Bosch INTEGRUS, Installation And Operating Manual

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INTEGRUS | Digital Infra-red Language Distribution System
en |
19
BOSCH Security Systems | February 2003
R2
R1
R4
R6
R9
20m
R7
R5
R10
Tx2
R8
R3 Tx1
20m
30m
20m
50m
30m 20m
20m
30m
30m
20m
Figure 1.28 System with master and slave transmitter in multi purpose room
Table 1.3 Calculation of the master-to-slave signal delays
Cable length
master-slave
transmitter [m]
Cable
signal delay
per meter [ns/m]
Cable
signal delay
[ns]
Signal delay
slave transmitter
[ns]
Master-to-slave
signal delay [ns]
50 5.6 50 x 5.6 = 280 33 280 + 33 = 313
Table 1.4 Calculation of the delay switch positions of a system with two transmitters
Radiator
number
Transmitter Master-to-
slave signal
delay [ns]
Cable signal
delay [ns]
Total signal
delay [ns]
Signal delay
difference
[ns]
Delay switch
position
1 Master 0 168 0+168 = 168 593 -168 = 425 425/33 = 12.88 = 13
2 Master 0 280 0+280 = 280 593 -280 = 313 313/33 = 9.48 = 9
3 Master 0 112 0+112 = 112 593 -112 = 481 481/33 = 14.58 = 15
4 Master 0 168 0+168 = 168 593 -168 = 425 425/33 = 12.88 = 13
5 Master 0 280 0+280 = 280 593 -280 = 313 313/33 = 9.48 = 9
6 Slave 313 168 313+168 = 481 593 -481 = 112 112/33 = 3.39 = 3
7 Slave 313 280 313+280 = 593 593 -593 = 0 0/33 = 0
8 Slave 313 112 313+112 = 425 593 -425 = 168 168/33 = 5.09 = 5
9 Slave 313 168 313+168 = 481 593 -481 = 112 112/33 = 3.39 = 3
10 Slave 313 280 313+280 = 593 593 -593 = 0 0/33 = 0