User Manual – Rev B
FCS Series II
3.8 Multi-box Configurations (-MB Option)
Multi-box configurations are
has its own controller. When
identical to a two or three box system except each chassis (box)
connected as a multi-chassis system through the system interface,
The benefit of the –MB option is that both units can be separated and operated independently.
To so do, proceed as follows:
1. Turn off both units.
her.
stem interface cable between the two (or three) units.
h
will power up as a stand-alone unit. Connection diagrams for a –
MB system are identical to those for a FCS36/2 or FCS36/3. See section 3.5.3, Figure 3-2 and
Figure 3-5 for wiring diagrams.
3.8.1 Powe
n sequence.
the controller in the auxiliary chassis is disabled and the entire system is controller from the
master unit. Operation is identical to a normal multi-box model. E.g. a FCS36/2-MB is connected
and operated the same way as a FCS36/2. While a FCS36/2 will have once chassis with a
blank front panel, a FCS36/2-MB will have a controller on both front panels of which only one is
used when configured as a FCS36/2. The other controller will display a message indicating it is
operating as an auxiliary unit
2. Disconnect the output terminals (A, B, C, NEUT) from each ot
3. Disconnect the sy
W en powered up, each unit
r Up and Power Dow
A multi-box FCS system can be turned on in either order. Generally, it is recommended to turn
on the auxiliary unit before turning on the master unit and turn off in the opposite order but no
damage will occur if the order is reversed.
Note: It is not recommended to turn off either unit without turning off the other unit and
then turning it back on. This may result in miscellaneous error messages
occurring on the unit that was not powered down. If one unit has been turned off,
turn off all units first before turning the system back on.
If a master unit is to be used by itself, it is not sufficient to just leave the auxiliary unit off while
the system interface cable remains connected. Disconnect the system interface from the back of
the master unit and then turn the unit on for stand-alone use.
1
This message will disappear when the controls on the auxiliary unit are operated. However, changing settings on
the auxiliary unit controller will not affect the output. Use the master unit controller and or remote control interface to
operate the system.
California Instruments
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