4
Install the option board into the correct slot: C, D or
E. See Table 32.
a
)
The option board has a slot coding, because of
which it is not possible to install the option
board in an incorrect slot.
B
A
A. The slot coding
B. The option board slots
5
Close the cover of the control unit. Put the cover of
the AC drive back.
6.5
INSTALLATION OF A BATTERY FOR THE REAL TIME CLOCK (RTC)
To use the Real Time Clock (RTC), you must install a battery in the drive.
1
Use a ½ AA battery with 3.6 V and a capacity of
1000-1200 mAh. You can use, for example, a
Panasonic BR-1/2 AA or a Vitzrocell SB-AA02.
2
Install the battery on the left side of the control
panel. See Fig. 38 The components of the control unit.
The battery will last approximately 10 years. See more about the functions of the RTC in the
Application Manual.
6.6
GALVANIC ISOLATION BARRIERS
The control connections are isolated from mains. The GND terminals are permanently
connected to I/O ground.
The digital inputs on the standard I/O board can be galvanically isolated from the I/O ground.
To isolate the digital inputs, use the DIP switch that has the positions FLOAT and GND.
CONTROL UNIT
VACON · 105
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