T2550常用模件类型

DI4 2500 四通道开关量输入 （逻辑输入）
DI8_LG 2500 八通道开关量输入 （逻辑输入）
DI8_CO 2500 八通道开关量输入 （接点输入）
DI6_MV 2500 六通道开关量输入 （交流电输入, 115V rms）
DI6_HV 2500 六通道开关量输入 （交流电输入, 230V rms）
　

DI4 digital input - 4 channel

This digital input module accepts four logic inputs, and may be wired either for voltage input （either polarity） or for contact closure.

No of channels: 4
Input functions: On/Off, pulse and de-bounce

DI8 logic input - 8 channel

This eight channel digital input module accepts eight logic inputs and is available in two factory option formats for voltage or contact-closure input.

No of channels: 8
Input functions: On/Off. pulse and de-bounce inputs with input invert

DI6 AC voltage input - 6 channel

The six channel digital input module accepts AC voltage inputs and is available in two factory options optimized for 115V ac or 230V ac ranges.

No of channels: 6
Input functions: On/Off or de-bounce
Frequency: 47Hz-63Hz