ER5000 —
235
Internal Variables
ER5000 Control Limit Variables
64 ID_PWM_CONTROL_LIMIT
This variable sets the condition of the controller if any of the
programmed limits are exceeded. Normally, the unit will be
set up to open the exhaust and close the inlet valve if a limit
is exceeded.
NOTENOTE
CAUTIONCAUTION
WARNINGWARNING
When shipped from the factory the limits are set to
their outer boundaries (disabled). The unit will automatically
remove itself from the control limit condition when the 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
Control 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 the specied Control Limit Condition.
Table 28: Control Limits for Specified Signals
Minimum/Maximum Limited Signal
54 – ID_MIN_AD_SETPOINT
55 – ID_MAX_AD_SETPOINT
1 – ID_AD_SETPOINT
56 – ID_MIN_COMPENSATED_INTERNAL_SENSOR
57 – ID_MAX_COMPENSATED_INTERNAL_SENSOR
6 – ID_COMPENSATED_INTERNAL_SENSOR
58 – ID_MIN_COMPENSATED_EXTERNAL_SENSOR
59 – ID_MAX_COMPENSATED_EXTERNAL_SENSOR
7 – ID_COMPENSATED_EXTERNAL_SENSOR
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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