+V scale can be adjusted independently for each scale interface port.
If the scale power sense wires are connected to the respective scale power supply signals at the readhead, the voltage will automatically adjust
to ma5 V at the readhead.
If the sense wires are open circuit then the voltage can be adjusted through the UCCsuite software. In both cases the scale supply voltage is
nom5 V and can be adjusted to a maximum of +7 V. The sense and supply signals should be connected as close to the encoder as
possible (see diagram below):
The scale inputs support a quadrature waveform with a minimum edge separation of 50 ns, which equates to 20 million counts per second
with an ideal waveform.
Encoder resolution
Maximum move speed
1 µm
20 m/s
0.1 µm
2 m/s
50 nm
1 m/s
1 nm
0.02 m/s
UCC MMI-2 scale signal interface circuit
UCC MMI-2 installation guide
www.renishaw.com
Issued 08 2020
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