Publication 1404-UM001D-EN-E - October 2004
Communications
4-3
Optional RS-232 Communications
Powermonitor 3000 units with a catalog number ending in “-232” are
equipped with an optional RS-232 serial port in addition to the native
port. These units are set up at the factory to communicate using the
optional port using the Allen-Bradley DF1 half-duplex slave protocol.
The configuration parameters are:
•
Protocol:
Allen-Bradley DF1 half-duplex slave, Modbus RTU
slave, auto-sense. Default auto-sense.
•
Data rate:
Range 1200, 2400, 4800, 9600, 19,200 baud. Default
9600
•
Delay:
Range 0 to 75 mS, 10 mS default
•
Node address:
Range 1 to 247, default is unit ID listed on
nameplate
•
Data Format:
8 data bits, 1 stop bit, no parity or even parity.
Table 4.1 Native Communication Configuration Summary
Parameter Description
Range Default
User
Setting
Protocol DF1
Half-Duplex
Slave
Modbus RTU
Slave
Auto-Sense
Auto-Sense
Delay Time
between
receiving
a request and
transmitting a response
0 to 75 mS
10 mS
Baud Rate
RS-485 port
communications bit rate
1200 baud
2400 baud
4800 baud
9600 baud
19200 baud
9600 baud
RS-485 Address
Uniquely identifies the
Powermonitor device on
a multi-drop network
1 to 247
Unit ID number
Data Format
Data bits / Stop bits /
Parity
8 / 1/ none
8 / 1/ even
8 / 1/ odd
8 / 1 / none
Inter-Character
Timeout
Mimimum delay
between characters that
indicates end of Modbus
message packet
0 to 6553 ms
0 (= 3.5
character times)
Summary of Contents for 1404-M4
Page 6: ...Publication 1404 UM001D EN E October 2004 Table of Contents 4 ...
Page 26: ...Publication 1404 UM001D EN E October 2004 2 14 Product Description ...
Page 264: ...Publication 1404 UM001D EN E October 2004 C 10 Sample Applications ...
Page 278: ...Publication 1404 UM001D EN E October 2004 C 24 Sample Applications ...
Page 279: ...Publication 1404 UM001D EN E October 2004 Sample Applications C 25 Allen Bradley HMIs ...
Page 280: ...Publication 1404 UM001D EN E October 2004 C 26 Sample Applications ...
Page 285: ...Publication 1404 UM001D EN E October 2004 Sample Applications C 31 Allen Bradley HMIs ...
Page 304: ...Publication 1404 UM001D EN E October 2004 D 6 Technical Specifications ...
Page 324: ...Publication 1404 UM001D EN E October 2004 F 18 Powermonitor 3000 EtherNet IP Device Profile ...
Page 340: ...Publication 1404 UM001D EN E October 2004 G 16 Powermonitor 3000 ControlNet Device Profile ...
Page 354: ...Publication 1404 UM001D EN E October 2004 6 Index ...
Page 355: ...Allen Bradley HMIs ...