Endress+Hauser Proline Promass I 100 - Page 79

Proline Promass I 100 Modbus RS485 Technical data
Endress+Hauser 79
Transmitter
Intrinsically safe values
Order code for
"Approvals"
Terminal numbers
Supply voltage Signal transmission
20 (L-) 10 (L+) 62 (A) 72 (B)
• Option BM: ATEX II2G + IECEx Z1 Ex ia, II2D Ex tb
• Option BO: ATEX II1/2G + IECEx Z0/Z1 Ex ia, II2D
• Option BQ: ATEX II1/2G + IECEx Z0/Z1 Ex ia
• Option BU: ATEX II2G + IECEx Z1 Ex ia
• Option C2: CSA C/US IS Cl. I, II, III Div. 1
• Option 85: ATEX II2G + IECEx Z1 Ex ia + CSA C/US
IS Cl. I, II, III Div. 1
U
i
=16.24 V
I
i
=623 mA
P
i
=2.45 W
L
i
= 0 µH
C
i
=6 nF
*
The gas group depends on the sensor and nominal diameter.
For an overview and for information on the interdependencies between the gas group - sensor - nominal
diameter, see the "Safety Instructions" (XA) document for the measuring device
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 Modbus RS485
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 (  93)