求翻译：输出自由可选：继电器触点、SSR驱动电平、可控硅过零和移相脉冲触点输出；模拟量变送输出；+24VDC电源馈电输出。是什么意思？

Free optional output: Relay contact, SSR drive level, SCR zero and phase-shifted pulse contact output; analog transmit output; +24 vdc power feed output.

Free optional: Output relay contacts, SSR drive level, silicon-controlled zero and phase-shift pulse contact output; the output analog output; + 24 VDC power feed output.

Outputs freely may elect: Relay electronic contact, SSR actuation level, silicon-controlled rectifier zero crossing and phase shifting pulse electronic contact output; The simulation quantitative change delivers the output; +24VDC power source feed output.

Free optional output: relay contact, SSR driving levels, thyristor zero-crossing and phase-shift pulse output; simulation vector output; +24VDC feed output.

正在翻译，请等待...