Samson 3374 Series - Design and Principle of Operation; Fail-Safe Action; Communication; Versions

Contents
EB 8331-4 EN
6.1.3 Keys on version with three-key operation ......................................................6-4
7 Start-up and conguration ..........................................................................7-1
7.1 Initializing the actuator ................................................................................7-1
7.2 Conguringtheactuator ..............................................................................7-2
7.2.1 Fastcongurationlevel ................................................................................7-4
7.3 Selecting the application ..............................................................................7-5
7.4 Adjusting the limit contacts ..........................................................................7-8
7.5 Setting up communication ..........................................................................7-10
7.5.1 Serial interface .........................................................................................7-10
7.5.2 Modbus RTU module .................................................................................7-10
8 Operation ..................................................................................................8-1
8.1 Automatic mode .........................................................................................8-1
8.1.1 Information level .........................................................................................8-1
8.1.2 Operating level ...........................................................................................8-2
8.1.2.1 Selecting the operating mode .......................................................................8-2
8.1.2.2 Determining the reading direction ................................................................8-2
8.1.2.3 Switching on the backlight ...........................................................................8-3
8.2 Manual mode .............................................................................................8-4
8.2.1 Mechanical override ...................................................................................8-4
8.2.2 MAN mode ................................................................................................8-5
8.3 Operation using memory pen ......................................................................8-5
8.3.1 Memory and data logging function ..............................................................8-6
8.3.2 Command function ......................................................................................8-7
8.4 Service mode ..............................................................................................8-8
8.4.1 Zero calibration ..........................................................................................8-9
8.4.2 Initializing the actuator ................................................................................8-9
8.4.3 Restarting the actuator (reset) .....................................................................8-10
8.4.4 Reset to default settings ..............................................................................8-10
8.4.5 Testing the display .....................................................................................8-10
8.4.6 Measuring the transit time ..........................................................................8-11
9 Malfunctions ..............................................................................................9-1
9.1 Troubleshooting ..........................................................................................9-1
9.1.1 Error messages ...........................................................................................9-1
9.1.2 Other malfunctions or errors ........................................................................9-5
9.2 Emergency action .......................................................................................9-5
10 Servicing..................................................................................................10-1
11 Decommissioning .....................................................................................11-1