50 ER3000 User Manual
9.13 Failsafe Variables
64 ID_PWM_FAILSAFE - This variable establishes the failsafe state of
the unit which is established if any of the programmed limits is
exceeded. Normally, the unit will be set up to open the exhaust and
close the inlet valve if a limit is exceeded. Also note, when shipped
from the factory the limits are set to their limits (i.e. - disabled). The
unit will automatically remove itself from failsafe if the failsafe limit is
no longer exceeded.
0 => IN_CLOSED_EX_CLOSED
1 => IN_OPEN_EX_CLOSED
2 => IN_CLOSED_EX_OPEN
3 => IN_OPEN_EX_OPEN
Failsafe Limits for Specified Signals
These variables are the minimum and maximum values allowed for a given
signal that is permissible before tripping a limit and causing the unit to go into
failsafe.
Minimum/Maximum Limited Signal
54 ID_MIN_AD_SETPOINT
55 ID_MAX_AD_SETPOINT
1
1
I
I
D
D
_
_
A
A
D
D
_
_
S
S
E
E
T
T
P
P
O
O
I
I
N
N
T
T
56
ID_MIN_COMPENSATED_INTERNAL_SENSOR
57
ID_MAX_COMPENSATED_INTERNAL_SENSOR
6
ID_COMPENSATED_INTERNAL_SENS
OR
58
ID_MIN_COMPENSATED_EXTERNAL_SENSOR
59
ID_MAX_COMPENSATED_EXTERNAL_SENSOR
7
ID_COMPENSATED_EXTERNAL_SEN
SOR
60 ID_MIN_INNER_ACTUAL_ERROR
61 ID_MAX_INNER_ACTUAL_ERROR
0 ID_INNER_ACTUAL_ERROR
62 ID_MIN_OUTER_ACTUAL_ERROR
63 ID_MAX_OUTER_ACTUAL_ERROR
14 ID_OUTER_ACTUAL_ERROR
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