42
3.4.2
Master (auxiliary) encoder input - X6
Location
Connector X6
Pin Name
1 CHA+
2 CHB+
3 CHZ+
4 (
not connected
)
5 DGND
6 CHA-
7 CHB-
8 CHZ-
9 +5V
Description
Optically isolated encoder input on a 9-pin female
D-type connector
The MintDrive provides an auxiliary (master or handwheel) encoder input which allows following of a
master encoder. An interface for a three channel, incremental encoder (CHA, CHB, CHZ) is provided.
The input receiver circuit allows only encoders with differential line drivers (RS422) to be used.
Single-ended operation is not supported. The interface also provides an isolated 5V supply for the
encoder electronics, capable of driving up to 100mA. These inputs are sampled every 0.5, 1 or 2ms.
CAUTION
:
The auxiliary encoder input does not conform to the standard on other Mint based
controllers such as NextMove.
CHA+
CHA--
CHB+
CHB--
+5V
DGND
1
6
2
7
3
8
9
5
X6
Encoder
CHZ+
CHZ--
Connection of shields
to digital ground is optional.
Connector backshell
Twisted pairs
Figure 21 - Differential encoder connections
1
5
6
9
Содержание MintDrive
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