Endress+Hauser Proline Promag 300 - Telegram Delay

Proline Promag 300 Modbus RS485 Description of device parameters
Endress+Hauser 153
2 – 3 – 0 – 1 Byte 2
(EMMMMMMM)
Byte 3
(SEEEEEEE)
Byte 0
(MMMMMMM)
Byte 1
(MMMMMMM)
3 – 2 – 1 – 0 Byte 3
(SEEEEEEE)
Byte 2
(EMMMMMMM)
Byte 1
(MMMMMMMM)
Byte 0
(MMMMMMMM)
* = factory setting, S = sign, E = exponent, M = mantissa
INTEGER
Sequence
Options 1. 2.
1 – 0 – 3 – 2 *
3 – 2 – 1 – 0
Byte 1
(MSB)
Byte 0
(LSB)
0 – 1 – 2 – 3
2 – 3 – 0 – 1
Byte 0
(LSB)
Byte 1
(MSB)
* = factory setting, MSB = most significant byte, LSB = least significant byte
STRING
Presentation taking the example of a device parameter with a data length of 18 bytes.
Sequence
Options 1. 2. ... 17. 18.
1 – 0 – 3 – 2 *
3 – 2 – 1 – 0
Byte 17
(MSB)
Byte 16 ... Byte 1 Byte 0
(LSB)
0 – 1 – 2 – 3
2 – 3 – 0 – 1
Byte 16 Byte 17
(MSB)
... Byte 0
(LSB)
Byte 1
* = factory setting, MSB = most significant byte, LSB = least significant byte
Telegram delay 
Navigation  Expert → Communication → Modbus config. → Telegram delay (7146)
Description Use this function to enter a delay time after which the measuring device replies to the
request telegram of the Modbus master. This allows communication to be adapted to slow
Modbus RS485 masters.
User entry 0 to 100 ms
Factory setting 6 ms
Failure mode 
Navigation  Expert → Communication → Modbus config. → Failure mode (7116)
Description Use this function to select the measured value output in the event of a diagnostic message
via Modbus communication.
Selection • NaN value
• Last valid value