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16 digital inputs can be polled by the X70/X205/DTM connector.
Connector designation:
Connector type:
Max. cable length:
Table 1-24
Pin
1
...
16
17
18
19
20
The inputs are electrically isolated for MCP / MPP / HAM and DTM.
1)
For the TCU, it is evaluated whether the direct keys have been connected.
2)
Power consumption: 100 mA for MCP / MPP / HAM; 500 mA for DTM
3)
Table 1-25
HIGH level:
Low level
1.3.2
Handling membrane connectors
When replacing parts it can sometimes be necessary to disconnect membrane connectors
from the boards and reconnect them again.
This should be done as follows:
(1)
Figure 1-8
Operator panel front: OP 010
Manual, 07/2018, A5E36371538B
Assignment of connector X70 (MCP, MPP, HAM) / X205 (TCU) / DTM
Name
DT1
...
DT16
P5V / CON1
2)
P5V / CON2
2)
GND
GND
Signal level
Clamping frame of socket
Removing (left) and attaching (right) a membrane connector
X70/X205/DTM
20-pin plug connector
0.85 m
Type
Meaning
Direct key 1
I
...
1)
Direct key 16
+ 5 V input voltage
+ 5 V input voltage
V
Ground
Ground
5 V or open
<= 0.8 V
General information and networking
1.3 Connecting
3)
3)
35
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