User Guide
DVS-21
02/2018
• V.1.0 • L. Wolle
56/131
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Impedance measurement as from module Firmware x129
Presetting
Level
Level at which measurement takes place
Online level
Level
is transferred to amp
Start measuring
starts a reference measurement
Control measuring
starts a comparative measurement
Activate flag
activates the specified Flag for test purposes
The reference value of the measurement is only stored in the configuration file when saved. The
configuration file must be transferred to the system, in order for the impedance check to be performed
using this value.
Line function Impedance measurement:
(Control by program:
Port 1:
Line 3 CPU -> M Indication that impedance is too high (red LED)
Line 4 CPU -> M Indication that impedance is too low (red LED)
Line 5 CPU -> M Start impedance measurement
Port 2 - 4: without function
Acknowledgment
Acknowledgment as from module Firmware x129
Threshold value
Threshold value for AF detection
Online level
Threshold value
is transferred to amp
Line function Acknowledgment:
Port 1:
Line 2 M -> CPU positive PA acknowledgment during a public address (such as 4IOS, 4LSL)
Line 3 M -> CPU negative PA acknowledgment during a public address
Line 14 M -> CPU positive PA acknowledgment after a public address (after 1 sec, for 2 sec)
Line 22 CPU -> M
on receiving Line 22, Line 2 (PA acknowledgment) is activated (forwarding of the
acknowledgment in standby mode)
Port 2 - 4: without function
