Useful information

TTL ( 5V square signs) inkrementális distribution:

Function	Really old types, “museum” ones	Old types	Modern(current) types	12-pin (rounded) Heidenhain connector
5V	brown	thick brown	brown-green	12
0V	white	thick white	white-green	10
A	green	brown	brown	5
A negated	yellow	green	green	6
B	blue	grey	grey	8
B negated	red	pink	pink	1
C	grey	red	red	3
C negated	pink (or orange)	black	black	4
Sensor 5V	(none)	blue	blue	2
Sensor 0V	(none)	white	white	11
Uas negated	(old types)	lilac	lilac	7
non contact			yellow	9

„C” reference sign, by other product R (reference) M (marker) I (index) 0 (zero) to Z (zero), etc.
0V and 5V sensor: control voltage from the consumer (linear or angle encoder) to the voltage source (CNC control, drives module position display, etc.) to the actual supply voltage, which is generated due to the voltage drop of potential for many meters of cable.
UAS negated: the ready signal to the user’s side. If the measuring system (linear, angle encoder, etc.) feels itself that it works perfectly, it gives logically a high level of approx. 3.5 volts. In the case of trouble sense it becomes logical low.
This color coding is used by Heridenhain, Balluff, Siemens and a few others, but not everyone …

Function	Color of cable-core	9-pin (rounded) Heidenhain connector
5 V	brown	3
0 V	white	4
A	green	1
A negated	yellow	2
B	blue	5
B negated	red	6
C	grey	7
C negated	pink (or orange)	8
non contact		9

In case of low-profile linear encoders the fitting distance of reader unit is between 1 mm +/- 0.3 mm.

In case of high-profile linear encoders the fitting distance of reader unit is between 0,5 mm +/- 0,3 mm.

We come soon with the rest of listing of sign- protocol as well.

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