Moxa ioPAC 8500-5-M12-C-T [19/69] Attention

Moxa ioPAC 8020-9-M12-C-T [19/69] Attention
Moxa C Programmable RTU Controllers Getting Started
2-7
Power Terminal Block for ioPAC 8020-C Series
Connecting to a Serial Device
The RTU controller is equipped with two 3-in-1 serial ports that support RS-232/422/485, making it more
convenient to connect field serial devices. The pin assignment is shown below:
Pin RS-232
RS-422
4W RS-485
2W RS-485
1 DCD TxD-(A)
2 RXD TxD+(B)
3 TXD RxD+(B) Data+(B)
4 DTR RxD-(A) Data-(A)
5 GND GND GND
6 DSR
7 RTS
8 CTS
9 RI
NOTE
After connecting the RTU
controller to the power supply, it will take about 30 to 60 seconds for
the operating
system to boot up. The green Ready LED will not turn on until the operating system is ready.
ATTENTION
This product is intended to be supplied by a Listed Power Unit (with output marked
LPS, for
Limited Power
Source
) and rated for 12 to 36 VDC at 1.2
A (minimum requirements). For railway rolling stock applications,
networking devices must be supplied by a galvanic isolated power supply design in compliance with the EN
50155 standard.

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