47 - 23/May/97
2.1.3 Resolver Wiring
Each DBM module can be connected up to 3 resolvers via the following connectors:
J4 M1 : axis 1 resolver
J5 M2 : axis 2 resolver
J6 M3 : axis 3 resolver
A cable with 4 pair, each pair twisted and individually shielded with an independent overall
shield is recommended. 22 AWG ( 0.38mm
2
) to 20 AWG ( 0.6 mm
2
) can be used.
Resolver cables must be separated from power cables by a distance of 30cm (12 inches)
by using a independent duct (conduit). It is recommended to avoid intermediary connections
for resolver cables.
Figure 2.3 shows the wiring lay-out of the resolver with differential output.
2.1.3 Motor Power Wiring
There are seven different motor power connections, depending on module configuration
(See Fig. 1.12 and 1.13).
REMARK: motor power cables must be shielded.
2.1.5 Signals Wiring
All the enable signals and OK signals must be connected.
REMARK: it is suggested to connect the isolated output "DRIVE OK" to a remote control
switch so that, if a fault occurs, the power supply is disconnected to avoid system
damages.
2.1.5.1 Simulated Encoder Signals Wiring
Encoder signals cable must be shielded. For lengths in excess of 5 m (16 ft.) the cable must
have 3 pairs, each pair twisted.
REMARK: in noisy environments it is suggested to connect a 220
÷
680
Ω
resistor between
A and A, B and B, C and C at the receiver input.
2.1.6 Serial Link Wiring
CAUTION: the serial link must be shielded and must be separated from the
power cable through the use of independent duct (conduit).
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