6.2.2 Signal contacts
Collective fault signal "ssm"
potential-free changeover contact
Fig. 2, item 7
Single operation signal Master
"ebm-ma"
potential-free normally open
contact
Fig. 2, item 8
Contact is activated parallel to the
"Single or double pump operation
ma" signal lamp.
Single operation signal Slave
"ebm-sl"
potential-free normally open
contact
Fig. 2, item 9
Contact is activated parallel to the
"Double pump operation sl" signal
lamp.
Tab. 6
CAUTION!
The potential-free signal contacts may only be operated with one type of
operating voltage (e.g.: 230 VAC or 24 VDC).
Installation and operating instructions Wilo-Control DigiCon/DigiCon-A
DigiCon-A
Contact in neutral position:
• Pump not faulty.
Contact activated:
• Pump is defective, cf. Installation and operating
instructions for the pump concerned.
Contact open:
• Single pump or double pump ma stationary.
Contact closed:
• Single pump or double pump ma is operating.
Contact open:
• Double pump sl stationary.
Contact closed:
• Double pump sl is operating.
English
29