Encoder (15W HDD socket)
These inputs are for encoder based feedback systems for motor speed sensing. The high density 15‐way ‘D' sockets are designed to accept
RS422 compliant signals.
Pin number
Function
1
Not connected
2
0 V supply
3
Not connected
4
Not connected
5
- B signal
6
- A signal
7
+ 5.25V supply
8
+ 5.25V supply
9
0 V supply
10
Not connected
11
Not connected
12
Not connected
13
+ B signal
14
+ A signal
15
0 V supply
Shell
Screen
Supply 5.25 V at 350 mA from each encoder connector.
SPA3 installation guide
www.renishaw.com
Issued 11 2020
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