Mode 3B (2Plus2); Mode4 (Only One Commands Active) - Siemens SWT-3000 Equipment Manual

SWT 3000 Equipment Manual

Mode 3b (2plus2)

The commands 1 and 2 are always uncoded transmitted. The commands 3 and 4 as well as com-
binations from commands 3 and 4 with 1 and 2 are always coded transmitted.
Table 9:
activated
Input
all off
BI1
BI2
BI1 + BI2
BI3
BI4
BI3 + BI4
BI1 + BI3
BI1 + BI4
BI1 + BI3 + BI4
BI1 + BI2 + BI3
BI2 + BI3
BI2 + BI4
BI2 + BI3 + BI4
BI1 + BI2 + BI4
BI1 + BI2 + BI3 + BI4
Usynch

Mode4 (only one commands active)

Table 10:
activated
Input
all off
BI1
BI2
BI3
BI4
more than 1
input activated
---
USYNC
1) Input error. If more than one input is activated fg is transmitted.
2) If an invalid frequency or code is received, resp. in case of guard tone alarm
© SIEMENS AG 2008
Logic scheme for the Mode3b (2plus2)
Transm. Transm.
uncoded coded
fg
f1
f2
f3
f +f
s 4
f +f
s 5
f +f
s 6
f +f
1 4
f +f
1 5
f +f
1 6
f +f
1 7
f +f
2 4
f +f
2 5
f +f
2 6
f +f
3 4
f +f
3 5
f +f
s 7
Logic scheme for the Mode4
Transm. Transm.
uncoded coded
fg fg
f1 f +f
s 4
f2 f +f
1 4
f3 f +f
2 4
f4 f +f
3 4
1)
fg fg
--- ---
fs f +f
s 5
Edition p3_3_2x 08/09
Command output in the remote station
---
CO1
CO2
CO1 + CO2
CO3
CO4
CO3 + CO4
CO1 + CO3
CO1 + CO4
CO1 + CO3 + CO4
CO1 + CO2 + CO3
CO2 + CO3
CO2 + CO4
CO2 + CO3 + CO4
CO1 + CO2 + CO4
CO1 + CO2 + CO3 + CO4
---
Command output in the remote station
---
CO1
CO2
CO3
CO4
---
Alarm signaling
---
Functional Description
2)
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