A20B-2100-0411电路板
A20B-2100-0411电路板
A20B-2100-0411电路板
接地螺丝因机柜本体与底座间有胶皮形成绝缘,屏蔽地汇流排与底座间绝缘,
现场控制站按规定做好接地处理。即分别接至现场控制站接地汇流排上。
I/O柜的电源地与UPS的电源地接至同一个地,保证等电位。
2.各个硬件设备操作员站、工程师站、网络交换机、服务器主机、系统显示器等采用外壳接地或直接将电源地线连接至电气接地网。
3.I/O组件模拟量模件的40端即直流24伏的负端接至逻辑地汇流排上,逻辑地汇流排接至屏蔽地,再接入总接地汇流排。
4.屏蔽地现场控制站的保护地应从机柜下方的接地螺钉接至接地分干线,现场控制站的屏蔽地应从接地汇流排接至公共连接板。
5.接地电阻测试接地系统的电阻进行测试,以保证接地能满足控制系统制造商的要求。
1用电仪表的外壳、仪表盘、柜、箱、盒和电缆槽 、保护管、支架、底座等正常不带电的金属部分,由于绝缘破坏而有可能带危险电压者,均应做保护接地。
对于供电电压不高于36V的就地仪表、开关等,当设计文件无特殊要求时,可不做保护接地。
YOKOGAWA DR241-02-33-1W/C2/H1/D2 DR24102331WC2H1D
YOKOGAWA DR241-00-31-1W/C2/H1/D2 DR24100311WC2H1D
YASKAWA ELECTRIC SGDB-33-DD SGDB33DD
YASKAWA ELECTRIC CACR-SR30BB1AF CACRSR30BB1AF
YASKAWA ELECTRIC CACR-SR20BB1AF CACRSR20BB1AF
WESTINGHOUSE 6968D55G02 6968D55G02
VAISALA SENSOR SYS DMP246 DMP246
TOSHIBA VT130G2-4330 VT130G24330
TELEMECANIQUE XBT-E015110 XBTE015110
TELEMECANIQUE TSX-SCM-2014 TSXSCM2014
TELEMECANIQUE ATS-46C48N ATS46C48N
TAYLOR ELECTRONICS 6204BZ10101G 6204BZ10101G
TAYLOR ELECTRONICS 1734FC14200A 1734FC14200A
TAVIS CORPORATION 10347-1 103471
SIEMENS 6SN1130-1DA11-0BA0 6SN11301DA110BA0
SIEMENS 6SE9-221-0DC40 6SE92210DC40
SIEMENS 6SE7-031-2TF60-Z 6SE70312TF60Z
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SIEMENS 6ES7-416-2XL01-0AB0 6ES74162XL010AB0
SIEMENS 6ES5-944-7UB11 6ES59447UB11
SIEMENS 6ES5-526-3LF11 6ES55263LF11
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SIEMENS 6DD1-606-3AC0 6DD16063AC0
SIEMENS 6AV3647-6BC54-1AP0 6AV36476BC541AP0
SICK OPTIC ELECTRONIC LMS211-30206 LMS21130206
SCOTT TURBON MIXER INC TMS-6 TMS6
SANYO DENKI B21M1K7MXR10-B B21M1K7MXR10B
SANYO DENKI B21M1K7MXR10 B21M1K7MXR10
RONAN ENGINEERING CO 3.6X12-2000 36X122000
RELIANCE ELECTRIC 86466-80R 8646680R
RELIANCE ELECTRIC 86466-3R 864663R
RELIANCE ELECTRIC 8108000 8108000
RELIANCE ELECTRIC 805401-7R 8054017R
RELIANCE ELECTRIC 805401-1S 8054011S
RELIANCE ELECTRIC 7C658 7C658
RELIANCE ELECTRIC 6SP44020 6SP44020
RELIANCE ELECTRIC 603515-5A 6035155A
RELIANCE ELECTRIC 57C-440A 57C440A
RELIANCE ELECTRIC 45C-15D 45C15D
RELIANCE ELECTRIC 45C-15C 45C15C
RELIANCE ELECTRIC 45C-15A 45C15A
RELIANCE ELECTRIC 45C-15 45C15
RELIANCE ELECTRIC 11C83K 11C83K
POWERTEC INDUSTRIAL MOTORS INC C0202-S4CH099 C0202S4CH099
PACKARD C384V00 C384V00
ORMEC SAC-D37R/I SACD37RI
ORMEC MAC-B330G/K1A MACB330GK1A
OMRON V530-R150EP-3 V530R150EP3
OMRON F200-C10E F200C10E
OMRON F200-C10E F200C10E
NORDSON 303541A 303541A
MOORE PRODUCTS 15799-91-8 15799918
MOORE PRODUCTS 15494-126 15494126
MODICON P420 P420
MODICON MM-PM21-300 MMPM21300
MODICON AS-S911-000 ASS911000
MODICON AS-P420-000 ASP420000
MODICON AS-C484-266 ASC484266
MODICON AS-C484-065 ASC484065
MODICON AS-584M-240 AS584M240
MODICON AS-584L-121 AS584L121
MODICON AS-584A-038 AS584A038
MODICON AS-584A-036 AS584A036
MODICON AS-506P-F32 AS506PF32
MODICON 160-CPU-42401 160CPU42401
MODICON 140-CPU-651-50 140CPU65150
*PBD-23900248
FR-A840-00770-2-60
6GK5216-0BA00-2AC2
PFEA111-20
SGMGV-44DDA6F
SGMGV-1ADDA6F
DCS401.0500
3HNA024871-001
3WL9111-0AF04-0AA0 1
6GK5310-0FA10-2AA3 1
2080-LC20-20QBB 3 面价2109
22A-D2P3N104 2 4822
ATV71HD15N4Z 1
7MH5001-0AA00 1
6ES7136-6AA00-0CA1 8
6ES7134-6HB00-0DA1 5 6ES7134-6TD00-0CA1
6ES7647-6BB05-0AX0 1
A5E35875655 8
6EP1961-3BA10数量10
HGX-0572896 1
USAHEM-02-TE53 1
440H-S34021 新面价:563 数量2
LDZ10501382 1
7KM2112-0BA00-3AA0 1
ACS-CP-A 1
A06B-6114-H208 1
A068-6112-H011 1
A068-6110-H015 1
6ES7953-8LL20-0AA0 1
1769-OB16 8 面价3690
6SL3100-0BE21-6AB0 1