background image

1

 Manual

Model  2800-2071

for serial inputs

No 011002

Nokeval

Содержание 2800-2071

Страница 1: ...1 Manual Model 2800 2071 for serial inputs No 011002 Nokeval...

Страница 2: ...4 Case dimensions 4 Configuration 5 Serial protocol SCL 6 Counting check sum 6 Example of control message without BCC 6 XOR function without calculator 7 Non addressable ASCII protocol 7 Display mode...

Страница 3: ...signal RS232 or RS485 You may select red or green 6 digit display Serial bus is galvanic isolated from both processor and power supply In configuration stage you can set address Baud rate and what dis...

Страница 4: ...nd holding and keys simultaneously for 2 seconds Specified instructions on pages 6 7 Configuration Resetting configuration parameters Some times it is necessary to return indicator parameters to facto...

Страница 5: ...ddressable SCL or non addressable ASCII Baud Baud rate selection 300 600 1200 2400 4800 9600 19200 Addr Serial address 0 127 SCL only Bcc Checksum selection ON used SCL only Resp Responce message sele...

Страница 6: ...ost significant bit is set If you want to command a device in address 4 the ID byte will be 132 or 84h This is a single byte whose value is 132 do not send individual numbers 1 3 and 2 The command is...

Страница 7: ...hand when displaying numerical results the Numerical mode is more flexible TEXT Mode In the Text mode 2071 doesn t process the message in any way The first received message is placed at the leftmost...

Страница 8: ...to the leftmost key 1 N pp in Koodi 1 1 2 2 3 4 4 8 If several keys are pressed simultaneously the sum of these codes is returned E g keys and the code is 4 8 C in hexadecimal When no keys is pressed...

Страница 9: ...SerialsignalRS 485looplastunitmustbeterminatedwith110ohm resistor Termination can be done on terminal connections or by connectin short cut jumper into following position Fail safe ON Terminator ON Fa...

Страница 10: ...type of meter You can change meter with pulse input to meter with current input thermocouple strain gage etc Additional slots Additional cards provide output 4 20 mA alarms serial interface BCD output...

Страница 11: ...ion cards Inputcardcontains microprocessor bus control keys control display control Eight input cards 2021 2011 2011 IN Process input 2021 MU Multi input 2031 IR Infrared sensor input 2041 SG Strain g...

Страница 12: ...12 Yritt j katu 12 Tel 3583 3424800 Fax 3583 3422066 FIN 37100 NOKIA email support nokeval com http www nokeval com Nokeval Oy...

Отзывы: