4PP045.0571-062
¥888.00
4PP045.0571-042
¥888.00
4PP035.0300-K05
¥888.00
4PP015.0420-36
¥888.00
4P3040.01-490
¥888.00
4P3040.01-450
¥888.00
B&R/贝加莱 4PP065.1043-K01
有源开关信号也是可以的，加个中间继电器就可以，至于选DC24V继电器还是AC220V继电器则以信号源电压等级作为依据。具体做法如下：
1.输入信号接到继电器线圈的两端子上。
2.继电器的触点（一般为常开触点）接到PLC开关量输入卡件的通道端子上。
由于信号是有源的，当信号端回路接通时，会驱动继电器线圈，从而带动继电器触点动作。这样便实现了有源信号在开关量输入卡件上显示的目的。
简单来说就是有电压或电流的输出就是有源信号，没有的就是无源，比如说，4-20mA，0-10V等都是有源信号，热电阻、热电偶等是无源信号，PLC的输出是有源信号，继电器的触点输出是无源信号。
1 F. Q7 e&＃39; |( @/ F( E) s8 X1 q( -----------------------------------------1 F. Q7 e&＃39; |( @/ F( E) s8 X1 q( ---------------
------------------------------------------1 F. Q7 e&＃39; |( @/ F( E) s8 X1 q(
TELEMECANIQUE PREVENTA EMERGENCY STOP MONITORING RELAY GSK3LB SER. C
ALLEN BRADLEY 23-7*** OVERLOAD RELAY 592-A1KD
SIEMENS SINUMERIK SIMODRIVE CABLE ASSEMBLY 6FX2002-1CA01-1?AC0
ELVA CONTROL MODULE MIFC
TRANE UCP3 STARTER MODULE 6400-1122-03 REV. B
SONY MAGNESCALE LINEAR ENCODER SR33-082AL035/C?N33
CONTINENTAL INDUSTRIES SOLID STATE RELAY S505-0SJ625-000 *LOT OF 2*
BOSTON CONTROL BOARD 106703903 REV. B
INGERSOLL RAND CONTROL MODULE 99388019 R08
TELEMECANIQUE SCHNEIDER AUTOMATION TERMINAL ***LATION BOX TSXPACC4
INTERMATIC ELECTRONIC 7-DAY TIME SWITCH ET715C
MERLIN GERIN 415VAC 250A 3-POLE MSC CHASSIS C125183
DIGITAL ELECTRONICS CORP MEMORY BOARD 5017068-01
TEXAS INSTRUMENTS CONTROL MODULE 565-2120
STANLEY RIGHT ANGLE ELECTRONIC NUTRUNNER EF30LS6***XG-22 *LISTING #1*
SOLA 24V 1.2A OPEN FRAME DC POWER SUPPLY 83-24-212-03
HASKEL 125PSI AIR, 320PSI OUTLET, AIR PRESSURE AMPLIFIER HAA31-2.5-N
HONEYWELL ACO CONTROL BOARD EZV505
PEPPERL+FUCHS INTRINSICALLY SAFE BARRIER TYPE: Z479/EX
WATLOW DIN-a-mite SOLID STATE RELAY DD1C-1M60-C000
KRAFTELEKTRONIK CONTROL BOARD MK 380B
USON 486 CPU CARD 486A300H
AEG 3-POLE, 600V, 600A CONTACTOR LS330.22
HOBART EXPANSION PC BOARD 192108
DAYTRONIC FREQUENCY TO VOLTAGE CONDITIONER MODULE 9140
NEATEK PCISA BUS BACKPLANE BOARD IP-6S VER 1.1
KURT 4-CHANNEL LVDT INTERFACE MODULE KurtUSB LVDT
DATAFORTH WIDE BANDWITH ***LATED VOLTAGE INPUT MODULE SCM5B41-03
MICROSCAN 10-28VDC MS-820 LASER BARCODE SCANNER FIS-0820-0003
CHARMILLES TECHNOLOGIES CONTROL BOARD 851 5250
OKUMA CR CARD 1 RELAY BOARD E3900-596-001-B
BIELOMATIK CONTROL MODULE 8540-02.501
KRAFTELEKTRONIK CONTROL BOARD MK 381B
FANUC 528V 208A TRASNSFORMER A81L-0001-0165
INTELLIGENT INSTRUMENTATION RTD INPUT MODULE PCI-5B34 5B34-02
ACOPIAN 12V REGULATED DC POWER SUPPLY B12G100
CINCINNATI MILACRON 17-SLOT BACKPLANE BOARD CMB16 / 3 542 1127A
WARRICK CONTROLS ELECTROMECHANIC?AL CONTROL 1D1D4
HONEYWELL 24V MODUTROL IV MOTOR M7282A1022 *NEW*
ABB VARIABLE SPEED AC DRIVE ACS101-1K6-1 *PLASTIC*
TOKIN 250V, 10A, SINGLE-PHASE NOISE FILTER GF-210U
MARPOS CONTROL BOARD 6830099905
EMERSON DC DRIVE CONTROL BOARD 2600-4105 REV. E
FUJI ELECTRIC 100A 500V BIPOLAR TRANSISTOR MODULE EVL31-050
NSK MEGATORQUE MOTOR EDC DRIVER UNIT M-EDC-PS1018ABC?02
SEMIKRON POWER BRIDGE RECITIFER SKB 50/08 A3
SIEMENS ADAPTER MODULE 720 2001-01 *LOT OF 10*
STANLEY 5/8IN DRIVE IN-LINE ELECTRONIC NUTRUNNER E40MF2XXG-55 *LISTING #1*
在线问
