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Reference Database Manager Manual TLX-DBM ♦ TermLinx Database Manager Terminal Management System Ofs 21 .... P . 22 23 .... .... . . 24 .... . 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... . . . . . . . . . . . . . . . . . . . P P 46 .... . ProSoft Technology, Inc. August 11, 2009 Descr Digital I/O direction, MSW For each of up to 32 I/O lines, the direction of data transfer, where 0 is output and 1 is input. Lines are numbered starting at line 0x00 at LSW bit 0 and ending at line 0x1F at MSW bit 15. Some I/O lines are dedicated to internal functions of OLink, and any configuration or use of those lines through this Modbus table is ineffective; see documentation elsewhere of line availability. Digital output pulse polarity, LSW Digital output pulse polarity, MSW For each of up to 32 output lines, the polarity of the pulse configured in the following table, where 0 is pulse high and 1 is pulse low. In this configuration, and in any other configuration or control of digital output lines, any specification for lines whose direction is configured as input is ignored and has no effect. Digital output pulse width, lines 00 and 01 These points allow those I/O lines configured for the output direction to be pulsed under OLink’s control, instead of requiring the host to implement the pulse using two separate commands. Each byte contains a pulse duration in units of 10ms, where the low-order byte configures the even-numbered line and the highorder byte the odd-numbered line, and a value of 0 means a nonpulsed output. For example, if the pulse duration is 5 and the pulse polarity is 0, and the host sets the output to 1, then OLink holds the output to 1 for 50ms then automatically drops it to 0. Digital output pulse width, lines 02 and 03 Digital output pulse width, lines 04 and 05 Digital output pulse width, lines 06 and 07 Digital output pulse width, lines 08 and 09 Digital output pulse width, lines 0A and 0B Digital output pulse width, lines 0C and 0D Digital output pulse width, lines 0E and 0F Digital output pulse width, lines 10 and 11 Digital output pulse width, lines 12 and 13 Digital output pulse width, lines 14 and 15 Digital output pulse width, lines 16 and 17 Digital output pulse width, lines 18 and 19 Digital output pulse width, lines 1A and 1B Digital output pulse width, lines 1C and 1D Digital output pulse width, lines 1E and 1F Digital input, LSW Digital input, MSW For each of up to 32 I/O lines, the actual value read at the pin. Digital output mask, LSW Page 87 of 128