Barko 6025 Service Manual page 37

Failure modes in Current Mode Failure modes in Current Mode Failure modes in Current Mode Failure modes in Current Mode Failure modes in Current Mode
The table below presents failure modes and effects on I/O.
Failure mode Failure mode Failure mode Failure mode Failure mode
1 COUT Open
2 RET (active) Open
3 RET (passive) Open
4 COUT Short-circuit to RET (active)
5 COUT Short-circuit to RET (passive)
6 COUT Short-circuit to +BAT
7 COUT Short-circuit to - BAT
8 RET (active) Short-circuit to +BAT
9 RET (active) Short-circuit to - BAT
10 RET (passive) Short-circuit to +BAT
11 RET (passive) Short-circuit to - BAT
12 COUT Short-circuit to 2:nd COUT
(passive)
13 COUT Short-circuit to 2:nd RET(active)
14 COUT Short-circuit to 2:nd RET(passive) Not detected, will not influence function
15 RET Short-circuit to 2:nd RET (active)
16 RET Short-circuit to 2:nd RET (passive)
17 Insufficient Voltage
(a).Turning off outputs are controlled by CAN master and therefore delayed by maximum 2 bus (a).Turning off outputs are controlled by CAN master and therefore delayed by maximum 2 bus (a).Turning off outputs are controlled by CAN master and therefore delayed by maximum 2 bus
(a).Turning off outputs are controlled by CAN master and therefore delayed by maximum 2 bus (a).Turning off outputs are controlled by CAN master and therefore delayed by maximum 2 bus
cycles. If local error handling is enabled the output will turn off locally without delay. cycles. If local error handling is enabled the output will turn off locally without delay. cycles. If local error handling is enabled the output will turn off locally without delay. cycles. If local error handling is enabled the output will turn off locally without delay. cycles. If local error handling is enabled the output will turn off locally without delay.
(b).Turned off by integrated protection functions in IC. (b).Turned off by integrated protection functions in IC. (b).Turned off by integrated protection functions in IC. (b).Turned off by integrated protection functions in IC. (b).Turned off by integrated protection functions in IC.
IQAN XA2 IQAN XA2 IQAN XA2
IQAN XA2 IQAN XA2
FAILURE MODE
COUT error, output turned off
COUT error, output turned off
Not detected, will not influence function
COUT error, output turned off (b)
Not detected, will not influence function
COUT error, output turned off
COUT error, output turned off (b)
COUT error, output turned off (b)
COUT error, output turned off
Not detected, will not influence function
COUT error, output turned off
Not detected, will not influence function
COUT error, output turned off (b)
COUT error, output turned off
Not detected, will not influence function
COUT error, output turned off
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240 Harvester Feller/
Buncher
Effect (a) Effect (a) Effect (a) Effect (a) Effect (a)