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Output signals
Ti digital interface output
Function
Output type
Power
-
Incremental
RS422A digital
Reference mark
RS422A digital
Limits
Open collector
Set-up
RS422A digital
Alarm
2
-
-
Shield
-
NOTE: T2000 series readheads are fitted with P and Q 'end of travel' limit switch sensors, typically used for linear motion
applications. P and Q limit actuators are not suitable for ring encoder installations. Limit switch signal detail is included here
for information only. Please contact your local Renishaw representative if you require limits on your rotary installation.
1
Becomes alarm (E+) for Ti options E, F, G, H
2
The TONiC interface must be configured for line driven alarm.
3
DSi alarm formats can be 3-state or line driven. Please specifiy at time of ordering.
4
Limit switch outputs are taken directly from the readhead connected to input 1.
36
TONiC
REXM20 / REXT20 angle encoder system installation guide
™
Signal
Pin
5 V
7, 8
0 V
2, 9
+
14
A
−
6
+
13
B
−
5
+
12
Z
−
4
1
P
11
Q
10
X
1
+
-
E
–
3
Inner shield
-
Outer shield
Case
15-way D-type plug
DSi output
Function
Output type
Power
-
Incremental signals
RS422A digital
Reference mark
RS422A digital
Alarm
3
RS422A digital
Limits
4
Open collector
Initialisation status
Open collector
-
Shield
-
Do not connect
-
Signal
Pin
5 V power
26
5 V sense
18
0 V power
9
0 V sense
8
+
24
A
−
6
+
7
B
−
16
+
15
Z
−
23
E+
25
E−
17
P
4
Q
13
K
3
Inner
Not connected
Outer
Case
1, 2, 5, 10, 11, 12,
-
14, 19, 20, 21, 22
26-way high-density
D-type plug
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