Ssm And Sbm Connection; Connection Of Digital, Analogue And Bus Inputs - Wilo Yonos GIGA2.0-I Einbau- Und Betriebsanleitung
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7.2
SSM and SBM connection
18 19 20
21 22 23
Fig. 24: Terminals for SSM and SBM
7.3
Connection of digital, analogue
and bus inputs
1
2
3
4
Fig. 25: Shield clamp
Installation and operating instructions • Wilo-Yonos GIGA2.0-I/-D • Ed.01/2023-03
Fuse protection on mains side: max. 25 A (for 3~)
Mains-side fuse protection: max. 16 A (for 1~)
The mains-side fuse protection must correspond to the electrical configuration of the pump.
Circuit breaker
The use of a circuit breaker is recommended.
NOTICE
Circuit breaker trigger characteristic: B
Overload: 1.13 – 1.45 x I
Short-circuit: 3 – 5 x I
SSM (collective fault signal) and SBM (collective run signal) are connected to terminals
18 ... 20 and 21 ... 23.
The cables of the electrical connection for SBM and SSM do not have to be shielded.
NOTICE
A maximum of 230 V may be applied between the contacts of the relays of
SSM and SBM, never 400 V!
When using 230 V as a switching signal, the same phase must be used
between the two relays.
SSM and SBM are designed as changeover contacts and can each be used as a normally open
contact or normally closed contact. When the pump is voltage-free, the contact is normally
closed contact. The following applies to SSM:
•
If a fault is present, the contact at NC is normally open contact.
•
The converter bridge to NO is closed.
The following applies to SBM:
•
Depending on the configuration, the contact is set to NO or NC.
The cables of the digital input, the analogue inputs and the bus communication must be
shielded via the metal cable gland of the cable entry (Fig. 19, Items 4, 5 and 6). See Fig. 25 for
shielding.
When used for extra-low voltage cables, up to three cables can be passed through for each
threaded cable gland. Use the appropriate multiple sealing inserts for this purpose.
NOTICE
Threaded cable glands M20 and seal inserts must be provided on-site.
NOTICE
If two cables are to be connected to one 24 V supply terminal, provide a
solution on-site!
Only one cable per terminal may be connected to the pump!
NOTICE
The terminals of the analogue inputs, digital inputs and Wilo Net meet the
"safe isolation" requirement (according to EN 61800-5-1) to the mains
terminals, the terminals SBM and SSM (and vice versa).
nom
nom
en
147
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