Proline Promass E 100 Modbus RS485 Technical data
Endress+Hauser 85
Interface/protocol
• Via digital communication:
Modbus RS485
• Via service interface
CDI-RJ45 service interface
Plain text display With information on cause and remedial measures
Light emitting diodes (LED)
Status information Status indicated by various light emitting diodes
The following information is displayed depending on the device version:
• Supply voltage active
• Data transmission active
• Device alarm/error has occurred
Diagnostic information via light emitting diodes → 67
Low flow cut off The switch points for low flow cut off are user-selectable.
Galvanic isolation The following connections are galvanically isolated from each other:
• Outputs
• Power supply
Protocol-specific data Protocol-specific data
Protocol Modbus Applications Protocol Specification V1.1
Device type Slave
Slave address range 1 to 247
Broadcast address range 0
Function codes • 03: Read holding register
• 04: Read input register
• 06: Write single registers
• 08: Diagnostics
• 16: Write multiple registers
• 23: Read/write multiple registers
Broadcast messages Supported by the following function codes:
• 06: Write single registers
• 16: Write multiple registers
• 23: Read/write multiple registers
Supported baud rate • 1 200 BAUD
• 2 400 BAUD
• 4 800 BAUD
• 9 600 BAUD
• 19 200 BAUD
• 38 400 BAUD
• 57 600 BAUD
• 115 200 BAUD
Data transfer mode • ASCII
• RTU
Data access Each device parameter can be accessed via Modbus RS485.
For Modbus register information, see "Description of device parameters"
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