由于各层对通信的要求相差甚远，如果采用单级子网，只配置一种通信协议，势必顾此失彼，无法满足所有各层对通信的要求。只有采用多级通信子网，构成复合型拓扑结构，在不同级别的子网中配置不同的通信协议，才能满足各层对通信的不同要求。

销售负责人：张亮（工程师）    专线：0592-6809819

24小时移动专线：18030028083      QQ：2314094943   【传真：0592-6890859】

    PLC网络的分级与生产金字塔的分层不是—一对应的关系，相邻几层的功能，若对通信要求相近，则可合并，由一级子网去实现。采用多级复合结构不仅使通信具有适应性，而且具有良好的可扩展性，用户可以根据投资情况及生产的发展，从单台PLC到网络、从底层向高层逐步扩展。下面列举几个有代表性公司的PLC网络结构。

KOLLMORGEN BDS4A-206J-404A2 SERVO DRIVERFB

ALLEN BRADLEY 1336-B005-EOD-L3-S1 3PH AC DRIVENT

MITSUBISHI Q02HCPU HI-SPEED CPU MODULE 

MODICON CL111/110-091 CYBERLINE SERVO DRIVE

TOYOGIKEN TRH3K-21N 50/60Hz PRI: 200V/220V SEC: 100V/11

ALLEN BRADLEY 1336E-BRF10-AN-EN-HAP-L7E DRIVE 1HP 

ALLEN BRADLEY 1336E-BRF20-AN-EN-HAP-L7E DRIVE 2HP 

ALLEN BRADLEY 1336E-BRF20-AN-EN DRIVE 2HP 480VAC N

RELIANCE 0-51668-1/051668-1/0516681/O-51668-1 INSTRUMEN

RELIANCE 2GU21002 AC VS DRIVE 2HP 2.9VA 

SIEMENS 6AC6-935-4DA13/6AC69-35-4DA13/6AC6935-4DA13/6AC

SQUARE D 9070EO10D101E23 TRANSFORMER PRI: 480/575 SEC: 

MOTOROLA 027P7TH CARD RACK WITH + 3X-DHM-E CARD + 1X SM

ALLEN BRADLEY 1302-C010-AF 10HP AC DRIVE 14.5/12ANN

MCG 2284-ME3649 SERVO MOTOR 

WESTINGHOUSE 3365D47G20 COIL 

WESTINGHOUSE 3365D47G11 COIL 

ALLEN BRADLEY 2094-AC05-MP5-S/A POWER SUPPLY SERVO DRIV

FANUC A02B-0211-C050 HANDY OPERATOR PANEL TYPE BXLNT

SCHLEICHER COP H/DM25/N0/Z3J/V0/K15 PORTABLE CONTROL MO

INDRAMAT DDS 2.1-W100-D AC SERVO DRIVE

MAZAK D65B004371 INTERFACE CARD 

SCHAFFNER FN 510-66-34/FN5106634 INVERTER OUTPUT FILTER

TEXAS INSTRUMENTS 5TI-1013 SEQUENCER MODULE

ROCKWELL AUTOMATION 319433-A02 REV. 03 PC BOARD ASSEMBL

SIEMENS 6ES5-242-1AA32/6ES52-42-1AA-32/6ES5242-1AA32/6E

LOUIS ALLIS 46S01660-0010/46S01660-10 REGULATOR BOARD

B&R/INFIMATIC 8V1045.00-2 ACOPOS 1045 SERVO DRIVEXLNT

SIEMENS 6ES5-103-8MA03/6ES51-03-8MA03/6ES5103-8MA03/6ES

FANUC A20B-8001-0700/02B RIO INTERFACE CARD

GE FANUC IC693CPU352-EK CPU MODULE 240K MEMORY NT

HALMAR ROBICON 3PCI-4890-CL/OC-D-5 SCR POWER CONTROL 90

ALLEN BRADLEY 2706-P42C INVIEW LED MESSAGE DISPLAY PANE

ALLEN BRADLEY 20B-D-8P0-A-3-AYNAEN0/20BD8P0A3AYNAEN0 

SIEMENS 6ES5-942-7UA11/6ES59-42-7UA11/6ES5942-7UA11/6ES

MITSUBISHI FR-A260E-3.7K-UL 5HP 575V AC DRIVE 

AEG/GOULD/MODICON/SCHNEIDER AS-C484-265 MAINFRAME CONTR

BOSCH/REXROTH/INDRAMAT VCM 2.0/VCM2 PC BOARD CONTROL MO

AEG 380.6 29.2308.0141 MINISEMI DC DRIVE

ELTRON QB440S/C QUALABAR 440 PRINTING SYSTEM

MICROSCAN MS-7000/FIS-7000-0002 SCANNER

AEG/GOULD/MODICON/SCHNEIDER 557-VCM-761-10/557VCM76110/

SOLA TYPE 43 MINI/MICRO COMPUTER REGULATOR 

SIEMENS 6ES5-470-4UB12/6ES54-70-4UB12/6ES5470-4UB12/6ES

ALLEN BRADLEY 512-AJA-6P-24R STARTER W/DISCONNECTNI

HONEYWELL 30731811-001 OUTPUT MODULE

SIEMENS 6ES5-451-7LA12/6ES54-51-7LA12/6ES5451-7LA12/6ES

SIEMENS 6ES5-921-3UA12/6ES59-21-3UA12/6ES5921-3UA12/6ES

SIEMENS 6SE7090-0XX84-0AB0 CONTROL BOARD (DAMAGED CONNE

GE FANUC IC660EBA023C ELECTRONIC ASSEMBLY