
Note
When the Set Mask command and the Non Interlock Mask
command are set to the same mask, the command set later
becomes effective.
Grid
Use the grid displayed on the screen to set mask
positions (see the figure below).
By executing the Center Line On command, only the x
and y axes of the center are displayed. Grids lines
disappear.

Motion Detection Function

This function instructs the camera to detect movement
within the monitoring area and then send an alarm
signal automatically.
The Detect signal goes out through the serial command
(VISCA) communication line.
Features
• You can set a frame for the detection range of 12
• You can set up to four frames.
• When the motion is detected in the set frame, the
• The threshold level for detection can be set (common
• The interval of alarm detection can be set up to 256
• You can set on/off for each frame.
• When the Block Mode is set to ON, the Alarm Reply
• The frame number is also sent with Alarm Replay to
Frames
Setting frames
You can set the frame by assigning the starting point
and terminating point vertically and horizontally. You
can set up to four frames.
14hex (20(10))
When motion is detected within the rage
14hex (20(10))
where frames overlap
The alarms are sent for both frames.
(horizontally) × 8 (vertically) blocks.
Alarm Replay VISCA command is sent.
to four frames).
seconds in units of one second.
command is not sent. Use this mode for checking
when the camera is installed or for confirming the
camera operation.
report in which frame the motion has been detected.
Frame 1
Frame 2
At this position, the
Frame 3
alarm for frame 3 is
sent.
Frame 4
Basic Functions
Within this overlapped
range, alarms are sent for
both frame 3 and frame 4.
18