SIMATIC PDM
B.1 Commissioning with SIMATIC PDM
SITRANS F Ultrasonic flowmeters FST030 (HART)
128 Operating Instructions, 08/2017, A5E35971532-AC
5. Enter the device-specific information in the "Communication" tab of the Properties dialog
for the HART modem network.
Set the master type (primary or secondary, usually secondary):
Here, you can select the "Prefer 'Long address'" check box.
Modbus communication type: Serial or IrDA (infrared)
The interface must be set accordingly on the PC station.
IrDA No additional setting required.
Once the device is within range, it is available for Modbus communication.
Only one infrared device can be coupled to Modbus at a given time. Several de-
vices can be coupled under Windows.
Response
time
General timeout within which the device is allowed to report. If the timeout is too
long, the communication is slowed. If it is too short, some devices may not be
Figure B-2 Assigning HART device to network
6. To check if the correct network and the correct port are assigned to the COM interface,
double-click the PC object in the right window. Select the COM interface object in HW
Config, and select the Object Properties menu command in the shortcut menu.
Note
The COM port is almost always "1" for notebooks. Since most PCs have
two COM ports,
you must specify the port to which the HART modem is connected in this tab. Check
whether the settings for the FIFO buffer of the COM port are suitable, or immediately use
a USB HART modem.
7. To insert the HART device, select the HART modem Modbus network object in the right
window and right-click. In the displayed shortcut menu, select the Insert New Object →
Object command.
In the displayed dialog box, enter the name of the HART device
8. To set the device address, select the inserted Modbus device in the right window and
right-click. Select the Object Properties command in the displayed shortcut menu.
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