Ssm/Sbm Relay Forced Control; Application And Function Of The Digital Control Inputs Di1 And Di2 - Wilo -Stratos GIGA2.0-I Einbau- Und Betriebsanleitung

13.3

SSM/SBM relay forced control

13.4 Application and function of the di-
gital control inputs DI1 and DI2
Installation and operating instructions • Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D • Ed.02/2022-07
• EBM The SBM function of the twin-head pump can be configured so that the SBM con-
tacts signal only operational messages of the respective pump (individual run signal). In
order to record run signals of both the pumps, both contacts must be assigned.
An SSM/SBM relay forced control is used as function test of the SSM/SBM relay and elec-
trical connections.
In the "Diagnostics and measured values" menu
1. "Diagnostics help"
2. "SSM relay forced control" or "SBM relay forced control" in sequence.
Selection options:
SSM/SBM relay
Forced control
Normal
Forced active
Forced inactive
Table 38: Selection option SSM/SBM relay forced control
The "Forced active" setting permanently activates the relay. A warning/operating note
(light) is permanently displayed/indicated.
The "Forced inactive" setting leaves the relay permanently without a signal. No warning/
operating note can be confirmed.
The pump can be controlled through external potential-free contacts at the digital inputs
DI1 and DI2. The pump can be
• switched on or switched off,
• controlled to maximum or minimum speed,
• set manually into an operating mode,
• protected against changes of settings through control or remote control or
• switched between heating and cooling.
For a detailed description of the OFF, MAX, MIN and MANUAL functions, see "Settings menu
– Manual operation" [} 186] section.
In the "Settings" menu , select
1. "External interfaces"
2. select "Function control input DI1" or "Function control input DI2".
Possible settings:
Selection option
Not used
External OFF
External MAX
External MIN
, select
Help text
SSM: Depending on the SSM configuration, fault and
warnings influence the SSM relay switching status.
SBM: Depending on the SBM configuration, the pump
status influences the SBM relay switching status.
SSM/SBM relay switching status is forced ACTIVE.
CAUTION:
SSM/SBM does not display the pump status!
SSM/SBM relay switching status is forced INACTIVE.
CAUTION:
SSM/SBM does not display the pump status!
Function control input DI1 or DI2
The control input does not have a function.
Contact open: Pump is switched off.
Contact closed: Pump is switched on.
Contact open: Pump is running in the mode set on
the pump.
Contact closed: Pump is running with maximum
speed.
Contact open: Pump is running in the mode set on
the pump.
Contact closed: Pump is running with minimum
speed.
en
195