Bosch INTEGRUS Service Manual download pdf (Page 61)

Integrus Configuration | en 61

Bosch Security Systems B.V. Installation and Operation manual IOM-INT | V1.1 | 2010.12

Figure 7.4 System with five radiators and measured impulse response times

Table 7.2 Calculation of the delay switch positions of a system with one transmitter

7.4.2 System with two or more transmitters in one room

When radiators in one multi purpose room are connected to two transmitters, an extra signal

delay is added by:

– Transmission from master transmitter to slave transmitter (cable signal delay).

– Transmission through the slave transmitter.

Use the following procedure to determine the delay switch positions in a master-slave

configuration:

1. Calculate the cable signal delay for each radiator, using the procedures for a system with

one transmitter.

2. Calculate the signal delay of the cable between the master and the slave transmitter in

the same way as for cables between a transmitter and a radiator.

3. Add to the cable signal delay of the cable between the master and the slave, the delay of

the slave transmitter itself: 33 ns. This gives the master-to-slave signal delay.

4. Add the master-to-slave signal delay to each radiator connected to the slave transmitter.

5. Determine the maximum signal delay.

6. Calculate for each radiator the signal delay difference with the maximum signal delay.

Radiator

number

Impulse res-

ponse time [ns]

Cable signal

delay [ns]

Signal delay

difference [ns]

Delay switch

position

1 350 350/2=175 292-175=117 117/33=3.64=4

2 584 584/2=292 292-292=0 0/33=0

3 237 237/2=118 292-118=174 174/33=5.27=5

4 339 339/2=169 292-169=123 123/33=3.73=4

5 563 573/2=281 292-281=11 11/33=0.33=0

584 ns 350 ns

563 ns 339 ns

R5 R4

237 ns

NOTICE!

The calculated delay switch positions based on impulse response time can differ from the

calculated delay switch positions based on cable lengths. This is caused by the accuracy of

the measurements and the accuracy of the cable signal delay factor per meter as specified by

the manufacturer of the cable. If the impulse response time is measured correctly, the

calculated delay switch positions will be the most accurate.

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 89 90

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