CONTROL TECHNIQUES 已經從EMERSON 集團 轉到 NIDEC 集團旗下，現在銘牌顯示品牌為 NIDEC
055UDA305BACRA063110: Unimotor HD系列 伺服電機, 電壓:460VAC, 55mm 機座規格, 6.2lb-in (0.7Nm), 0.97A, 3krpm, Inc. Enc. 4096ppr,是否帶剎車：是，帶**剎車, size 1.0 power, 90° rot. conns, Key installed, std inertia, 63mm BCD,11mm shaft dia.
089UDB306BARAA
089UDB400BACAA
089UDC300BAGBA
089UDC300RBWBA100190-SKTY
089UDC305BACAA
089UDC305BAECA
089UDC30XBBWBA100190-SRCA
089UDC400BAAEA
095E2A400BACAA100140
095E2A401BACAA100140
095E2B300BACAA100190
095E2B400BACAA100190
095E2B401BACAA100190
095E2C400BACAA100190
095E2C401BACAA100190
095E2D300BACAA100190
095E2D301BACAA100190
095E2D400BACAA100190
095E2D401BACAA100190
095E2E300BACAA100190
095E2E301BACAA100190
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095U2A400BACAA100140
095U2A401BACAA100140
095U2B200BACAA100190
095U2B200CACAA095100190
095U2B200CACAA100190
095U2B200CBCAA
095U2B200CBCAA10019.0
095U2B200CBCAA100190
095U2B201CACAA100190
095U2B205CACAA100190
095U2B300BACAA
095U2B300BACAA100190
095U2B300BBECA100190
095U2B300CACAA
095U2B300CACAA100190
095U2B300CACAA110190
095U2B300CRCAA100190
095U2B300VAAEA095190
095U2B300VACAA
095U2B300VACAA100190
095U2B301BACAA
095U2B301BARAA100190
095U2B301CACAA
095U2B301CACAA100190
095U2B305BACAA100190
095U2B305BARAA100190
095U2B305CACAA100190
095U2B400BACAA100190
095U2B400CACAA100190
095U2B401BACAA100190
095U2C200CBCAB100190
095U2C300BACAA100190
095U2C300BARAA100190
095U2C300BBCAA100190
095U2C300BBFBA100190
095U2C300CACA100190
095U2C300CACAA100190
095U2C300CACAA10190
095U2C300CBAAA100190
095U2C301BAECA100190
095U2C305BBCAA100190
095U2C400BACAA100190
095U2C401BACAA100190
095U2D200VARAA100190
095U2D201CARAA100190
095U2D300BAAEA100190
095U2D300BACAA
095U2D300BACAA10019
095U2D300BACAA100190
095U2D300CAAEA100190
095U2D300CACAA100190
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095U2D301CACAA100190
095U2D301CBCAA100190
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095U2D305CACAA100190
095U2D305CBCAA100190
095U2D400BACAA100190
095U2D401BACAA100190
095U2E300BACAA100190
095U2E300BASAA100190
095U2E300CAAEA100190
095U2E301BBCAB100190
095U2E301CACAA100190
095U2E305BACAA100190
095U2E305BBCAB100190
095U2E305CACAA100190
095U2E400BACAA100190
095U2E401BACAA100190
095U3A300BAEBB100140
095U3A305BAEBB100140
095U3B200CACAA095100190
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095U3B205CACAA100190
095U3B300BACAA100190
095U3B300BBECA100190
095U3B300CACAA100190
095U3B300CACAA110190
095U3B300CRCAA100190
095U3B300VACAA100190
095U3B305BACAA100190
095U3B305BARAA100190
095U3B305CACAA100190
095U3B400CACAA100190
095U3C200CBCAB100190
095U3C300BACAA100190
095U3C300BBCAA100190
095U3C300BBFBA100190
095U3C300CACA100190
095U3C300CACAA100190
095U3C300CACAA10190
095U3C300CBAAA100190
095U3C400BBCAA100190
095U3C400BBCCAA100190
095U3D200VARAA100190
095U3D300BACAA100190
095U3D300CAAEA100190
095U3D300CACAA100190
095U3D305BBCAA100190
095U3D305CACAA100190
095U3D305CBCAA100190
095U3E300BACAA100190
095U3E300BASAA100190
095U3E305BBCAB100190
095U3E305CACAA100190
095UM2B300CACAA
095UMB200CACAA
095UMB300BACAA
095UMB300BBECA
095UMB300CACAA
095UMB300VACAA
095UMB301BARAA
095UMB301CACAA
095UMB400CACAA
095UMC300BBCAA
095UMC300BBFBA
095UMD300CACAA
095UMD301BBCAA
095UMD305BBCAA
095UME300BACAA
095UME305BBCAB
交流伺服電動機在沒有控制電壓時，氣隙中只有勵磁繞組產生的脈動磁場，轉子上沒有啟動轉矩而靜止不動。當有控制電壓且控制繞組電流和勵磁繞組電流不同相時，則在氣隙中產生一個旋轉磁場并產生電磁轉矩，使轉子沿旋轉磁場的方向旋轉。但是對伺服電動機要求不僅是在控制電壓作用下就能啟動，且電壓消失后電動機應能立即停轉。如果伺服電動機控制電壓消失后像一般單相異步電動機那樣繼續轉動，則出現失控現象，我們把這種因失控而自行旋轉的現象稱為自轉。
