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Input / Output 4-15MN1901
4.4.2 Master (auxiliary) encoder input - X9
Location Connector X9
Pin Encoder name Pulse & direction name
1 CHA+ Pulse+
2 CHB+ Direction+
3 CHZ+ -
4 (NC) -
5 DGND -
6 CHA- Pulse GND
7 CHB- Direction GND
8 CHZ- -
9 +5V out -
Description Optically isolated encoder or pulse and direction input on
a 9-pin female D-type connector.
Sampling interval: 1 or 2ms
The MintDrive
II
provides an auxiliary (master or handwheel) encoder input that allows it to
follow a master encoder or pulse and direction inputs. 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. The interface also provides an
isolated 5V supply for the encoder electronics, capable of driving up to 100mA.
CAUTION: The master encoder input does not use the same pin configuration as
some Baldor controllers such as NextMove BX.
Vcc
MintDrive
II
1k51k5
3k3
AM26LS32
Differential
line recei ver
to CPU
EMIF01
ESD
protection
150R
2.2nF
150R
CHA+
CHA-
1
6
‘X3’
Figure 38 - Master encoder channel input circuit - Channel A shown
1
5
6
9
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