Ise A/D Conversion; Ise A/D Conversion Timing; Adc Setting Parameters; Ise Adc Calibration Timing - Hitachi 902 Service Manual

5.5

ISE A/D Conversion

(1)

ISE A/D Conversion Timing

Na K
1
(a) As shown in the above figure, measure the electromotive force 5 times each for Na,
K and Cl in this order.
(b) The A/D conversion interval time for each is 10 msec.
(c) ADC alarm is issued if the ADC count, even once, is 0.
(2)

ADC Setting Parameters

•
Number of integrations :
•
Software trigger interval :
(3)

ISE ADC Calibration Timing

2 V 8 V
(a) As shown in the above figure, measure the reference voltages
(2 V, 8 V and offset voltage).
(b) The A/D conversion interval time for each is 10 msec.
(c) At the time of initialization and T/M resetting, the RESET command is issued for the
ADC controller.
(d) Number of integrations (1 time) = 8
10 msec
Cl REF Na
10 msec
OFF
K ................................ REF
2
8
10 msec
5 - 8
Na K Cl REF
5