+24V*
CDM420-0006
PNP sensor
4
V
S
GND
Out
GND
S6
ON
OFF
S6 : SGND-GND
V
S ext
Shield
A
Sensor
B
37 SGND
6
Shield
39 +24 V*
Trigger sensor
1
3
2
+24V*
CDM420-0006
GND
S6
ON
OFF
S6 : SGND-GND
Shield
A
Sensor
B
37 SGND
6
Shield
39 +24 V*
1
V
S ext
GND
A
37
2
2
Figure 43: Left: Trigger sensor connected potential-free and supplied with power externally. Right: Alternatively switch,
!
supplied with power by connection module CDM420-0006 or
"
connected potential-free and supplied with power externally.
Switch setting S6 then as in left figure.
1
Trigger sensor, e.g. for read cycle generation
2
External supply voltage V
S
ext
3
PNP sensor
4
Supply voltage V
S
Table 28: Assignment of placeholders to the digital inputs
CDM420-0006
Device
Terminal A
Signal B
Pin C
Pin D
Sensor E
38
Sensor 1
14
10
1
28
Sensor 2
4
15
2
Function of switch S6
Table 29: Switch S6: SGND - GND
Switch setting
Function
ON
GND of the trigger sensor connected with GND of CDM420-0006 and
GND of the device
OFF
Trigger sensor connected potential-free at CDM420-0006 and device.
Common, isolated reference potential of all digital inputs is SGND.
Characteristic data of the digital inputs
Table 30: Characteristic data of the digital inputs “Sensor 1” and “Sensor 2”
Type
Switching
Switching behavior
Default setting in the device: logic not inverted (active high), debounce
time 10 ms
Properties
•
Opto-decoupled, reverse polarity protected
•
Can be wired with PNP output of a trigger sensor
Electrical values
Low: V
in
1)
≤ 2 V; I
in
2)
≤ 0.3 mA
High: 6 V ≤ V
in
≤ 27.6 V; 0.7 mA ≤ I
in
≤ 5 mA
1)
Input Voltage
2)
Input current
13
ANNEX
72
O P E R A T I N G I N S T R U C T I O N S | InspectorP61x
8026257//2020-12 | SICK
Subject to change without notice
