Yokogawa GD40 Gas Density Detector - Manual (Page 126)

<7. HYDROGEN PURITY / PARAMETER SETTING>
7-3
IM 11T3E1-01E
7.1.3 Setting Parameters at Setting Level
Press the [*] key and enter the password (XXX) to gain access to this level (see Figure 7.4 for key
operation).
Table 7.3 Setting Parameters at Setting Level
Mode/Setting parameter Display
Data to be Set
(or Conditions)
Remarks
Analog output setting mode
Output 1
Set a parameter to be output
Set the zero and span points
Physical density
Compensated density
Hydrogen purity
Substituents-concentration
Output 2 (same as output 1)
*RANGE
*OUT1
*DENS
*C_DNS
*H_A
*H_C_A
*TEMP
*PRESS
*Z_DNS,
*S_DNS
*Z_CP.D,
*S_CP.D
*Z_H_A,
*S_H_A
*Z_H.C.A,
*S_H.C.A
*OUT2
Physical density
Compensated density
Hydrogen purity
Substituents-concentration
Gas temperature
Gas pressure
00.0000 to 60.0000 kg/m 3
0.00000 to 4.00000 lb/ft 3
0.0000 to 6.0000 kg/m 3
0.00000 to 0.40000 lb/ft 3
0.00000 to 0.40000
0.0 to 100.0
See Figure 7.5 for key operation.
No setting is required if the parameter is
temperature or pressure.
Setting of calibration data
Output hold value during calibra-
tion
Setting of preset value
(Only if the preceding parameter
is set to 2 (preset value))
*CAL.DT
*C_HLD
*PR.SET
· Disable: 0
· Enable (value
immediately before) : 1
· Enable (preset value) : 2
-10.0 to 110.0
See Figure 10.1 for key operation.
Alarm-point setting mode
Select a parameter for which an
alarm is raised
Physical density
Compensated density
Hydrogen purity
Set the high/low limits
Physical density
Compensated density
Hydrogen purity
*ALARM
*DENS
*C_DNS
*H_A
*L_DNS,
*H_DNS
*L_CP.D,
*H_CP.D
*L_H_A
0.0000 to 6.0000 kg/m 3
0.00000 to 4.00000 lb/ft 3
0.0000 to 6.0000 kg/m 3
0.00000 to 0.40000 lb/ft 3
0.0 to 100.0
See Figure 7.6 for key operation.