Characteristic
Description
Signal interface
RS485 or 5 V (half RS485 referenced to 2.05 V)
Galvanic insulated
No
Line termination
On-board, 120 Ω in series with 680 pF
Interface type / input
frequency
●
5 V open collector
Depends on driver and pull-up resistor
●
TTL
1 MHz
●
RS485
10 MHz
Sink and source current According to RS485 specification
Supply for signal source Enc5V may be used (take care of current limit).
Power supply for the encoders on both axes can be
switched on/off separately for each axis.
Pull-up resistor for open
collector driver
Not included.
Tab. 10-13:
Characteristics of the 5 Volt digital inputs and counter inputs
Node
[See Note 1]
SN65HVD485
120
W
680 pF
DGND
330 pF
330 pF
A
B
EncVref
EncGND
EncVref
EncGND
RS485 output
Dig5VIn
EncVref
EncGND
+
-
signal
RS485 differential input signals
5 Volt input signals
Node
Node
Application
Application
[See Note 2]
[See Note 2]
Dig5VIn
Dig5VIn
+
-
Dig5VIn
Dig5VIn
+
-
Dig5VIn
Gnd
Gnd
Enc5V
Enc5V
switch
open
collector
totem
pole
R
R
Fig. 10-15:
Input circuit of the digital inputs and 2 connection examples
Notes
1. Connect the NYCe 4000, power supplies or other equipment on a metal
frame or mounting base and make sure there is a galvanic contact.
2. EncVref and EncGND are allowed to be used.
Follow these cabling instructions:
●
Always use a shielded cable.
●
The shielding on the NYCe 4000 side of the cable must be connected to
Shield (house connector).
●
If the equipment on the application side is metal, connect the shield to
the equipment housing.
118/233
NY4130: DC Drive Module
NYCe 4000 Multi-axis motion control system Hardware Sys‐
tem Manual
Bosch Rexroth AG R911337671_Edition 18
Содержание R911172904
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