36 → festo.com/didactic Industrial Instrumentation and Process Control > Components 1 Distributed I/O Module (HART) Interface module ET200M from Siemens. Allows the connection of analog I/Os using HART communication protocol to a Siemens PLC through PROFINET communication. Features eight 4-20 mA HART analog inputs and eight 4-20 mA HART analog outputs. With six fault insertion switches. Order no. 589674 2 Emergency Switch Station Mushroom-type push-button that opens its circuit when the button is pressed in order to cut the power to some of the 24 V dc outputs of the electrical unit, the pneumatic unit, and the pump drive. Order no. 582352 Indicator-Light/Push-Button Station Three industrial push-buttons, one normally closed and two normally open, to operate the Pressure, Flow, Level, and Temperature Process Learning Systems. With three indicator lights. Operates at a voltage of 24 V DC. Order no. 587871 3 Process Control Signal Tower Three lights providing visual signals for various states of the pressure, flow, level, and temperature processes. Lights are stacked one upon another, up to five modules. Each module is easily programmable without any special wiring or tools. Order no. 587869 4 Energy Manager Device that records the temperatures measured at different points in the system. It can use the flow rate signals coming from optional transmitters to calculate energy balances in real time. It features an alphanumeric display with eight buttons and is powered by a 24 V dc signal. Up to four Platinum RTDs (Model 46917) can be connected to the inputs of the Energy Manager. Output relays and 4-20 mA outputs are also part of the device. The device can be programmed using a computer and a serial cable. Order no. 582435 5 Deionization Unit Designed to filter the process fluid and capture the ions it contains. Composed of two cartridge holders and their associated filters. The prefilter cartridge contains a filter which removes many impurities from the water. The deionization cartridge captures ions from the fluid in its resin. Order no. 588437 6 Water Analyzer Multifunction device which allows the simple and accurate measurement of the pH, conductivity, resistivity, oxidation reduction potential, total dissolved solids and Langelier saturation index of a test solution. Order no. 588424 7 Paperless Recorder Device that acquires, displays, records, and archives analog input signals. Four high-speed 4-20 mA inputs with a scan time of 100 ms can be displayed on the thin-filmtransistor (TFT) 17.8 cm (7 in) color display. It can be configured using push-buttons and a shuttle dial, and it can be programmed to activate one of four output relays. Data can be recorded in the internal memory or transferred to a USB stick. An Ethernet port enables recorder integration into a PC network (TCP/IP). Order no. 595185 Components Monitoring 1 4 2 5 3 6 7
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