Table of Contents
Advertisement
CCS800 | Service manual | Chapter 7 | Diagnostics and faultfinding
7.3.12
Control line test with mode switch (A)
By use of a combination of different voltage levels at CTRL-L1 and CTRL-L2 each mode of the CPSU can be passed on
to the Delegate and Chairman units.
Set the "mode switch" (S2) is each position and measure the voltages at M30, M31, M32, M33, M4 and M5 related to M2
(GND).
Mode switch
Position
(S2)
Auto-1
Auto-2
Auto-3
Auto-4
Open-1
Open-2
Open-3
Open 4
Override
Chairman only
Test
Tolerances:
10V ±500 mV and 15V ±750mV
CTRL-L1 levels is ±100mV
CTRL-L2 levels is on 1.0V ±100mV, on 2,9V ±150mV and on 5,7V ±300mV
Reference:
M30, 31, 32, 33, S2
M4, 5
Bosch Security Systems | 2005-01| 3922 880 21112
Measurement values for A1 (V)
M33
M32
(bit 3)
(bit 2)
0
10
0
10
0
10
0
10
0
15
0
15
0
15
0
15
10
10
10
10
10
10
See Ch. 13.5
See Ch. 13.7
M31
M30
(bit 1)
(bit 0)
0
0
0
10
10
0
10
10
0
0
0
10
10
0
10
10
0
0
0
10
10
0
M4
M5
(Control-L1)
(Control-L2)
2.5
2.9
2.5
2.9
2.5
2.9
2.5
2.9
2.5
5.7
2.5
5.7
2.5
5.7
2.5
5.7
1.0
5.7
1.0
>14
2.5
1.0
en | 31
Advertisement
Table of Contents
