ENGINE AR-CORE 2292228 - Caterpillar

Table 4
Gate Proximity Switch Contact Information    
Function    Indicator    Operation    
STATE     Green LED blinking     Normal Operation
Teach-in Operation
Refer to Table 5 for more Signaling functions.    
OUT/ERROR     Yellow LED illuminated     Valid actuator detected.    
OUT/ERROR     Red LED illuminated     Test input activated
Internal circuitry error
Refer to Table 5 for more Signaling functions.    Note: In the event of operating errors, the evaluation unit is reset to operating state by interrupting the supply voltage for approximately 10 seconds.
Table 5
System Status    
            PLC Output     LED Indicator     Status    
    Actuator/ Gate Position     LA and LB Output     OUT (alarm Signal)     STATE (green)     No of blink pulses     OUT/ERROR (yellow)     OUT/ERROR (red)    
Normal Operation     close     on     1     1         1     0     Normal operation, with the LADAR field not breached, or gate closed (if equipped)    
open off     0     1         0     0     Normal operation, with the LADAR field breached, or gate open (if equipped)    
Commiss-ioning     open     off     0     Blinks cons-tantly at 4Hz         0     0     Initial commisioning on delivery
Ready for first teach-in operation    
    close     off     0     Blinks for 60 seconds at 1Hz         0     0     Teach-in operation.    
    close     off     0     0         0     0     Positive acknowledgment for successful Teach-in operation. The unit must be switched back on again for normal operation.    
Status display     x     off     0     One-off blink sequence after power-off     3     0     0     Indication after 1st to 5th Teach-in operation    
    x     off     0     2 0     0     Indication of the number of Teach-in operations still allowed after the 6th Teach-in operation    
    x     off     0     1 0     0     Indication of the number of Teach-in operations still allowed after the 7th Teach-in operation    
    x     off     0     0 0     0     Device is now unable to perform a further Teach-in operation    
Error indication     x     off     0     0         0     1     Device-internal component failure or
Actuator in operating range less than 0.5 sec or
Illegal external interference
Short-circuit/external voltage at secure output LA/LB    
Operating error     close     off     0     Brief blink sequences repeated after one sec.     1     0     1     Illegal 9th Teach-in-operation    
close off     0     2 0     1     Illegal Teach-in operation of an old actuator    
close off     0     3 0     1     Negative acknowledgment for Teach-in operation. Actuator was held in front of the read head for less than 60 sec.