Communication Characteristics - Delta DPM-C501L Operating Manual

D P M - C 5 0 1 L O p e r a t i o n M a n u a l

DI/DO Connection
_3 _3
The following table lists the symbols used in the diagram.
Symbol
Description

3.3.2 Communication Characteristics


Communications Specifications:
Max. Communication
Distance
Max. Connection
Number
Communication
Protocols
Function Code

Use shielded twisted-pair cables for RS485 communication.

Connect the D+ communication terminal for all devices on the same twisted pair cable. Connect the D-
terminals on the other twisted pair cable. Ground the cable shield. Install a terminal resistor on the
terminal device.

Use cables with a diameter of 14–28 AWG.
3 - 6
Current
Grounding
transformer
1200 m
32
MODBUS RTU
03, 06, 10
Terminal Voltage
block transformer
Baud Rate 9600, 19200, 38400
Data Length 8
Parity None, Odd, Even
Stop Bit 1
Fuse