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Summary of Contents for Omron NT2S-SF123B-E
- Page 1 While writing this document, It is assumed that the user is well acquainted with the PLC being used and with Windows based software usage, in general. Hereafter, in the manual, NT2S-SF123B-E will be referred to as NT2S C.
- Page 2 General: The NT2S C is intended to be used as a low cost Operator interface for PLCs which are rich in program memory or data memory areas such as the Omron C Series PLCs. The NT2S C has the following features:...
- Page 3 DOWN arrow keys will scroll through the register/bit numbers. After timeout specified by bits 10 and 11 and if no key is pressed, the unit will switch back to the Screen mode and display screens. Thus Operator mode is a combination of Register as well as Screen modes.
- Page 4 DM0015 (in which DM0012 to DM0015 are used for Bar Graph) in every scan. The data in these registers can be embedded in the screens. To do so, use hex bytes 0 to B (C to F used for Bar Graph) corresponding to register DM0000 to DM0011 respectively in the screen.
- Page 5 Move number 200 in DM0020 since the screen text will be stored in DM0200 onwards. Move character string “Last Rinse Cycle” into 8 words from DM0200. In a similar manner, the characters “Water pump is on” can be embedded into 8 words from DM0208. (i.e. from DM0208 to DM0215)
- Page 6 This will put the following data in the data words below: Word ASCII Hex Word ASCII Hex DM0200 4C61H DM0208 5761H DM0201 7374H DM0209 7465H DM0202 2052H DM0210 7220H DM0203 696EH DM0211 7075H DM0204 7365H DM0212 6D70H DM0205 2043H DM0213...
- Page 7 Suppose the following screen needs to be displayed : Door: CLOSED BAKETIME: 13.6s Suppose the bake time is available in data word DM0100 and the oven status is given by bit I001.00. To display the above screen, do the following: Move number 200 in DM0020 since the screen will be stored in DM0200 onwards.
- Page 8 DM0208. NT2S C uses DM0000 to DM0011 registers for embedding data. Here we select DM0003 to be used for embedding. So, move the data of DM0100 into DM0003 so that embedding can be done. Put 03032E03H in words DM0213 and DM0214. The NT2S C will read data in DM0003 and embed in xx.x format.
- Page 9 DATA key. The data field will blink to indicate that the unit is ready to accept new data. At this time, the UP or DOWN keys can be used to edit data followed by the ENT key. It is advisable to create a “password” screen which can block the usage of the register mode.
- Page 10 Triggering screens : As it can be seen from the above examples, there are two ways to display screens with NT2S C : 1. Keep all the message characters in the data memory ( the Omron PLCs have lot of data registers which in most applications involving simple digital controls are not used anyway ) and simply change the offset register to display different screens.
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