Intelligent Technologies (IT.) D77A I/O Module Products10 For more information visit: www.EatonElectrical.com MN05002001EAnalog Input Module SpecificationsTable 15: D77A-NI4 Analog Input Module Specifications(See Figure 5 for circuit diagram)Catalog NumberD77A-NI4Voltage Input Current Loop InputVoltage Input 0 – 5V, 1 – 5V, 0 – 10V DC —Current Input — 4 – 20 mA, 0 – 20 mAInput Type Single End, Uni-polarResolutionNote: Input filter settings affect theeffective resolution of the channels.Voltage Resolution Current Resolution50Hz 0-5VDC 14 bit 0-20mA 14 bit0-10VDC 14 bit 4-20mA 14 bit1-5VDC 14 bit60Hz 0-5VDC 14 bit 0-20mA 14 bit0-10VDC 14 bit 4-20mA 14 bit1-5VDC 14 bit250Hz 0-5VDC 14 bit 0-20mA 12 bit0-10VDC 13 bit 4-20mA 12 bit1-5VDC 12 bit500Hz 0-5VDC 9 bit 0-20mA 9 bit0-10VDC 10 bit 4-20mA 9 bit1-5VDC 9 bitInput Full Scale Range 0 – 10.5V or 0 – 5.25V 0 – 21 mAMaximum Overload at Input Terminal 30VDC 32 mANumber of Channels 4Selectable Input Filter Frequency 50Hz, 60Hz, 250Hz, 500HzInput Group-to-Bus Isolation 500 VAC for 60 secondsCommon Mode Rejection Greater than 60 db @ 50/60 HzNormal Mode Rejection ratio -50 db @ 50/60 HzAccuracy +/– 0.3% Full Scale @ 25°C+/– 0.4% Full Scale @ 0-55°C+/– 0.45% Full Scale @ 25°C+/– 0.5% Full Scale @ 0-55°CInput Impedance 15M ohm 250 ohmOperating Temperature 0–55°CStatus LED Indication Module StatusQCPort Current Draw 60 mATerminal Screw Torque 4.5 inch-pounds (0.51 Newton-meters)
