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Summary of Contents for Nokeval 2800-2071
- Page 1 Nokeval No 011002 Manual Model 2800-2071 for serial inputs...
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Page 2: Table Of Contents
Buffered method ..........................8 Unbuffered method ........................8 Terminal Connections ....................9 Field display 2800 construction ................. 10 Modular indicator series 2800-2000 ................11 Manufacturer: Nokeval Oy Yrittäjäkatu 12 FIN-37100 NOKIA Tel. +358 3 342 4800 Fax. +358 3 342 2066... -
Page 3: General Description
110 ohm. Power supply 85..240 VAC or 12..32 VDC/ 24VAC The field display 2800-2071 is a part of 2000 product Protection IP65 with gasket series and can be changed to other type of meter by Case dimensions 130 x 180x 80 mm simply changing the input card. -
Page 4: Front Panel
Front panel Conf-LED Unit is in configuration mode User controllable indicators. 5620.0 Arrow-buttons( ) are used to change numerical values and when moving in menu- structure. Star-key ( ) accepts selected function (enter). Moving into selected Configuration stage menu title. Configuration can be started by pressing and holding - and -keys simultaneously for 2 seconds. -
Page 5: Configuration
Configuration Beginning: function is selected with -key. Save mode can be Configuration can be started by pressing and holding selected directly by pushing -key in main menu. - and -keys simultaneously for 2 seconds. Arrow keys moves up and down in main menu. Desired Intens: Display brightness 0..15, brightest 15, BR 15... -
Page 6: Serial Protocol (Scl)
Two different serial protocols may be used to control value 3 (03h). 2071. The protocol is selected in the configuraton menu. It can be either Nokeval SCL or Ascii. In Ascii BCC is a checksum. The sender calculates it from protocol, there is no address involved, so every the command and ETX bytes using XOR operation. -
Page 7: Xor-Function Without Calculator
Non-addressable ASCII protocol and they are abandoned. Likewise the number of When using non-addressable ASCII protocol, the characters to display may be limited with Count setting message sent to 2071 consists of the text to display to 1..12. only, with no addresses, checksums etc. An example of control message: However, there has to be a terminating character at ANS_29.4PPP<CR>... -
Page 8: Reading Front Panel Keys
If the number is too big to be displayed (e.g. 1 000 000), over/underflow characters are shown. If the number was ununderstandable (no numerical characters), dashes are shown. Overflow [ ^ ^ ^ ^ ^ ^ ] Underflow [ _ _ _ _ _ _ ] Not valid [ - - - - - - ] Examples... -
Page 9: Terminal Connections
Terminal Connections Output Input RS-485 Com (-) RS-232 7 8 9 Card slot A Card slot B Card slot C Card slots B and C are for optional Power supply 85..240 VAC, cards. grey terminal Only one of the serial connectors can be 12..32 VDC, 24VAC, used at a time. -
Page 10: Field Display 2800 Construction
Panelmeter 2800-construction only closing or opening relay contacts, you need only The 2800 series field displays are modular and easy one relay card with 4 relays placed into slot C. The to assemble. According to customers wishes. The slot B is now usable for other optional outputs. basic construction consists of mother board with tree You can have different types of meters by only slots, A, B and C. -
Page 11: Modular Indicator Series 2800-2000
Modular indicator serieS 2800-xxxx 5-6 digits bright red LED display Typical option cards Alarms cards: E² 6543.21 2 relay card, change over E² contacts 4 alarm types, 3 relay card, closing contacts 4 I/O-ports Sensor supply: 2021 E² 24VDC, Output cards 2011 E²... - Page 12 Nokeval Oy Yrittäjäkatu 12 FIN 37100 NOKIA Tel. +358 3-342 4800 email support@nokeval.com Fax. +358 3-342 2066 http:// www.nokeval.com...
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