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博世 SE-C4.170.030-10.000 伺服電機

數(shù)量(個) 價格
87 6744.00元/個
  • 最小起訂: 1個
  • 發(fā)貨地址: 福建 廈門市
  • 發(fā)布日期:2023-07-20
  • 訪問量:514
咨詢電話:153-5929-8206
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4

廈門雄霸電子商務(wù)有限公司

實名認證 企業(yè)認證
  • 聯(lián)系人:周經(jīng)理
  • 手機:15359298206
  • 電話:0086-15359298206
  • 營業(yè)執(zhí)照:已審核 營業(yè)執(zhí)照
  • 經(jīng)營模式: 經(jīng)銷商-私營有限責任公司
  • 所在地區(qū):福建 廈門市
  • 家家通積分:13440分
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詳細參數(shù)
品牌rexroth型號SE-C4.170.030-10.000
額定功率4.3最大轉(zhuǎn)速3000r
產(chǎn)品類型伺服電機額定電壓24伏直流
額定電流其他額定轉(zhuǎn)速3000r
額定轉(zhuǎn)矩其他加工定制
外形尺寸14.50x6.00x5.50

產(chǎn)品詳情

博世 SE-C4.170.030-10.000 伺服電機 3000rpm 17nm







狀況:新
品牌:博世
模型:SE-C4.170.030-10.000
階段:3PH
力量:14.1 千瓦
轉(zhuǎn)速:3000 轉(zhuǎn)
軸外徑:24毫米
扭矩:23.048906661554 NM
電壓(交流):不適用
電壓(直流):不適用
送貨細節(jié)
發(fā)貨地:廈門
重量:39.90 磅
方面:14.50 x 6.00 x 5.50


integrated encryption and authentication was CCM (Counter with CBCMAC) as defined in RFC 3610 [11]. CCM combines CTR mode of encryption with the CBC-MAC mode of authentication. CCM has been used and studied for a long time and has well-understood cryptographic properties. CCM uses the same encryption key for both processes but, in conjunction with other beters, it leads to two separated keys.

The chosen values of the M and L beters of CCM are:

M = 8; indicating that the MIC is 8 octets long.

L = 2; indicating that the length field is 2 octets.

The length of the MIC was chosen to be 64 bits since this is the minimum length recommended by [11]. Figure 3: Construction of an Encrypted Burst

The previous selections are coincident with those made in standard

IEEE802.11i [12] for Wireless LANs. The main difference is that encryption and integrity are not applied over the same message. Encryption is perbed over data bursts, which may contain several OPERA packets, while a MIC is generated for each OPERA packet (see Figure 3). The Burst header is authenticated but not encrypted. The OPERA packet header is authenticated and encrypted. This is done to improve efficiency in the very noisy environments typical to PLC channels. In case of error it is not necessary to retransmit the whole burst but only one packet. Another difference with [12] is that the OPERA specification does not support non robust options such as WEP or TKIP. This is possible because OPERA does not have to take into account IEEE802.11 legacy systems. C-Admission control

With respect to admission control, the open possibilities were to define a specific protocol for OPERA or to use an existing standard. If such a standard existed it seems wiser the option to use it. Fortunaby this standard exists and is IEEE 802.1X [13], an IEEE standard for port-based Network Access Control in LAN, based on the EAP (Extensible Authentication Protocol) [14], that has been adapted to be used in other environments such as wireless and which today is part of IEEE802.11i. Due to the adequacy and long time experience of this




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