Installation
User manual 57120_hdb_en_12
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Fixing the shielding
The shield bus carrier and the shield bus have been plugged in.
Fasten the cables with the stripped cable shielding.
Connect the shield terminal block to the shield bus.
7.7
Fuse protection
7.7.1
Power modules
Fuse protection of the
power supply
CAUTION!
The power supply of the power module is not internally fuse-protected
Without protection, the power modules can be destroyed.
The power supply must be fuse-protected externally according to the cor-
responding maximum current!
For up to 10 A use a 10 A fuse (fast) or a 10 A circuit breaker of charac-
teristic Z!
Fuse protection of the
electronics supply
The electronics supply of the power module is internally protected
against excessive voltage. The fuse is located inside the power module.
Replace the power module if the fuse has tripped!
Power module art. no.
57131
Fuse protection of the power module electronics supply of the I/O level
Fuse-protect the electronics supply externally!
Use:
A 1 A fuse (fast)
or
a 1 A circuit breaker of characteristic Z
or
MICO load circuit monitoring,
e.g. MICO 4.4, Art.-No. 9000-41034-0100400
7.7.2
System
Fuse protection of the power supply
The power supply is not internally fuse-protected
The power supply must be fuse-protected externally according to the cor-
responding maximum current!
For up to 10 A use:
A 10 A fuse (fast)
or
a 10 A circuit breaker of characteristic Z
or
MICO load circuit monitoring,
e.g. MICO 4.10, Art.-No. 9000-41042-0401000
