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11.4.6 Zapi menu "SPECIAL ADJUSTMENT" functions list
To enter this Zapi hidden menu a special procedure is required. Ask this procedure
directly to a Zapi technician.
1) HIGH ADDRESS
Zapi reserved.
2) SET TEMPERATURE
Factory adjusted.
3) MAX SP SLOPE
(Twin pot version only). This setting is used to adjust the slope threshold for the
STEER SENSOR KO alarm (see 13.1.3.6).
This alarm occurs when the slope of one of the set point potentiometers
(CPOC1 or CPOC2) is detected larger than the MAX admitted slope. The MAX
admitted slope is specified with this setting:
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Default value is LEVEL 9.
Pay attention the LEVEL 9 gets the alarm strongly insensitive and it is the right
setting only when the twin pot redundancy is adopted for the set point
potentiometer; when just one single set point potentiometer is adopted, we
advice against using LEVEL 9.
4) DEBUG OUTPUT
This adjustment is used to temporary change the configuration or inhibit some
diagnosis to aid the troubleshooting. Take care to set DEBUG OUTPUT to Level
15 after finishing the troubleshooting.
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AEMZP0EA - EPS-AC0 SWs&ENC - User Manual
LEVEL 0:
the max admitted slope is 61 corresponding to 0.3 V in 16
msec. (i.e. STEER SENSOR KO alarm occurs when either
CPOC1 or CPOC2 changes more than ±0.3 V in 16 msec.
This means that the SLOPE PEAK reading in the tester
menu assumes larger than ±61 value. See 11.4.7.21).
LEVEL 1:
the max admitted slope is 79 corresponding to 0.39 V in 16
msec.
LEVEL 2:
the max admitted slope is 97 corresponding to 0.47 V in 16
msec.
LEVEL 3:
the max admitted slope is 115 corresponding to 0.56 V in 16
msec.
LEVEL 4:
the max admitted slope is 133 corresponding to 0.65 V in 16
msec.
LEVEL 5:
the max admitted slope is 151 corresponding to 0.74 V in 16
msec.
LEVEL 6:
the max admitted slope is 169 corresponding to 0.83 V in 16
msec.
LEVEL 7:
the max admitted slope is 187 corresponding to 0.91 V in 16
msec.
LEVEL 8:
the max admitted slope is 205 corresponding to 1.00 V in 16
msec.
LEVEL 9:
the max admitted slope is 410 corresponding to 2.00 V in 16
msec.
LEVEL 0:
Self-acquisition of the stepper motor offsets (see 11.4.2.11-
12) in open loop application. It switches automatically to the
default Level 15 after the self-acquisition.
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