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3.5 Linear Scale Connection
3-39
3.5.3 Linear Scale Connection Examples
The following diagrams show connection examples of the linear scale, the SERVOPACK, and the host con-
troller.
(1) Incremental Linear Scale
Linear Scale Made by Heidenhain
Linear Scale Made by Renishaw plc
represents shielded twisted-pair wires.
∗
∗
∗
1
9
3
7
4
2
11
14
1COS PS
/PS
PG5V
PG5V
PG0V
PG0V
SIN
REF
/REF
5V
0V
/SIN
/COS
2
6
1
5
5
6
1
2
CN2
9
3
7
4
2
11
14
CN2 CN1
CN1
CN1
35
0V 0V
SG
1
PAO
/PAO
PBO
/PBO
PCO
/PCO
33
34
36
19
20
∗
R
R
R
Serial converter unit
Linear scale
made by Heidenhain
Shielded wire
Connector
shell
Output line-driver
SN75ALS194 manu-
factured by Texas
Instruments or the
equivalent
Phase A
Phase B
Phase C
SERVOPACK
Connector
shell
Connector
shell
Connector
shell
Connector
shell
Shielded wire
Host controller
Phase A
Phase B
Phase C
R (terminating resistance): 220 to 470 Ω
Applicable line receiver:
SN75ALS175 or MC3486
manufactured by Texas
Instruments,
or the equivalent
∗
∗
∗
9
1
10
11
4
12
2
3
9
1
10
11
4
12
2
3
COS PS
/PS
PG5V
PG0V
SIN
REF
/REF
5V
0V
/SIN
/COS
2
6
1
5
CN2
CN1
PG5V
PG0V
5
6
1
2
CN2 CN1
CN1
35
0V 0V
SG
1
PAO
/PAO
PBO
/PBO
PCO
/PCO
33
34
36
19
20
∗
R
R
R
Connector
shell
Connector
shell
Connector
shell
Connector
shell
Connector
shell
Output line-driver
SN75ALS194 manu-
factured by Texas
Instruments or the
equivalent
Shielded wire
Shielded wire
represents shielded twisted-pair wires.
Serial converter unit
SERVOPACK
Phase A
Phase B
Phase C
Phase A
Phase B
Phase C
Host controller
Linear scale
made by Renishaw plc
R (terminating resistance): 220 to 470 Ω
Applicable line receiver:
SN75ALS175 or MC3486
manufactured by Texas
Instruments,
or the
equivalent