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DeltaV™ M-series Serial Interface Series 2
DeltaV M-series Serial Interface Series 2
The Serial Interface provides a connection between the DeltaV™ system and devices that support a serial protocol, such as Modbus or Allen Bradley’s Data Highway Plus.
It has a high level of reliability, providing the process availability required for most applications. The DeltaV Serial Interface I/O provides seamless information interface and has a plug-and-play ease of use.
DeltaV™ M-series Serial Interface Series 2


Number of serial ports
Number of data sets per Serial interface card
32 (16 per port)
Port types
RS232, RS422/485 half duplex, RS 422/485 full duplex
Retry Count
0 - 255
Each port is isolated from the system and from the other. These ports must be externally grounded
Baud Rate
300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Even, Odd, None
Data bits
7 or 8
Stop bits
1 or 2
Operating Temperature
-40 to 70° C (-40 to 158° F)
Storage Temperature
-40 to 85° C (-40 to 185° F)
Relative humidity
5 to 95%, non-condensing
10 g½-sine wave for 11 ms
1 mm peak-to-peak from 5 to 16 Hz; 0.5 g from 16 to 150 Hz


  • Provides Seamless Information interface
  • Plug-and-play ease of use
  • Extends the life of existing equiptment
  • Automatic switchover
  • 1:1 redundancy for Serial I/O cards
  • Autosense of redundacy


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