User's Manual

SBS-900 Shore Based Radar Systems
Chapter 9: Planned maintenance
KH-1602-2 issue 1: Standard SBS900 Systems Operator & Maintenance Handbook
Page 104 of 240
5-year maintenance: Changing the static inverter in the RDU
Inspection sheet
4 of 6
Inverter first time POWER ON
DO NOT reconnect the three-phase connection (PL4 on the base of the RDU) to the antenna motor.
Reconnect and switch ON the single and three-phase AC power to the RDU and switch the system
ON.
At first switch-ON the inverter initialises and the readout displays n50, which indicates 50Hz input
conditions will be set. If this does not occur, press. until n50 is displayed.
Press ENTER. The inverter will set the relevant internal settings; the display will show HELLO then
settle at 0.0.
Operator controls
- Whilst programming, the Prg indicator will illuminate when the main menus are selected and Flash
when the F.--- settings menu have been selected.
- Press. to scroll down through a function menu.
- Press / to scroll up through a function menu.
- At any menu function press ENT to read the current setting then press the ./ buttons to change
the setting.
- Press ENT to accept the new setting and return to function menu.
- When the menu reaches F---, Press ENT to access F100 then . to scroll F101, F102 etc.
- At any F--- function press Ent to read the current setting then press the ./ buttons to change the
setting.
- To Exit the menus, press the MODE button until 0.0 is displayed.
Inverter configuration
When a replacement inverter is first switched on, the following parameters must be checked and set.
Firstly press the MODE button to enter programming mode then select and configure the following:
Custom Settings for TOSHIBA VF-S11 static Inverter
Function Description
Set to
Available modes
CN0d Command mode 0
0: Remote Control
1: Inverter operation panel
FN0d Frequency setting mode 5
0: Internal potentiometer setting
1: VIA
2: VIB
3: Operation panel
4: Serial communication
5: External contact up/down
6: VIA+VIB (Override)
typ
Standard setting mode
(Input frequency)
1
0: -
1: 50Hz default setting
2: 60Hz default setting
3: Standard default setting (initialisation)
4: Trip record clear
5: Cumulative operation time clear
6: Initialization of type information
7: Save user-defined parameters
8: Call user-defined parameters
9: Cumulative fan operation time record clear