￭ Multidrive modules
Safely-limited speed function is not available as an option from ABB. However, the cabinet
builder can implement it with an optional safety module available from ABB. See Implementing
the functions provided by the FSO-xx safety functions module (page 36).
Implementing the functions provided by the FSO-xx safety
functions module
￭ Cabinet-installed multidrives
You can order the drive with an FSO-12 or FSO-21 safety functions module (option +Q972
or +Q973) which enables the implementation of functions such as Safe brake control (SBC),
Safe stop 1 (SS1), Safe stop emergency (SSE), Safely limited speed (SLS) and Safe
maximum speed (SMS).
The settings of the FSO-xx module are at default when delivered from the factory. The wiring
of the external safety circuit and configuration of the FSO-xx module are the responsibility
of the user.
The FSO-xx module reserves the standard Safe torque off (STO) connection of the inverter
control unit. STO can still be utilized by other safety circuits through the FSO-xx.
See the appropriate manual for more information.
CodeName
3AXD50000015612FSO-12 safety functions module user's manual
3AXD50000015614FSO-21 safety functions module user's manual
￭ Multidrive modules
You can order a safety function module from ABB. The cabinet builder can use the module
for implementing various safety functions.
Supplying power for the auxiliary circuits
￭ Cabinet-installed multidrives
The drive is equipped with an auxiliary voltage transformer which supplies, for example,
control unit(s) and cooling fan(s).
The user must supply these options from external power sources:
• +G300/+G301: Cabinet heaters and/or lighting (230 or 115 V AC; external fuse: 16 A gG)
• +G307: Connection for an external uninterruptible power supply (230 or 115 V AC;
external fuse 16 A gG)
• +G313: Power supply connection for a motor space heater output (230 V AC; external
fuse 16 A gG).
￭ Multidrive modules
The cabinet installer must connect an auxiliary power supply for the drive. Auxiliary power
is needed, for example, by the control units and cabinet fan(s). See the appropriate hardware
manuals for the auxiliary power consumptions, connections, etc.
36 Electrical planning guidelines
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