Description
Frequently Asked Questions about DS200DDTBG1A The DS200DDTBG1A board has high voltage AC inputs, high current signal inputs, low current signal inputs, and 4-20 mA current loop inputs, but undedicated voltage inputs as well. What are the undedicated voltage inputs? The undedicated voltage inputs are inputs that are provided through a differential input voltage amplifier that feeds an analog VCO input to the ADMA board. The makeup of this these inputs are screw-type terminal blocks and are protected from voltage surges. There are 12 jumpers on the DS200DDTBG1A board what are these jumpers used for? The purpose of the jumpers is to reassign the LEM and CT input channels to become inputs for 4-20 mA current loop signals. There are four voltage outputs on the DS200DDTBG1A board, what are these outputs, and what is their makeup? The four voltage outputs on the DDTB board are buffered analog outputs which are available at screw terminals. Each output has a 200-ohm series resistor that allows for the isolation of the amplifier from the customer connection. Included in the buffer outputs is a gain of two that provides a ±10 V output range from the ±5 V from the attached ADMA board.
Product Description The DS200DDTBG1A model is an LCI Auxiliary I/O Terminal Board from the LS2100 Series produced by General Electric. This model is connected to the IS200ADMAH1A. The DS200DDTBG1A model has seventeen LEDs, one LED indicates status while the others are software and hardware driven. Within the DS200DDTBG1A model, there is an add-only electronic ID memory feature that contains all of the board identification and hardware revision information. To access this memory you must go through the 1-wire LAN which allows for the attached DSPC board to identify the boards that are present within the system. The DS200DDTBG1A model is equipped with a 4-20 mA current loop input which allows for the LEM or CT input channels to be reassigned within the model, to perform this function certain jumpers must be reset. This model is also equipped with thirty-three test points which can be used for signal measurement. This model has a total of 17 LEDs, one of the LEDs on this board is used to indicate the status of the DS200DDTBG1A board while the other fifteen are software and hardware driven.
A communication module is a hardware or software component that enables data transmission and communication between devices. It acts as a bridge between devices, allowing data to be passed and communicated between different devices. Communication modules play a vital role in modern communication systems, they can realize the transmission, reception and processing of data, but also provide a safe and stable communication environment. Function of communication module 1. Data transmission function: The communication module can realize data transmission between devices, including real-time data, audio, video and other different types of data. They transmit data from the source device to the target device through various communication protocols and technologies, such as wireless networks, Bluetooth, Ethernet, etc. 2. Data reception and processing function: The communication module can receive the data sent from other devices, and process and decode the data. They are able to identify and extract useful information, which is then passed on to the target device for further processing or display. 3. Security guarantee function: The communication module can provide security guarantee measures to ensure the safe transmission of data. They use encryption and authentication mechanisms to prevent illegal access and data leaks. 4. Network connection function: The communication module can establish a network connection between devices, so that devices can communicate and cooperate with each other. They can connect to different networks, such as local area networks, wide area networks, etc., to achieve remote control and management of devices.
1.1 Digital/analog signal difference The digital input/output signal is the switching signal, 1 or 0, Analog signals, there are two, voltage or current signals, generally the signal transmitted by the transmitter, such as the pressure transmitter to detect the pressure of the water pipe, it will output an analog signal 4-20mA or 0-10V signal to the PLC, PLC for data processing. The switching input point (DI) processes the switching input signal. Analog input point (AI), processing analog input signals (0-20mADC,0-5VDC). Resistance signal (including thermal resistance) input point, processing thermal resistance or general resistance signal. High-speed pulse input point, processing high-speed pulse signal. Voltage (including thermocouple) input point, processing voltage input or thermocouple signal. There is also communication, which is used to exchange data with the upper computer or control the instrument driver of the lower controller 1.2 Difference between digital and analog input modules According to the difference of field input signal, the input module can be divided into switching input module and analog input module. The function of the switching input module is to convert various switching signals into TTL standard signals required by the CPU. According to the input power supply type, it can be divided into DC input module and AC input module. The input signal is converted into TTL (5V) standard signal by photoelectric coupling after voltage division, current limiting and filtering. The function of the analog input module is to convert the continuously changing analog signals such as temperature, flow, current, voltage, etc. into several digital signals that the CPU can process. The analog input circuit is generally composed of op amp conversion, mode conversion (A/D), photoelectric isolation, etc. Types of PLC input and output modules: digital input DI, digital output DO, analog input AI, analog output AO. Digital input and output are generally 24V. There are 4 kinds of analog quantities in 2 categories, and the 2 categories are voltage type and current type respectively. Voltage type has 0-10V and -10 to 10V. Current type mainly has 4-20MA,0-20MA. Then the module converts the analog quantity into A number between +32767 and -32768 through A/D conversion, and then implements the control. The function of the signal template is to convert various process i/o signals. The input signals are converted into digital quantities, which are easy for plc to identify, process and analyze. The output is converted into analog to various regulating mechanisms for execution, or the output is converted into a 2-bit do quantity to control some devices such as start, stop, on and off
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