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6. Electrical installation
Festo P.BE-CMMD-AS-HW-EN 1002NH
111
6.4.8
Synchronisation control [X10.1/2]
The interface is bidirectional. It allows A/B track signals to be output in the "master axis"
mode, or alternatively processing of A/B, CLK/DIR or CW/CCW control signals in the "slave
axis" mode.
Pin
Designation
Value
Specification
1
A/CLK/CW
5 V, Ri = 120
Incremental encoder signal A
Pulse CLK
Cycles clockwise CW
Positive polarity in accordance with RS422
2
B/DIR/CCW
5 V, Ri = 120
Incremental encoder signal B
Direction DIR
Cycles counterclockwise CCW
Positive polarity in accordance with RS422
3
N
5 V, Ri = 120
Incremental encoder zero pulse N
Positive polarity in accordance with RS422
4
GND
–
Reference GND for the encoder
5
VCC
+5 V +–5%, 100 mA Auxiliary supply, max. load 100 mA, short-circuit
proof
6
A–/CLK–/CW–
5 V, Ri = 120
Incremental encoder signal A
Pulse CLK
Cycles clockwise CW
Negative polarity in accordance with RS422
7
B–/DIR–/CCW–
5 V, Ri = 120
Incremental encoder signal B
Direction DIR
Cycles counterclockwise CCW
Negative polarity in accordance with RS422
8
N–
5 V, Ri = 120
Increment generator zero pulse N,
Negative polarity in accordance with RS422
9
GND
–
Screen for the connecting cable
Table 6.14 Pin allocation: Incremental encoder output / pulse, direction input [X10]
6.4.9
SD card [M1]
The optional SD card is intended for downloading firmware or saving parameters. The
interface is allocated in accordance with the SD card specifications. Alternatively, an MMC
card can be used.
Type on device
1 x 12-pin SD card slot