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CNC 8
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N
EW
F
EATURES
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OFT
M: 9.1
X
)
4.1
Connectors and connection
Connectors X1, X2,
X3, X4
Differential TTL and 1Vpp sinusoidal feedback signals
They are 25-pin female connectors of the SUB-D HD type and they
are used for the feedback system connections of the axes. They admit
differential TTL and 1Vpp sinusoidal feedback signals.
It detects overcurrents or short-circuits at the feedback devices
issuing the relevant error message.
"Supply voltage error on axis feedback *".
Each connector may be connected to one axis. g.m.p. AXIS1 (P0),
AXIS2 (P1), AXIS3 (P2) and AXIS4 (P3) must be set to let the CNC
know which axis has been connected to each one of them.
The cable must have overall shielding. The rest of the specifications
depend on the feedback system used and the cable length required.
All shields must only be connected to ground at the CNC end leaving
the other end free. The wires of the shielded cables cannot be
unshielded for more than 75mm (about 3 inches).
It is highly recommended to run these cables as far as possible from
the power cables of the machine.
When connecting handwheels, they must be differential as well as the
axis selector signal. The axis selector signal must be connected to
pins 5 and 6.
Non-differential handwheels (for example Fagor 100P) may be
connected using either the Fagor signal adapter “SA-TTL-TTLD"
(from "non-differential TTL to differential TTL) or connectors X5 and
X6.
Pin
Signal and Function
1
2
3
4
5
6
7
8
Ac
/Ac
Bc
/Bc
IOc
/IOc
ALc
/Alc
Differential feedback signals
9
10
11
12
13
14
15
+5V
+5V
GND
GND
----
----
Chassis
+5V output for feedback
+5V output for the velocity command
0V output for feedback
0V output for the velocity command
Shield
Summary of Contents for CNC 8055
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Page 2: ...Pág 2 de 2 CNC 8055 CNC 8055i NEW FEATURES SOFT M 7 XX SOFT M 7 1X ...
Page 45: ...User notes NEW FEATURES SOFT M 7 XX Page 41 of 50 CNC 8055 CNC 8055i ...
Page 46: ...User notes NEW FEATURES SOFT M 7 XX Page 42 of 50 CNC 8055 CNC 8055i ...
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