Bosch Access Modular Controller 2 Manual page 32

32 en | Installing
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The resistor values can vary and depend on the used lock system.
The extension package includes 2.2 kΩ resistors which can be used to replace R
resistors.
To detect the four states, the voltage drop in the connecting cable may not exceed special
values. The following table shows the maximum values of permissible cable resistance
depending on the used resistor combination.
R
p
R
s
1k
1k2
1k5
1k8
2k2
2k7
3k3
3k9
4k7
5k6
6k8
8k2
Table 4.3: Maximum values of cable resistance per used resistor combination in Ohm
Notice!
i
We recommend using serial resistors (R
measurements.
2022-11 | V04 |
Door open: R + R
S P
Door closed: R
S
Open wire: R + R = ∞
S P
Short circuit: R + R = 0
S P
1k 1k2 1k5
220 220 220
260 270 270
310 330 340
340 380 390
430 460
490 540
610
1k8 2k2 2k7 3k3
210 200
270 260 240
350 350 340 310
410 410 410 400
490 510 520 510
570 620 630 640
650 700 740 770
720 790 850 890
880 960 960
1050 1100
1300
) no higher than 5K6 in order to obtain clear
S
Guide d'installation
Access Modular Controller 2
and R
S
3k9 4k7 5k6 6k8
280
370 330 290 200
500 460 420 340
640 620 580 510
780 770 750 700
910 910 910 880
970 1100 1100 1050
1200 1200 1300 1300
1400 1500 1500 1500
1500 1650 1700 1800
Bosch Security Systems B.V.
P
8k2
240
420
620
810
1050
1250
1500
1900