FLIR X6520sc Series, User Manual

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Radiometric measurement 8
Figure 8.6 Frame synchronization—IWR mode.
8.7.1 Sync In
8.7.1.1 General
The Sync In signal is supplied to the camera by connector 4 in Figure 5.3 Camera back
panel description. , page 11. The minimum pulse width is 300 ns.
The Sync In setup is described in section 6.4.7 Synchronizing the camera to an external
signal , page 24.
8.7.1.2 Characteristics
Name Value
Amplitude
Rising-edge TTL, 0/+5 V
High-state minimum voltage >3.5 V
Low-state maximum voltage <0.5 V
Polarity User selectable
Maximum frequency
1
Maximum frame rate of the camera for a given de-
tector configuration
2
Minimum pulse width 300 ns
Impedance User selectable. 50 Ω/10 MΩ
Protection Voltage peaks (500 V/<1 ns)
Overvoltage (15 V)
Reversed polarity
Connector type Coaxial BNC jack
1. Some cameras also have a minimum frequency (unspecified). Contact your FLIR representative for more
information.
2. Example: If the detector is working at 100 in full frame, then the maximum frequency will be 100.
8.7.1.3 Chronogram
#T810207; r. AA/43061/43086; en-US 41