PLC一般都有三种输出形式可供用户选择，即继电器输出，晶体管输出和晶闸管输出。在线路结构上都采用了隔离措施。
特点:
继电器输出:开关速度低，负载能力大，适用于低频场合。
晶体管输出:开关速度高，负载能力小，适用于高频场合。
晶闸管输出:开关速度高，负载能力小，适用于高频场合。
注意事项:
(1) PLC输出接口是成组的，每一组有一个COM口，只能使用同一种电源电压。
(2) PLC输出负载能力有限，具体参数请阅读相关资料。
(3)对于电感性负载应加阻容保护。
(4)负载采用直流电源小于30V时，为了缩短响应时间，可用并接续流二极管的方法改善响应时间。
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1734D-IB8XOW8S 8-In/8-Relay DNet Spring Termination Module
1734-EP24DC/B Point I/O Expansion Power Supply Module
1734-FPD/A Point I/O Field Potential Distributor Module Ser A
1734-FPD/B Point I/O Field Potential Distributor Module Ser B
1734-IA2/C 2-Channel Input Module Series C
1734-IB2/C 2-Channel Sink Input Module Series C
1734-IB4/B 4-Channel Sink Input Module Series B
1734-IB4/C 4 Channel Input Module
1734-IB4/D 4-Channel Sink Input Module Series D
1734-IB4D 4-Channel Sink Diagnostics Input Module
1734-IB8/C Digital DC Input Module 24V DC 8Ch Sink Series C
1734-IB8/D Digital DC Input Module 24V DC 8Ch Sink Series D
1734-IB8S/A Digital Input Module 24VDC 8-Ch Sink Safety Ser A
1734-IB8S/B Digital Input Module 24VDC 8-Ch Sink Safety Ser B
1734-IE2C/B 2-Channel Analog Current Input Module Ser. B
1734-IE2C/C Analog Input Module Ser C
1734-IE2V/C 2-Channel Analog Voltage Input Module Ser. C
1734-IE4C/C 4-Channel High Density Current Input Module C
1734-IE8C/C 8-Channel Analog Current Input Module Ser. C
1734-IJ/C POINT I/O 5V DC Incremental Encoder Module 5V DC
1734-IK/C Incremental Encoder Module Series C 96402274
1734-IR2/C 2-Channel RTD Input Module Series C
1734-IT2I/B 2-Channel Thermocouple Input Module Ser B
1734-IT2I/C 2-Channel Thermocouple Input Module Ser C
1734-IV4 4-Channel Source Input Module
1734-IV8/C 8-Channel Source Input Module Series C
1734-MB/A I/O Mounting Base
1734-OA4/C 4-Channel Output Module Ser C
1734-OB2E/C 2-Channel Source Output Protected Ser C
1734-OB2EP/C 2-Channel Source Output Module Ser C
1734-OB4E/C 4 Channel Output Module
1734-OB8/C 8-Channel Source Output Module Ser C
1734-OB8E/C 8-Ch Enhanced Source Output Module Ser C
1734-OB8S/A 8-Channel Safety Sourcing Output Module Ser A
1734-OB8S/B POINT I/O 8-Channel Safety Sourcing Output Module
1734-OE2C/A 2-Channel Analog Current Output Module Ser A
1734-OE2C/B 2-Channel Analog Current Output Module Ser B
1734-OE2C/C 2-Channel Analog Current Output Module Ser C
1734-OE2V/C 2-Ch Analog Voltage Output Module Series C
1734-OE4C/C 4-Channel Analog Current Output Module Ser C
1734-OW2/B Digital Contact Output Module 24V DC Ser B
1734-OW2/C Digital Contact Output Module 24V DC Ser C
1734-OW4/C Digital Contact Output Module 24V DC Series C
1734-OX2/C Digital Contact Output Module Series C
1734-PDN/B DeviceNet Communication Interface Module Ser B
1734-RTB/A 8 Point IEC Screw Terminal Block Replacement
1734-RTB3/A Replacement 12 Position IP20 Screw Terminal Block
1734-RTB3S/A 12 Position IP20 Spring Terminal Block
1734-RTBCJC Replacement CJC Screw Terminal Block
1734-RTBS/A Replacement IEC Spring Terminal Block Series A
1734-SSI/C Point I/O Synchronous Serial Interface Absolute Encoder Module 1734-SSI
1734-TB/A Module Base w/ Removable IEC Screw Terminal A
1734-TB3/A Position IP20 Screw Terminal Base Series A
1734-TBCJC/A Module Base w/ CJC Spring Terminal Series A
1734-TBS/A Module Bases w/Removable IEC Spring Terminal Ser A
1734-TOP/A One-piece Terminal Base with Screw Clamp Ser A
1734-TOP3/A Terminal Base Screw Clamp 12 Terminations Ser A
1734-TOPS/A One-piece Terminal Base with Spring Clamp Ser A
1734-VHSC/A Very High Speed Counter Source Outputs Ser A
1734-VHSC5/A Very High Speed Counter Source Outputs Ser A
1738-ACNR CONTROLNET Redundant Adapter
1738-AENT ArmorPoint EtherNet/IP Adapter Modul
1738-AENTR ArmorPoint Communication Adaptor
1738-IB4M12 Input Module
1738-OB8EM12 Output Module
1745-C1 Replacement Cable for SLC 100 /150
1745-C2 SLC 100 Interconnect Cable
1745-C2 B Interconnect Cable Series B
1745-C3 SLC 150 Interconnect Cable
1745-C3 A SLC 150 Interconnect Cable Series A
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