D P M - C 5 3 0 O p e r a t i o n M a n u a l
3 - 6
_3
_3
The following table lists the symbols used in the diagram.
Symbol
Description
Grounding
Current
transformer
Terminal
block
Voltage
transformer
Fuse
3.3.2
Communication Characteristics
Communications Specifications:
Max. Communication
Distance
1200 m
Baud Rate
9600, 19200, 38400 bps
Max. Connection
Number
32
Data Length
7-, 8-bits
Communication
Protocols
Modbus RTU/ASCII,
BACnet MS/TP
Parity
None, Odd, Even
Function Code
03, 06, 10, FE
Stop Bits
1, 2
Note: The 7-bit data length is not available for the Modbus RTU protocol.
Use shielded twisted-pair cables for RS485 communication. When connecting multiple devices in series,
use the wiring method in the following diagram.
Ter minal Resistor
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 as shown.
Use cables with a diameter of 14–28 AWG.
Summary of Contents for DPM-C530
Page 2: ......
Page 3: ......
Page 10: ...DPM C530 Operation Manual 1 4 _1 _1 MEMO...
Page 16: ...DPM C530 Operation Manual 2 6 _2 2 4 Dimensions Front Unit mm Back Unit mm...
Page 35: ...5 1 5 Chapter 5 Parameters and Functions Table of Contents 5 1 Overview of Parameters 5 2...
Page 117: ...6 1 Chapter 6 Error Codes Table of Contents 6 1 Error Codes 6 2 6 2 Alarm Types 6 2 6...