TDK Lambda | Z+Low Voltage User Manual

No.

Control/Indicator

Description

Section

1 AC Power Switch

AC ON/OFF control

4 digit 7-segment LED display. Normally displays the output current. In preview mode, the display indicates the program setting of output current. 4 digit 7-segment LED display. Normally displays the output voltage. In preview mode, the display indicates the program setting of output voltage. Encoder : high resolution rotary Encoder for adjusting the output voltage. Button: Auxiliary function to select between menu levels.

2 Current display

3 Voltage Display

4 Voltage encoder and button

5.2.1

5 Constant Voltage mode indicator Green LED, light for Constant-Voltage mode operation. 6 Current encoder and button

Encoder: High resolution rotary Encoder for adjusting the output current. Button: Auxiliary function to select between menu levels.

5.2.2

7 Constant Current mode indicator Green LED, light for Constant-Current mode operation.

Main function: output ON/OFF control. Press OUTPUT to set the output ON or OFF. Press to recovery after OVP, UVP or FOLD fails. Green LED, lights when the DC Output is enabled. Auxiliary function: Select between Safe Start and Auto Start modes. Main function: Go to local. Press REM to put the unit into local (REM button is disabled at Local Lockout mode. Green LED, lights when the Main function: Press PREV to display the output voltage and current limit setting. For 5 sec. the display will show the setting and then it will return to show the actual output voltage and current. Green LED, lights when PREV button is pressed. Auxiliary function: Front Panel Lock. Press and hold PREV button to toggle between ”Locked front panel” and ”Unlocked front panel”. The display will cycle between LFP and UFP . Releasing the PREV button while one of the modes is displayed, selects that mode. Voltage, Current, Delay and Counter Fine/Coarse adjustment control. Operates as a toggle switch. In Fine mode, the VOLTAGE and Current encoders operate with high resolution and in Coarse mode with lower resolution (approx. 6 turns). Green LED, lights when the unit is in Fine mode. Main function: Red LED blinks in cases of fault detection: OVP, UVP, OTP, Foldback, Interlock and AC fail. Auxiliary function: Protection menu. Green LED illuminates when the unit is in protection menu mode. 5.3 Used for selection between analog or digital mode control, rear panel control parameters, memory management, trigger and program setting, parallel mode settings and software version. unit is in communication Remote mode. Auxiliary function: Communication menu.

5.2.4 5.2.5

8 OUTPUT button/indicator

9 REM button/indicator

10 PREV button/indicator

11 FINE button/indicator

12 PROT button/ Alarm indicator

13 Main Menu button/ indicator

14 Optional front panel output jacks (binding post style, Ø4mm) for modules up to 60VDC: 24A Max. PN:Z-L 15 Optional front panel insulated output sockets (Ø4mm) for modules up to 100VDC: 24A Max. PN:Z-L2

Table 4-1: Front panel controls and indicators

49