CPU 221无I/O扩展能力；CPU 222多可连接2个扩展模块（数字量或模拟量）；CPU224和CPU226多可连接7个扩展模块。（1）输入/输出扩展模块S7-200系列PLC目前提供如下扩展模块：①数字量输入扩展模块_EM221（8DI）；②数字量输出扩展模块_EM222（8DO）；③数字量输入和输出混合扩展模块_EM223（8I/O，16I/O，32I/O）；④模拟量输入扩展模块_EM231（3AI，A/D转换时间为25μs，12位）；⑤模拟量输入和输出混合扩展模板_EM235（3AI/1AO，其中A/D转换时间为25μs，D/A转换时间100μs，位数均为12位）
倍德立（厦门）科技有限公司
销售经理:张卫东 联系电话：13055237500 座机：0592-6085900 QQ:3454941352
销售经理：杨帆 联系电话：13358371730 座机：0592-6085900 QQ: 2921696645
销售经理：叶工 联系电话：15359890861 座机：0592-6087118 QQ: 2650907184
优势品牌：
Siemens（西门子）:
● 西门子S7-200CN、S7-200SMART、ET200、 S7-300 、S7-400 、6AV、6G系列备件.
● HMI 触摸屏TD200、TD400C、TP177、MP277、MP377、SMART700 、SMART1000.
● MM系列变频器、电源模块、1200模块、触摸屏、1500模块、smart模块.
● 西门子电线电缆、DP接头 、网线网卡等附件.
AB（罗克韦尔）:1734/1746/ 1747/ 1756/1762系列， 承接AB罗克韦尔全系列PLC 变频器、触摸屏、软启动、伺服等业务.
Schneider（施耐德）:PLC控制器、140处理器、输入输出模块、电源模块、变频器低压配件等。
P+F倍加福、Phoenix菲尼克斯、IFM易福门、Beckhoff倍福、富士、ABB低压 等进口品牌.
TIM310-1030000
SRS50-HZA0-S39
SRS50-HZA0-S21
WL11G-2B2531
WT150-P460
WL150-P430
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WTT12L-B3567
WT24-2B410
WT24-2R210
WT34-R210
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TIM240-2050300
KTM-MB8A191P
BES M12MI-PSC40B-S04G
BES M12MI-PSC40B-S04G
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BMXP342020
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RDCU-02C
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AU3063
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20F11NC022JA0NNNNN
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BHS001L
巴鲁夫 BES 516-300-S135-S4-D
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NF800-CEW 3P 400-800A
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1769-L33ER
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BNI008A
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NVF3-MOH-5/2-K-1/4-EX
PFAN-10X1,5-NT
PFAN-12X1,75-NT
SVS-3-1/8
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YSR-10-10-C
YSR-12-12-C
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HGL-1/2-B
DHPS-10-A
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DHPS-35-A
GR-QS-6
DSR-25-180-P
DSR-32-180-P
LFR-1/4-D-MINI-MPA
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MFH-3-1/2
MFH-3-1/8
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VUVG-LK14-M52-AT-G18-1H2L-W1-S
VUVG-L14-M52-AT-G18-1P3
VUVG-B14-P53C-ZT-F-1T1L
SMT-8M-A-PS-24V-E-0,3-M8D
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543861 SME-8M-DS-24V-K-0,3-M8D
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543872 SME-8M-ZS-24V-K-2,5-OE
BCC A313-A313-A313-T0021-000
BCC0AA5
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Ni8-M18-AN6X-H1141
FX3U-1PG
FX3U-ENET-L
RX42C4
RY42NT2P
R08CPU
QD81DL96
Y1TA100QXT3
BPS 3481 SM 100
LDP100
PXV100-F200-B17-V1D
BHS0034
Q86VR3R-B 31653 EID:3031653
Ni15-M30-AZ3X/S90
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CJ2M-CPU34/35
CJ1W-AD081-V1
E2E-X2D1-N 2M
E2E-X3D1-N 2M
NX-ID5342/OD5121
NX-SOD400/SID800
6XV18300EH10
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2027180
VFS60A-TGPZ0-S01