Cable Connection - Caimore CM510-72F User Manual

1.3 Cable Connection

Terminal interface：
Definition of Interface:
NO. Name Function
1 Power
Power
2 GND
3 485A
RS485
4 485B
RS232(used
5 RXD
to transmit
data,
configure or
6 TXD
download)
7 GND RS232
8 DRX RS232(used
9 DTX to debug)
10 SW Enable pin
11 IO1
12 IO2
IO
13 IO3
14 IO4
Xiamen Caimore Communication Technology Co.,Ltd
Default Function
Power supply + pole
Power ground
RS485 interface A
RS485 interface B
RS232 interface, receiver pin (assuming that
DTU is connected to the computer, the flow
direction of this pin is: DTU <- computer)
RS232 interface, sender pin (assuming DTU is
connected to the computer, the data flow of this
pin is: DTU -> computer)
RS232 interface, GND pin
RS232 interface, receiving pin
RS232 interface, sending pin
Enable pin
Switch measure and control
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2
Input / Electrical
Output Characteristics
Power supply range:
-
6V - 32V
-
-
-
Input
Output
-
Input
Output
When the input voltage
of 0V DTU power
supply is cut off; When
Input
suspended or input high
level, DTU power is
connected.
Input &
IO control, IO alarm
Output
Input &
IO control, IO alarm
Output
Input &
IO control, IO alarm
Output
Input &
IO control, IO alarm
Output
-
-
-
-
-
-
-
-