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ETC Setup Guide
Response SnapBack
Electrical Specifications
The device is powered by either auxiliary power or Power over Ethernet (PoE).
• Auxiliary power input rated voltage of 12-24 VDC, 6.49 W maximum, Polarity Independent
• 10/100Base-T, IEEE PoE 802.3af, Type 1, PD class 2
If you supply both PoE and auxiliary power, the device defaults to using auxiliary. If auxiliary power
is lost, the device will reboot and then begin using PoE.
Note:
Analog Inputs
• 24 VDC maximum, can sense between 0–10 V (10 V, 100 mA utility supply provided)
• 0–10 V converted to 8-bit (0-255) digital values
• Can withstand up to 24 VDC (11–24 VDC registered as 255)
Presets
You can record and store up to ten presets per SnapBack. When a preset is recorded, all addresses
on all of the configured sACN universes have their current values stored.
Currently, there is no way to save your preset data to external storage. When
recording presets, always be aware of what data you might be overwriting.
Each preset corresponds to one of the analog inputs (1–10) if you are using them. Input 11 is
reserved for future development and input 12 is Preset Off. When a preset is activated, any
currently active preset is deactivated.
Note:
automatically reactivate at startup. However, if analog inputs are active when you restart,
the highest number active analog input activates the corresponding preset.
Depending on your control system, a single lighting network can support up to 50 SnapBacks.
Each device must have a unique IP address and a unique device number in the range 1–50. When
using SnapBack in an Echo system, the device numbers must be in the range of 1–16.
Presets Using Analog Inputs
You can use momentary or maintained contact closures to control presets. Currently, all presets
must use the same type of contact closure per SnapBack.
For example, you could have a button station with 12 momentary button switches, each wired to
their respective input on the SnapBack. Pressing button 1 would activate the corresponding
preset, while pressing button 1 a second time would deactivate the preset. Pressing button 12
would deactivate any active preset.
Presets Using UDP Messages
You can also configure your device to receive UDP messages to control presets. See
or the SnapBack Device Help in Concert software for more information on how to configure UDP.
Response SnapBack
Any external power supply must be rated at a maximum of 15 watts.
Active presets are deactivated when you restart a SnapBack and do not
Page 2 of 8
Configure UDP
ETC
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