<6. PROCEDURES FOR CONVERTER OPERATION>
6-18
IM 12E04A02-02E
When step 3 is operated, if the displayed reference signal exceeds the permissible range (0.2 to
2.3 V), "Error" is displayed. The error message can be reset by pressing the [ENT] key. Repeat
the procedure from the adjustment of the lamp's position.
If the mode is switched to another mode using the [MODE] or [FUNC] key after step 2 or after
calibration is terminated by operating step 3, lamp-voltage control restarts. As it takes a little time
until the lamp voltage stabilizes, allow 30 minutes or more before starting measurement. Since
the lamp voltage does not change unless step 2 is operated, a waiting time is not necessary.
(13) Version Number Display (FUNCTION "E")
This function displays the converter program version number.
(Example of display)
1. Select FUNCTION "E" in the <MAINT.> mode.
=> "1.08"
(14) Password Entry to Switch to the Adjustment Mode (FUNCTION "F")
This function is for only utilization of the service mode by service personnel of Yokogawa. Thus,
this function is not usually operated.
6.6 Operation in <PROGRAM1> Mode
In the <PROGRAM1> mode, data setting operations, such as output range, and operating status
setting operations, such as auto range selection, are carried out.
Function "1" to "F": Data settings
Function "1." to "F.": Operating status settings
Section 6.6 describes key operations which specify each function in the <PROGRAM1> mode
and the displays accompanying those key operations in the following order.
(1) Setting output ranges 1, 2, and 3
(2 Setting averaging coef
fi
cient (time constant)
(3) Setting output value if an error occurs
(4) Setting line-segment function output
(5) Setting change-over point in auto-ranging
(6) Setting high alarm value
(7) Setting low alarm value
(8) Setting turbidity value of calibration plate
(9) Setting zero-correction factor
(10) Setting sensitivity correction factor
(11) Setting detection level for spike detection function
(12) Setting hold time for spike detection function
(13) Setting sampling time for spike detection function
(14) Auto-range selection
(15) Remote range selection
(16) Local range setting
(17) Setting output hold in maintenance
(18) Setting output mode if a failure occurs
3rd Edition : May. 31, 2010-00
Summary of Contents for Vigilant Plant EXA TB Series
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