User manual OMRON NT

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OMRON NT : Download the complete user guide (781 Ko)

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Manual abstract: user guide OMRON NT

Detailed instructions for use are in the User's Guide.

[. . . ] NT-series RS-232C/RS422 Interface Unit Operation Manual Produced October 1993 Notice: OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. Failure to head precautions can result in injury to people or damage to the product. DANGER! Indicates information that, if not heeded, is likely to result in loss of life or serious injury. WARNING Indicates information that, if not heeded, could possibly result in loss of life or serious injury. Caution Indicates information that, if not heeded, could result in relative serious or minor injury, damage to the product, or faulty operation. OMRON Product References All OMRON products are capitalized in this manual. [. . . ] Commands Note If the PT's SW1-1 is set OFF (automatic reset after communication error) no message is displayed when a communication error occurs. ( % $" &&! -$ , $ $ ! $& $ -$ ! ##& # $ *- , $ $ ! 0!# ! 5 ), 6 $ 7 - , # 6 ) # - , # " 6 ) # - , # ! -$ &$ 0!# /5 ' -$ &$ ( 1 0 , # -$ &$ ( 1 / , # ;#$ # &$ 9)- '73 )- '''7: 0!# # << # 7 &$ / , # *- /5 . #< 0!# % " 2# !# + 0!# 7 # 9)-''7: , $ *- ), !" " " " + + + ' ' % Section 5-1 5-1 Commands Sent by the Host Computer The operating commands sent by the host computer are described below. Note All data values must be sent in ASCII code. Example: m1 m2 41 2-bit hexadecimal 5AH 35 d1 d2 32 d1 33 3-bit BCD 123 31 5-1-1 Display Specified Screen Format [ESC] 1B 0 30 m1 m2 ( m3 m4 ) m1m2 (m3m4): Number of displayed screen (2-digit or 4-digit hexadecimal) NT20M, NT2000M: 00: No display 01 to FAH: Screen #1 to #250 NT600M: 0000: No display 0001 to 03E8H: Screen #1 to #1000 Description The specified screen is displayed on the PT when a screen# is sent from the host computer with this command. 5-1-2 Request Screen Number Format [ESC] 1B x 58 Description Enquires what number screen is displayed on the PT. The PT returns the number of the displayed screen using the Screen Number Response Command (refer to 5-2-1 Screen Number Response). 5-1-3 Write Character-string Memory Table Format [ESC] 1B B 42 n1 n2 d1 d2 c1 c2 c3 cn n1n2: Character string length as a number of normal characters (2-digit hexadecimal) NT20M, NT2000M: 01 to 20H (1 to 32) NT600M: 01 to 28H (1 to 40) d1d2: Character-string memory table address of write destination (2-digit hexadecimal) % NT20M, NT2000M: 00 to 1FH (0 to 31) NT600M: 00 to FFH (0 to 255) c1c2c3 to cn: Character-string data Section 5-1 Description Writes the character-string data to the character-string memory table. The character-string data can contain a mixture of normal alphanumeric characters and marks. When determining the character string length, count each mark as two normal characters. If the actual character string is longer than the specified character string length, the specified number of characters is written and the remainder are discarded. A timeout error message is displayed if the actual character string is shorter than the specified character string length. Caution 5-1-4 4-digit Write Numeral Table Format [ESC] 1B C 43 d1 d2 f1 n1 n2 n3 n4 d1d2: Numeral table address of write destination (2-digit hexadecimal) NT20M, NT2000M: 00 to 7FH (0 to 127) NT600M: 00 to FFH (o to 255) f1: + (2BH) or -- (2DH) sign n1n2n3n4: Number data (4-digit BCD) Description Writes the 4-digit decimal number data to the specified numeral table. The least-significant 4 digits of the display are overwritten if 4-digit number data is written to an 8-digit display. 5-1-5 8-digit Write Numeral Table Format [ESC] 1B n6 D 44 n7 d1 d2 f1 n1 n2 n3 n4 n5 n8 d1d2: Numeral table address of write destination (2-digit hexadecimal) NT20M, NT2000M: 00 to 7FH (0 to 127) NT600M: 00 to FFH (0 to 255) f1: + (2BH) or -- (2DH) sign n1n2n3n4n5n6n7n8: Number data (8-digit BCD) Description Writes the 8-digit decimal number data to the specified numeral table. Always include a + or -- sign with the number data. 5-1-6 Copy Memory Table Format [ESC] 1B / 2F m1 d1 d2 d3 s1 s2 s3 % Section 5-1 m1: Type of memory table 0 (30H): Character-string memory table 1 (31H): numeral table d1d2d3: Copy source memory table address (see table below) s1s2s3: Copy destination memory table address (see table below) Model NT20M, NT2000M NT600M Character-string memory table address 000 to 031 (3-digit BCD) 000 to 255 (3-digit BCD) Numeral table address 000 to 127 (3-digit BCD) 000 to 255 (3-digit BCD) Description Copies the contents of the copy source memory table to the copy destination memory table. The memory table contents are copied to a memory table of the same type: character-string memory table to character-string memory table or numeral table to numeral table. 5-1-7 Lamp and Touch Switch Display (Bit Specification) Format [ESC] 1B K 4B m01 m02 m11 m12 m21 m22 m31 m32 [CR] OD m0 to m3: Specification of lamps and touch switches (2-digit hexadecimal) The correspondence of the lamp and touch switch numbers to the bit representation in m0 to m3 is shown in the following table. mx2 Parameter 7 m0 m1 m2 m3 07 15 23 31 06 14 22 30 6 mx1 5 05 13 21 29 04 12 20 28 4 03 11 19 27 3 02 10 18 26 2 1 01 09 17 25 00 08 16 24 0 Bit ON: Lamp or touch switch lights (or flashes) Bit OFF: Lamp or touch switch does not light (flash) Example To light lamps and touch switch numbers 1, 5, 6, 7, and 26, m01, m02, m11, m12, m21, m22, m31, m32 = E2000004 Description Changes the lamp or touch switch lighting status. The Support Tool sets if the lamp corresponding to a bit lights continuously or flashes. 5-1-8 Lamp and Touch Switch Display (Address Specification) Format [ESC] 1B Q 51 m1 n1 n2 m1: Display status m1 0 (30H) 1 (31H) 2 (32H) 3 (33H) Lit Flashing inverse (lamps) Lit (touch switches) All not lit NT20M, NT2000M, NT600M Not lit (normal display) % n1n2: Section 5-1 Lamp or touch switch address (2-digit hexadecimal) NT20M, NT2000M, NT600M: 00 to FFH (0 to 255) Description Changes the lamp or touch switch lighting status. Specify the display status as 3 (all not lit) to turn off all the lamps and touch switches. In this case, specify the lamp or touch switch number to any number in the permitted range. The display attributes set with the Support Tool determine if lamps #0 to #111 light continuously or flash. The display status set with this command is ignored. Caution 5-1-9 Lamp and Touch Switch Display Status Enquiry Format [ESC] 1B R 52 n1 n2 n1n2: Description Lamp or touch switch address (2-digit hexadecimal) NT20M, NT2000M, NT600M: 00 to FFH (0 to 255) Enquires the status of a lamp or touch switch specified by its address. The PT returns the Lamp and Touch Switch Display Status Response Command (refer to 5-2-8 Lamp and Touch Switch Display Status Response) to report the display status. 5-1-10 Touch Switch and Function Key Disable Format [ESC] 1B U 55 m1 m1: Type of switch to be disabled 0 (30H): Touch switches and function keys 1 (31H): Function keys 2 (32H): Touch switches Description Comment Disables touch switch and function key input and notification to the host computer. Use the Touch Switch and Function Key Enable Command (refer to 5-1-11 Touch Switch and Function Key Enable) to use a disabled touch switch or function key again. [. . . ] Check the order of the commands and execute the Online Transfer Command again. Check the checksum. Online Transfer Command received although Replace screen data memory with an SRAM screen data memory is EEPROM. type. '# Appendix A Communication Specifications RS-232C Interface Unit Item Communication standard Communication settings EIA RS-232C Start-stop synchronization Baud rate: 300, 600, 1200, 4800, 9600, 19200 bps Data bits: 7, 8 Stop bits: 1, 2 Parity: Even/Odd/None Flow control: RS/CS control XON/XOFF control None 25-pin D-SUB female Optical connection compatible 1-to-1 Max. 15 m (up to 500 m using optical-fiber cable) Specification Connectors No. [. . . ]

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