Digital I/O module PD621

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• Individually Configurable Digital I/Os for nominal 24 volts signals and 1 amp (2 Amp) loads. • Built in input and output functions. • Autonomous counting to 200 Hz • Load current measurement • Overload/Underload protection and Alarming. • Advanced internal self testing. • Wide power supply range. • Wide temperature range. The PD 621 has six general-purpose digital channels, which are normally all configured for either input or output. When configured as an input device, the BM 005 Base Module is used. When configured as an output device, BM 006 is used. Alternatively, by configuring channels 1-4 as inputs and channels 5 and 6 as outputs, the latter can use the two built in relays in BM 004. All of these combinations provide easy-to-use DIN-rail mounting. The diagram shows the I/O circuits and connection possibilities for a PD 621 Power supply DC: Nom. min. max. 24.0 V 18.0 V 32.0 V Ripple: max.5 Power consumption @ 24Vdc All outputs/inputs = ON max.45 mA All outputs/inputs = OFF max.30 mA Current requirement at power up: max.60 mA Digital Input Input voltage at ON: 9 V Input hysteresis: min.0.3 V Input current at ON: max.3.4 mA Input frequency: max.200 Hz Digital Output Start current (Duration max 2 sec.) max.2 A *) Load current at ON (Sink only) max.1 A Leak current at OFF max.500 μA Short circuit cutoff delaytime (current > 2 A) max.100 μsec Oneshot and Dutycycle resolution 15.625 msec