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8.7.33 Digital outputs (4.3.9)
Fig. 81 Digital outputs
Description
Each digital output can be activated and related to a certain
function.
As standard, the system has two digital outputs.
If the system incorporates an IO 351B module (option), the
number of digital outputs is 9.
All digital outputs are shown so that their physical position in the
system can be identified.
Example
DO1 (IO 351-41) [71]:
For further information on the connection of various digital
outputs, see the wiring diagram supplied with CU 352.
8.7.34 Function of digital outputs (4.3.9.1 - 4.3.9.16)
Fig. 82 Function of digital outputs
Description
A function can be related to the individual outputs.
Setting range
You can select one function in each display:
• No function
• Operation, system
• Alarm, system
• Warning, system
• Ready, system
• Water shortage
• Min. pressure
• Max. pressure
• Emergency run
• Operation, pilot pump
• Pressure relief valve
• Pump outside duty range
• Operation, pump(s)
• Operation, pump 1-6
• Alarm, pump 1
• Alarm, limit 1 exceeded
• Warning, limit 1 exceeded
• Alarm, limit 2 exceeded
• Warning, limit 2 exceeded
• Reduced operation.
Setting via the operating panel
• Settings > Secondary functions > Stop function > Go to setting
of digital input.
Factory setting
8.7.35 Analog outputs (4.3.10)
Fig. 83 Analog outputs
Description
CU 352 does not have analog outputs as standard, but the
system can be fitted with an IO 351B module with three analog
outputs.
Setting via the operating panel
• Settings > Secondary functions > Analog outputs.
TM03 2333 4607
DO1 Digital output No 1
(IO 351-41) IO 351B, GENIbus number 41
[71] Terminal No 71
Digital output Function
DO1 (CU 352) [71] Alarm, system
DO2 (CU 352) [74] Operation, system
This display only appears if an IO 351B module is
installed.
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