Festo Checkbox Compact CHB-C-X, Manual

Page: 68 / 148

4. I/O module extensions of the CHB−C−P/..X
4−4
Festo P.BE−CB−COMP−en en 0503c
4.2 ENCODER
If high demands are placed on the accuracy of the length of
the test part, you can connect a rotary pulse generator to the
ENCODER connection for determining the speed of the con
veyor system (see Accessories, appendix A.6).
Pin ENCODER connector socket
Interface for rotary pulse generator as per
RS485 specification
1 A+
2 n.c.
3 B+
2
4
5
4 A−
1
3
4
5
8
5 B−
1
3
6 7
8
6 5 V supply
1)
6 7
7 GND
8 n.c.
1)
Maximum loading 180 mA
Tab.4/1: ENCODER connector socket
Please note
Observe the following when connecting a rotary pulse
generator:
·
Do not connect the potentials of the ENCODER connec
tion with other potentials.
·
Use only suitable rotary pulse generators, e.g. encoders
from the Festo range.
Operating system version ...E must be used for evaluating the
encoder signals.