Specifications

Position Decoding IP 240
FB 26 LEN=75
NETWORK 1 0000 ERROR/INTERRUPTION CONTROL
FB26 : CONTROL PROGRAM FOR EMERGENCY STOP, MALFUNCTIONS OR LIMIT SWITCHES
FB26 QUERIES INPUTS ”EMERG STOP”, ”LMTSW FORW” AND ”LMTSW BACK”
AND RESPONDS TO PARAMETER ASSIGNMENT ERRORS IN THE STANDARD FBS FOR THE IP240.
ON AN EMERGENCY STOP, THE ”EMERG STOP” INDICATOR STAYS ON
AS LONG AS THE EMERGENCY OFF SWITCH IS DEPRESSED. OUTPUT OF AN ANALOG
VALUE IS BLOCKED, THE HEATER IS SWITCHED OFF, AND VARIOUS OUTPUTS AND FLAGS
ARE RESET.
ON A PARAMETER ASSIGNMENT ERROR THE CONTROLLER IS RESET.
THE ERROR FLAGS (FB11) ARE SAVED IN FB10 AND FB11 IS RESET.
THE ”FAULT” DISPLAY LAMP IS SWITCHED ON.
IF A LIMIT SWITCH IS ACTUATED, THE ”STOPPED” OUTPUT FLASHES
AS LONG AS THE SWITCH IS DEPRESSSED AND OUTPUT OF THE SPEED
IS PERMITTED IN THE OPPOSITE DIRECTION ONLY.
NAME :CHECK
0005 :A I 4.0 -EMERG STOP
0006 :JC =FOR1
0007 :S Q 12.0 -STOPPED INDICATOR
0008 :JU =CHEK
0009 FOR1 :
000A :R Q 12.0 -STOPPED
000B :L FY 11 PAFE BITS
000C :L KH 0000
000E :OW
000F :JZ =FOR2 BRANCH IF ZERO
0010 :T FY 10 -CHEK BYTE . SAVE PAFE BITS
0011 :L KB 0 RESET PAFE BITS
0012 :T FY 11
0013 :S Q 12.5 -FAULT
0014 :JU =CHEK
0015 FOR2 :
0016 :A I 4.6 -LMTSW FORW IF NO LIMIT SWITCH IS DEPRESSED,
0017 :A I 4.7 -LMTSW BACK END OF PROGRAM
0018 :JC =END
0019 :
001A :L KT 025.0 IF A LIMIT SWITCH IS REACHED,
001C :AN T 1 OUTPUT ”STOPPED” SHOULD FLASH
001D :SR T 1 FOR AS LONG AS THE SWITCH IS DEPRESSED
001E :CU C 1 (0.5 SEC FREQUENCY)
001F :L C 1
0020 :T FY 2 -AUX BYTE1
0021 :A F 2.2 WHEN COUNT IS 4,
0022 :R C 1 RESET COUNTER
0023 :
0024 :A F 2.0 O.5 SEC FREQUENCY
0025 := Q 12.0 -EMERG STOP
0026 :A Q 12.4 -HEATING
0027 :R Q 12.4 -HEATING SWITCH OFF HEATING
0028 :AN I 4.6 -LMTSW FORW
0029 :JC =PRO1
002A :AN I 4.7 -LMTSW BACK
002B :JC =PRO2
002C PRO1 :
002D :L FW 14 -ANALOG VAL IF UP COUNTING,
002E :L KB 0 RESET OUTPUTS
002F :>F
7-52 EWA 4NEB 811 6120-02a