WC

在以改变几何形状和机械性能为特征的制造工业和以物理变化和化学变化将原料转化成产品为特征的过程工业中，除了以连续量为主的反馈控制外，特别在制造工业中存在了大量的开关量为主的开环的顺序控制，它按照逻辑条件进行顺序动作号按照时序动作;另外还有与顺序、时序无关的按照逻辑关系进行连锁保护动作的控制;以及大量的开关量、脉冲量、计时、计数器、模拟量的越限报警等状态量为主的—离散量的数据采集监视。由于这些控制和监视的要求，所以PLC发展成了取代继电器线路和进行顺序控制为主的产品。在多年的生产实践中，逐渐形成了PLC、DCS与IPC三足鼎立之势，还有其它的单回路智能式调节器等在市场上占一定的百分比
SIEMENS LOGIC CONTROL 6ED1 052-1FB00-0BA1
ALLEN BRADELY BULLETIN 1336CONSTANT TORQUE 3-PHASE AC DRIVE 1336-B007-EAD-FA2
GETTY PERMANENT MAGNET FIELD SERVO MOTOR
SIEMENS SIMATIC S5 6ES5482-8MA13
SIEMENS MICROMASTER 4 AC COMMUNICATION CHOKE 6SE6400-3CC01-4BD3
SIEMENS SIMATIC S7 6ES7 407-0KA01-0AA0
SCHNEDIER MODULE TSXBLK4
INDRAMAT POWER SUPPLY TVD
SIEMENS SERVO MOTOR 1FK7042-5AF71-1AA2
GETTYS DC SERVO MOTOR
INDRAMAT PROGRAMMING MODULE MOD1/0X
SIEMENS SERVO MOTOR 1PH7133-2JF02-0BA0
ALLEN BRADLEY COMMUNICATION MODULE 1203-GK1 SER A
SIEMENS SERVOMOTOR 1FT6041-4AF71-3AA2
ALLEN BRADLEY DRIVE 1336VT-B015-EON-FA
MITSUBISHI MOTION CONTROL MODULE MC611
MITSUBISHI SERVO MOTOR HC-SFS102K
ALLEN BRADLEY DRIVE 1336-C040-EOG-L3 REPAIR SERVICE
TELEMECANIQUE SQUARE D LC1 F400
TEXAS INSTRUMENT CONTROLLER CARD *AS IT IS
LENZE 8200 VECTOR DRIVE E82EV402-4C200
ALLEN BRADLEY ULTRA3000 DRIVE 2098-DSD-005-DN PART NSER B
FANUC DRIVE,A06B-6127-H102
SIEMENS MICROMASTER 4 BASIC OPERATOR PANEL 6SE6400-0PB00-0AA0
FANUC AC SERVO MOTOR A06B-0371-B069
DIRECT LOGIC PLC MODULE D0-06DR
INDRAMAT SERVO MOTOR MAC112C-0-ED-4-C/130-A-2/WI520LV/S018
SIEMENS DRIVE 6SC6612-0CA01
ALLEN BRADLEY SERVO MOTOR MPL-B430P-MJ22AA
SIEMENS OVERLOAD RELAY 3UA7020-1C
POLYGON TRANSFORMER ANN
SIEMENS SERVO MOTOR 1FK7080-5AF71-1SH2
EUROTHERM 590 DRV DC DRIVE 955D8R22
SIEMENS SERVO MOTOR 1FT6064-1AH71-2EH1
MITSUBISHI SERVOMOTOR HC-SFS352B
SIEMENS SIMODRIVE 6SN1145-1BB00-0EA1
SIEMENS SERVO MOTOR 1FK7080-5AH71-1AH2