salmson MULTI-VE 2G Instructions De Montage Et De Mise En Service page 21

ENGLSIH
3) In mode with external control : Mode 3
- The remote control allows the switching
On or Off of the pump (free contact),
this function has priority on the others.
- This remote control can be removed
by shunting the terminals (3 and 4).
CONNECTION FOR THE SERIE CONTACTS
- The speed variator is fitted with 2 output relays
with free contact" aimed for
an interface to centralized control.
For example : control box, pumps control...
1) "Unavailable transfer" relay : SBM (see fig. 4)
- feature of the contact .................................................
When a first defect appears or by main
supply cutoff (the pump stops), the contact is closing.
Information is given to the control box,
regarding the un-availability of the pump,
even temporarily.
- The relay is activated when the pump
runs or is in a position to run.
2) "Failures transfer" relay : SSM (see fig. 4)
- feature of the contact.............................................
- After a series of detection (from 1 to 6
according to significance) of the same type of defect,
the pump stops and this relay is activated.
(up to manual action)
MODE 3
aux
1 2 3
Remote
control
Examples :
Float switch, pressure gauge for dry-running...
Example : 6 defects with a variable time-limit on 24
free contact
250V/1A
Defects
Active
relay
SBM
relay
Active
relay
SSM
relay
21
ext.off MP 20mA/10V
4 5 6 7 8 9
External set
value
TERMINAL FOR THE SERIE CONTACTS
sliding hours according to the following scale :
1 2 3
Rest
Rest
24H00 sliding
DDS
10 11
4 5 6