3.3
Checking Modbus communication
Prerequisites
•
Modbus simulation must be available.
Procedure
Open Modbus simulation
1.
Menu: Parameterization
→
Select Formulas
2.
Mark formula
Modbus Simulation
.
3.
Press [Edit].
✓
Window
Formulas
opens.
Adjust formula
1.
Mark
Initial activation
.
2.
Select and change values to be checked.
Example: “rv1 = 10 ; rv2 = 20 ; rv = 30”
3.
Press [Save].
Check changes
1.
Menu: Parameterization
→
Select Formulas.
2.
In formula
Modbus Simulation
: Check whether the new values are displayed.
3.
The values of the new formula are displayed on one of the Measuring Screens.
4.
Swap the register when the values were not transferred correctly.
In case of incorrect transfer, swap the register
1.
Menu: Parameterization
→
Select Modbus.
2.
Register Swap
: Use the drop-down list to change the register sequence.
Example: Instead of (AB_CD)
→
Select (CD_AB).
3.
Press [Activate configuration].
3.4
Cell inlet filter maintenance
NOTICE
Device damage through work on the device when hot.
The cell can be damaged when the screws on the cell inlet filter are unscrewed while
hot.
b
Allow the device to cool down.
b
Only unscrew and remove the screws when cold.
Procedure
b
See Operating Instructions, Section 8.9
3
MAINTENANCE
10
A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | MARSIC300
8026470/AE00/V1-0/2021-04 | SICK
Subject to change without notice
