Menu Item Explanation - Siemens SITRANS F M MAGFLO series Operating Manual

Modbus rtu rs-485 add-on module for usm ii transmitters
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Modbus RTU RS-485
4.3 Menu item
explanation
10
4.
Commissioning
Item
Value
Slave addr.
1-247
Baud rate
1200, 2400, 4800, 9600, Communication speed [Factory setting: 19200]
19200, 38400, 57600,
76800, 115200
Parity/framing
Even, 1 stopbit
Odd, 1 stopbit
None, 2 stopbit
None, 1 stopbit
Response timeout
0-25,5 sec.
Response delay
0-255 msec.
Interframe spacing
3,5-25 chars
TAG
„Flowmeter"
Modbus SW version 1.00
Modbus HW version 2
Comm. status
Ok: xx
Bad: xx
Frame status
PE: xx
FE: xx
The settings are all stored in the non-volatile memory of the SENSORPROM
remembered after a power down. Even if the module or transmitter is replaced the settings are
kept.
If the SENSORPROM
unit is NOT used, then the settings are stored in the transmitters memory.
These settings will however be overruled if the SENSORPROM
SFIDK.PS.023.D2.02
Comments
Device address [Factory setting: 1]
Communication parameters
[Factory setting: Even, 1 stopbit]
Max. response time. Used in time critical applica-
tions, where low cycle times are required. If the
response is not ready within the „Response
Timeout" time, an exception code 6 (Busy acknowl-
edge) is returned and the request must be send
again. [Factory setting: 10,0]
The minimum time from when a slave receives a
request and until it returns a response. This makes
it possible to send data to slow masters without
overwhelming its receiver. [Factory setting: 0]
The minimum interframe space between two
Modbus RTU messages in sequence (specified as
3.5 characters) is configurable.
Range: 3.5 - 25 character times.
[Factory setting: 3,5]
The TAG can be changed to any string up to
16 chars. [Factory setting: Flowmeter]
Firmware version of the Modbus module
Hardware version of the Modbus module
Ok = Received messages without errors
Bad = Received messages with CRC errors
Reset after a power down
PE = Number of parity errors
FE = Number of framing errors
Reset after a power down
unit is used again.
unit, and therefore

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