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09Ð12Ð95 | 13:21 |
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| GE FANUC SERIES 90Ð70 (v6.01) | Page | 9 | |
<< RUNG 19 >> |
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ALW_ON |
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%S00007 | +ÐÐÐÐÐ+ |
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+ÐÐ] [ÐÐÐ+ NE_ | +Ð |
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INT |
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WT_CRSW |
| +ÐÐÐÐÐ+ |
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%R00002Ð+I1 Q+ÐÐÐÐÐÐÐÐÐ+ NE_ +Ð |
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| INT |
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| WRT_ERR | ||||||
WT_CRSW | %T00006 | ||||||
CONST Ð+I2 | %R00002Ð+I1 | Q+ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐ(S)ÐÐ | |||||
+00000 +ÐÐÐÐÐ+ |
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| CONST Ð+I2 |
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| +00001 | +ÐÐÐÐÐ+ |
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(****************************************************************************)
(* If RD_OK, fire oneÐshot DO_WRT to execute next Write Channel Command. *) (* If WRT_OK, fire oneÐshot DO_READ to execute next Read Channel Command. *)
(* | This interlock allows the ladder to alternate between read and write | *) | |
(* | COMREQs. | *) |
(****************************************************************************)
<< RUNG 21 >> |
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RD_OK | DO_WRT |
%T00002 | %T00009 |
+ÐÐ] [ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ(^)ÐÐ
<< RUNG 22 >> |
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WRT_OK | DO_READ |
%T00005 | %T00008 |
+ÐÐ] [ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ(^)ÐÐ
(****************************************************************************) (* If LANIFOK transitions from 0Ð>1, restart read/write logic. This should *)
(* | only happen if the Ethernet Controller intiating communciations is | *) | |
(* | restarted. | *) |
(****************************************************************************)
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<< RUNG 24 >> |
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LANIFOK | RESTART |
%I00048 | %T00010 |
+ÐÐ] [ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ(^)ÐÐ
(****************************************************************************)
(* | If an error is | detected | in a | read | or write, toggle bits to restart | *) | |
(* | read or write. | This is | done | on a | oneÐshot basis. | *) |
(****************************************************************************) | |||
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Program: LANRDWR | A:\LANRDWR | Block: _MAIN |
TCP/IP Ethernet Communications User's Manual ± January 1996 |
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