57
2- and 3--Channel Brushless DC Servo Controller
A.3
Rear Panel USER IO Connector
The ‘USER I/O’ connector is a male, 15 pin D-Type that exposes a number of
electrical signals useful for monitoring purposes or fault diagnosis.
Notes.
(i)
Or general purpose digital input - see Section A.3.2.
(ii)
Or general purpose digital output (open collector) - see Section A.3.1.
(iii)
Buffered versions of Encoder Quadrature signal for monitoring purposes
(iv)
Encoder index (or reference) signal for monitoring purposes
Fig. A.3 USER I/O connector pin identification
Pin
Description
Pin
Description
1
5V
9
(iii)
QA+
2
(i)
Trigger In
10
(iii)
QA-
3
(ii)
Trigger Out
11
(iii)
QB+
4
Ground
12
(iii)
QB-
5
Ground
13
(iv)
Index/Ref+
6
For Future Use
14
(iv)
Index/Ref-
7
For Future Use
15
Ground
8
For Future Use
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
