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| 型号： | 9121A |
| 厂商： | B&K Precision |
| 文件页数： | 14/50页 |
| 文件大小： | 0K |
| 描述： | PWR SUP SNG OUTPUT PROG 20V 5A |
| 产品目录绘图： | 9120A |
| 标准包装： | 1 |
| 系列： | 9120A |
| 类型： | 工作台（AC 至 DC） |
| 电源电压： | 110VAC，220VAC |
| 输出电压： | 0 ~ 20VDC |
| 电流 - 输出： | 0 ~ 5A |
| 显示器类型： | VFD |
| 输出数： | 1 |
| 尺寸/尺寸： | 13.900" L x 8.450" W x 3.470" H（353.06mm x 214.63mm x 88.14mm） |
| 特点： | 可编程，RS232 端口 |
| 功率（瓦特）： | 100W |
| 精确度 - 伏特表；安培表： | 0.02% + 3mV; 0.05% + 2 mA |
| 稳压 - 线路： | 0.01% + 1mV |
| 稳压 - 负载： | 0.01% + 2mV |
| 稳流 - 线路： | 0.05% + 1mA |
| 稳流 - 负载： | 0.05% + 1mA |
| 纹波： | 3mV p-p |
| 重量： | 20 磅（9.1kg） |
| 其它名称： | BK9121A |
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▼ ： Down key
Enter : Press to confirm numerical entries
3.2 Front-panel Operation Overview
1)
The power supply at shipment is preconfigured for front-panel operation. At power-on, the power supply
will automatically start up in front panel operation mode.
2)
When the power supply is in remote operation mode, the front-panel is disabled.
mode, by pressing the Local button or by sending the appropriate SCPI command.
You can revert to Local
Toggling between
front-panel and remote operation modes will not result in any change of the output parameters.
3)
The output of the power supply can be enabled or disabled from the front panel by pressing
the
Out on/off
key. When the output is on, the CV or CC annunciator will turn on.
4)
The VFD annunciators display the present operating status of the power supply. At power up, the following
is displayed: The top row shows the actual output voltage and output current value and the state of the
power supply. The second line shows the voltage value as measured by the DVM and the Set value of the
Voltage. The bottom right field is also used to display the Current Set Value, the Menu parameters and the
Ohm meter range.
3.3 Setting the Voltage
The Voltage can be adjusted from 0V to the maximum rated voltage of each model. There are 2 ways to set the
constant voltage value.
Solution1 ：
Press the ▲ and ▼ keys or the knob to change the value of the least significant digit
Solution2:
1. Press
V-set
2. Use the numeric keys
0
to 9
and confirm your entry by pressing
Enter
3.4 Setting the Current
The Current output is adjustable from 0A to the maximum current value of each model.
1. Press
I-Set
2. Enter a numerical value or use the ▲ and ▼ keys to change the current value
3. Press
Enter
to confirm the value
3.5 Save and Recall Operation
You can store up to 50 different operating states in memory locations 1 through 50. Each operating state
includes a constant voltage value, constant current value, maximum output voltage value and voltage step value.
To save a setting :
Set the desired Voltage and Current value
Press the save
Save
key. Use the knob to scroll to one of the memory locations 1 – 50. Press
ENTER
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