PLC (programmable controller), 16DI/ 16DO. Support relay/transistor output, support AC90~260V/ DC20~30V. ItemSpecificationsMain unit ItemXC1-32R-EXC1-32T-EXC1-32R-CXC1-32T- ... T299), with memory (T300-T399)1ms timer: set time 0.001-32.767 seconds (T400-T499), with memory (T500-T599). ... -diagnose functionPower on self-diagnose, monitoring timer, grammar check Programmable controller PLC Xinje-XC1-32