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Siemens
Standard application AHU
CE1P3977en_02
Building Technologies
Appendices
01.02.2010
20.2 Diagnostic tables for check I/O
The clear text from the following tables cannot be configured, but is required for a
function as well as determining if inputs or outputs are occupied in duplicate.
1rst notconf IO Pos = 82 => Input external control 2 is not assigned an input
(Nusd).
Caution: The plant is locked against switch on!
Doubled config I/O = Yes
Doubled config I/Os = 82 81
Doubled conf I/O pos = DI3
Inputs External contrl 1 and 2 were assigned the same output DI3.
Caution: The plant is locked against switch on!
Name
Type Position
(IO
Check)
Name
Type Position
(IO
Check)
Temperature supply
AI
1
Temperature Aux
AI
12
Temperature room 1
AI
2
Pressure supply
AI
21
Temperature rum 2
AI
3
Pressure return
AI
22
Temperature return
AI
4
Flow supply
AI
23
Temperature out
AI
5
Flow return
AI
24
Temperature frost
AI
6
Pressure over recovery
AI
25
Temperature water recovery
AI
7
Humidity supply
AI
31
Temperature exhaust
AI
8
Humidity room
AI
32
Temperature supply after recovery
AI
9
Humidity out
AI
33
Temperature supply Extra seq.
AI
10
Air quality
AI
35
Temperature frost Extra heat
AI
11
External setpoint
AI
36
Example 1
Example 2
Analog inputs
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 232
