Leadshine SMC6480 - General Purpose Digital Input; Isolated General Purpose Digital Inputs; Non-Isolated General Purpose Digital Inputs

SMC6000 Series Motion Controller Hardware Installation Manual
15
HWMN-SMC6-R20120417
24V+
E-stop Switch
EMG
EXGND
Filter
SMC6400
EXGND
Figure 3-5: Emergency Stop Signal EMG Input Circuit
3.5 General Purpose Digital Input
Leadhine SMC6000 motion controller has 16 isolated and 16 non-isolated general purpose digital inputs which can
be connected to switch, sensor or output signals form other controller.
3.5.1. Isolated General Purpose Digital Inputs
The input circuit is shown in figure 3-6. See table 2-3 for pin assignment of isolated general purpose inputs.
24V+
General Purpose
Digital Input
IN1 (IN2~IN16)
EXGND
Filter
SMC6000
EXGND
Figure 3-6: Isolated General Purpose Digital Input Circuit
3.5.2. Non-isolated General Purpose Digital Inputs
The non-isolated general purpose digital inputs are assigned in the expansion I/O connector and it is required to add
isolated device for those inputs when connected to peripheral equipment. Leadshine also provides optional terminal
board ACC37-7480 to user. Electronic noise will couple into the internal circuit and the controller will not function
ok when there is no isolation applied to these inputs. Figure 3-7 illustrates the non-isolated input circuit.
SMC6000
VCC3.3V
IN17
(IN18~32)
GND
EXGND
4.7K
100
0.1uF
24V+
4.7K
Switch
Figure 3-7: Non-isolated General Purpose Digital Input Circuit
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www.leadtronker.com
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