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PD 3100-CE DIGITAL I/O MODULEFEATURES
* 32 Input/Output Channels (24 VDC) * Pulse or Contact Counting * Pulse and one-shot on all outputs * Output Feedback Facility * Selectable Automatic Functions * Opto-isolated Inputs and Outputs * Overload and overheat Protection * Current measuring on each channel * Continuous Self test * P-NET Fieldbus Communication * Watch Dog Timer * Rail mounting module (DIN / EN) * EMC approved (89/336/EEC)
APPLICATIONThe PD 3100 Digital I/O Module is one of a collection of distributed process control units, intended for use within the P-NET local area network. It provides a versatile interface between valves, switches, pulses, lamps, alarms, motors, level detectors, etc., and a central control computer.
SYSTEM DESCRIPTION The PD 3100 Digital I/O Module is provided with 32 input/output channels for 24 VDC and a communication port for the P-NET Fieldbus.
Various automatic functions can be selected on each channel, such as automatic feedback control (single as well as double), one-shot output, pulse output, etc., to reduce the basic operations from the central control system.
The automatic functions are configured in the module via P-NET, as well as the modules node address on the fieldbus. The unit offers comprehensive self testing features, which enables reporting of disconnection, overload and process failure. All inputs and outputs are protected against overload. The selectable watch dog timer ensures the safe shutdown of a process during a communications or power failure.
As a distributed module, the unit can be mounted close to the process. Data communications with other interface modules and Controllers are made with a single P-NET cable having a ring length of over 1 km. This reduces plant wiring costs to a minimum.
The output current (Sink current) is measured continuously on each channel and can be read as a value in Amps. If the current exceeds the specified max value, the output is switched off and an error code (overload) is generated in the module. A common channel in the module provides the possibility to read/set all inputs/outputs or error flags in one P-NET transmission.
The module is plugged directly onto a mounting rail (EN 50 022 / DIN 46277). The module has 6 snap connectors, which provides the terminals for field connection, power and communication.
The P-NET connection is galvanically separated from the rest of the module.
Modules may be rail mounted in a panel configuration or in a box designed for the plant environment, and may be removed for service without interference with operational activities on the rest of the network.
SPECIFICATION Power Supply 24V DC +/- 15% Output Channels 24V DC 3.0 A (Sink) max per channel, at 0 -25 °C * Output Channels 24V DC 0.5 A (Sink) max per channel, at 70 °C (see diagram)* Input impedance 6 K ohm Input Counter 16 Hz max Power consumption 6.4 Watt max Operational Temperature 0 to + 70 °C Fuse 1 A internal Rail mounting EN 50 022 DIN 46277/3 Weight 0.950 kg
PD 3100 is approved in compliance with the EMC-directive no 89/336/EEC. Test limits are determined by the generic standards EN 50081-1 for emission and EN 50082-1 for immunity
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