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| 型号： | 1788 |
| 厂商： | B&K Precision |
| 文件页数： | 21/38页 |
| 文件大小： | 0K |
| 描述： | POWER SUPPLY 0-32V 0-6A PROGRAM |
| 产品目录绘图： | 1788 |
| 标准包装： | 1 |
| 系列： | 1785B |
| 类型： | 工作台（AC 至 DC） |
| 电源电压： | 110VAC，220VAC |
| 输出电压： | 0 ~ 32VDC |
| 电流 - 输出： | 0 ~ 6A |
| 显示器类型： | VFD |
| 数字/字母数： | 10 |
| 输出数： | 1 |
| 尺寸/尺寸： | 15.000" L x 10.000" W x 4.160" H（381.00mm x 254.00mm x 105.66mm） |
| 特点： | 可编程，RS232 端口 |
| 精确度 - 伏特表；安培表： | 0.05% + 120mV |
| 稳压 - 线路： | 0.01% + 3mV |
| 稳压 - 负载： | 0.02% + 5mV |
| 稳流 - 线路： | 0.1% + 2mA |
| 稳流 - 负载： | 0.1% + 2mA |
| 纹波： | 3mV p-p，1mV rms |
| 重量： | 15 磅（6.8kg） |
| 相关产品： | BKIT-E151-ND - RACK MOUNT KIT FOR 1785B - 1788 |
| 其它名称： | BK1788 |
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4.3 Frame format
Packet structure
The power supply is programmed using packets of bytes. A packet always contains 26 bytes,
either going to or coming from the instrument. The basic programming rule is:
You send a 26 byte packet to the instrument. You then
read a 26 byte packet back from the power supply to
either
? Get the status of your submitted packet, or
? Get the data you requested.
The following are conventions we will follow in this chapter:
1. Hexadecimal integers will be represented by the prefix 0x.
2. Numbers are in base 10 number system unless otherwise indicated.
3. Byte numbering is zero-based, meaning numbering starts with 0.
The structure of each 26 byte packet is:
Byte 0
0xAA
Byte 1
Address
Byte 2
Command
Byte 3 to 24
Command's data
Byte 25
Checksum
Thus, the first byte of any command packet or returned packet is always 0xAA.
Address must be a byte that is between 0x00 and 0xFE. Setting of the address is optional. It
is not required to communicate with the instrument. The address can be set from the front
panel and is stored in non-volatile memory. This feature is useful when communicating via
USB, and connecting several instruments, e.g. via a USB hub. In this scenario, Windows
assigns a virtual COM port to each device which is unknown prior to establishing
communications with the instrument (could be different each time). In this case, the user can
correlate each virtual COM port randomly assigned by Windows with a user defined address.
Command is a byte that identifies which power supply command is used.
The area for the command's data contains parameter information for the command or the
data that is requested via a previous command. Some commands have no data at all. It is a
good programming practice to set all unused bytes to 0x00.
The checksum number is the arithmetic sum of each of the bytes modulo 256.
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PDF描述 |
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| 1796 | POWER SPLY DC LINEAR 0-16V 0-50A |
| 17MA1-B | SWITCH BRACKET |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 1788 CAL | 制造商:B&K Precision Corporation 功能描述:CALIBRATED - POWER SUPPLY, BENCH, 32V; Power Supply Output Type:Adjustable; No. of Outputs:1; |
| 1788 CAL DU | 制造商:B&K Precision Corporation 功能描述:CALIBRATED W/ DATA & UNCERTAINTIES - POWER SUPPLY, BENCH, 32V; Power Supply Output Type:Adjustable; No. of Outputs:1; |
| 17880 | 功能描述:模拟面板表 2173 0-50 WATTS 3. RoHS:否 制造商:Simpson Electric Company 设备类型:AC Current Meter 范围:0 - 5 大小:4.88 in |
| 1788000000 | 功能描述:CONN PLUG HSNG M25 W/O COVER SZ7 RoHS:是 类别:连接器，互连式 >> 高负载 - 外壳，防护罩，底座 系列:Rockstar® HA 标准包装:1 系列:RockClassic™ 连接器类型:防护罩 样式:（侧面和顶部插入） 尺寸:8 锁位置:基座底部的侧面夹 螺纹尺寸:M16，M25 和 M32 尺寸/尺寸:4.724" L x 1.693" W x 2.992" H（120.00mm x 43.00mm x 76.00mm） 特点:- 包装:散装 |
| 1788004 | 功能描述:DIN导轨式接线端子 UMSTBVK 2 5/10-GF-5 RoHS:否 制造商:Phoenix Contact 类型:Feed Through Modular Terminal Block 位置/触点数量:1 线规量程:26-14 电流额定值:5 A, 15 A 电压额定值:300 V, 600 V 安装风格: 端接类型:Push-In |
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