XC1-16R-E
XC1(economical)

8 DI/8 DO, AC220V power supply; without expansion module, without BD board or clock; power-off retentive; support basic logic control and data operation.

XC1-24R-E
XC1(economical)

12 DI/12 DO, AC220 power supply, without expansion module,
can not connect with BD board, without clock, power-off retentive, Support basic logic control and data operation,

XC1-32R-E
XC1(economical)

18 DI/14 DO, AC220 power supply;
can not expand with expansion module, BD board and clock;
power-off retentive; support basic logic control and data operation;