Yokogawa GD40 Gas Density Detector - Manual (Page 139)

<7. HYDROGEN PURITY / PARAMETER SETTING>
7-16
IM 11T3E1-01E
CODE 02: Setting of Hold in the Event of Errors
This setting determines whether or not the output signal is held if an error occurs. You can select
either the value immediately prior to the error or a preset value as the value to be held.
(a) Hold enable/disable [*E_HLD]
・Disable:
0
・Enable: 1
・Enable (preset value): 2
(b) Setting of preset hold value [*PR.SET]
This item applies if item (a) above is set to "2".
Configurable range: -10.0 to 110.0 (percent of analog output)
[ENT]
02
*CODE
*SERVC
X
*E_HLD
XXX.X
*PR.SET
[YES]
F0709.ai
* 1
* 2
* 4
*1: See "Figure 7.4 Process at the Setting Level" on page 7-10.
*2: Enter the code number.
*3: Set a value using the [ ] and [ENT] keys.
*4: Set a value using the [ ], [ ] and [ENT] keys.
If you enter a value that exceeds the limits, the display shows [*OVER].
Press the [YES] or [NO] key to re-set the value.
*5: Setting 0 or 1 returns to the service level with the indication [*SERVC].
[ENT]
[ENT]
* 3
* 5
Figure 7.9 Setting of Hold in the Event of Error
CODE 03: Setting of Hold of Hydrogen Purity Range
This setting enables or disables the function for holding the output in the hydrogen purity range
(hydrogen purity/replacement (substituents-concentration) meters mode only). You can select
either the value immediately prior to the hold or a preset value as the value to be held.
(a) Hold enable/disable [*H_HLD]
• Disable:
0
• Enable: 1
• Enable (preset value): 2