Communication Interfaces: Setting And Function; Application And Function Of Ssm Relay - Wilo Stratos GIGA2.0-I Notice De Montage Et De Mise En Service

13 Communication interfaces:
Setting and function
13.1 Application and function of SSM
relay
Installation and operating instructions Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D

Communication interfaces: Setting and function

Case 4 – parallel operation: only the partner pump is running.
Indication on the display of the main
pump
Case 5 – parallel operation: only the main pump and partner pump are running.
Indication on the display of the main
pump
In the "Settings" menu , select
1. "External interfaces".
Possible selection:
External interface
‣ Function SSM relay
‣ Function SBM relay
‣ Function control input (DI1)
‣ Function control input (DI2)
‣ Function analogue input (AI1)
‣ Function analogue input (AI2)
‣ Function analogue input (AI3)
‣ Function analogue input (AI4)
‣ Setting Wilo Net
‣ Setting Bluetooth
Table 32: Selection "External interfaces"
The contact of the collective fault signal (SSM, potential-free changeover contact) can
be connected to a building automation system. The SSM relay can either switch on only
in case of fault or for faults and warnings. The SSM relay can be used as a normally
closed contact or a normally open contact.
ƒ
When the pump is without power, the NC contact is closed.
ƒ
If there is a fault, the contact at NC is open. The converter bridge to NO is closed.
In the "Settings" menu , select
1. "External interfaces"
2. "SSM relay function".
Possible settings:
Selection option
Only fault (factory setting)
Faults and warnings
Table 33: Function SSM relay
After confirming one of the selection options, the SSM trigger delay and SSM reset
delay are entered.
Setting
SSM trigger delay
Indication on the display of the partner
pump
Indication on the display of the partner
pump
Function SSM relay
SSM relay connects only in case of fault. Fault
means: the pump is not running.
SSM relay connects only in case of fault or a warn-
ing.
Range in seconds
0 s to 60 s
en
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