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240 Harvester Feller/
Buncher
IQAN XA2IQAN XA2
IQAN XA2IQAN XA2
IQAN XA2
FAILURE MODE
1 H-side Open PWMOUT error, output turned off
2 L-side (active) Open PWMOUT error, output turned off
3 L-side (passive) Open Not detected, will not influence function
4 H-side Short-circuit to L-side (active) PWMOUT error, output turned off (b)
5 H-side Short-circuit to L-side (passive) Not detected, will not influence function
6 H-side Short-circuit to +BAT PWMOUT error, output turned off
7 H-side Short-circuit to - BAT PWMOUT error, output turned off (b)
8 L-side (active) Short-circuit to +BAT PWMOUT error, output turned off (b)
9 L-side (active) Short-circuit to - BAT Not detected, will not influence function
10 L-side (passive) Short-circuit to +BAT Not detected, will not influence function
11 L-side (passive) Short-circuit to - BAT Not detected, + and - direction activated without
movement as result.
12 H-side Short-circuit to 2:nd L-side(active) PWMOUT error, output turned off (b)
13 H-side Short-circuit to 2:nd L-side Not detected, will not influence function
(passive)
14 L-side Short-circuit to 2:nd L-side (active) Not detected, will not influence function
15 L-side Short-circuit to 2:nd L-side Not detected, will not influence function
(passive)
16 Insufficient Voltage Not detected, lower max speed limit on function
Failure modeFailure mode
Failure modeFailure mode
Failure mode
Effect (a)Effect (a)
Effect (a)Effect (a)
Effect (a)
Failure modes in PWM ModeFailure modes in PWM Mode
Failure modes in PWM ModeFailure modes in PWM Mode
Failure modes in PWM Mode
The table below presents failure modes and effects on I/O.
(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.
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