描述
继电器输出、晶体管输出和晶闸管（可控硅）输出。如图1所示。要注意输出负载电源要求。输出主要技术指标见表1。由表1可知，晶闸管输出只可接交流负载，晶体管输出只能接直流负载，继电器输出既可接交流负载也可接直流负载。当负载额定电流、功率等超过接口指标后要用接触器、继电器等过渡，通过它们接大功率电源。
Allen Bradley Cat # 1745-E151 Expansion Unit SLC150 NEW
Allen Bradley Cat # 1745-E152 Expansion Unit SLC150 NEW
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ALLEN BRADLEY 1745-LP104 USPP 1745LP104
ALLEN BRADLEY 1745-E104 USPP 1745E104
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ALLEN BRADLEY 1745-LP154 NSPP 1745LP154
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Allen Bradley A-B 1745-LP153 SLC 150 Processor Unit
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ALLEN BRADLEY 1745-E151 NSFP 1745E151
