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APPENDIX 1
1011C PIN OUT:
DATA OUT
A
-DEW POINT INDICATION FLAG (5V = dew point)
B
-COMMON
C
-BALANCE
D
-COMMON
E
-PRESSURE
F
-COMMON
G
-TEMPERATURE (Dew Point)
H
-COMMON
J
-HEATER
(NOT USED)
K
-SHIELD
RS-232
2
- Rx
3
- Tx
5
- Ground
POWER
A
-+28 VDC
B
-+28V Return
C
-Chassis Ground (B and C are wired together on the cable, if supplied)
PRESSURE (to connect up an external pressure sensor)
A-
Heater Power, +28 VDC (optional)
B-
Heater Return (optional)
D
-Pr (blue wire from 4- 20 mA sensor)
E
- Power, +16 VDC (red wire from 4-20 mA sensor)
J-
Pressure – (do not use with 4-20 mA sensor)
K-
Ground – (do not use with 4-20 mA sensor)
When using a 0-5 or 1-5 VDC sensor, you must use D,E,J and K or the sensor will not
work. Calibration instructions are available by request from Buck Research Instruments,
LLC.
Attach shield of cable to strain relief of connector using spade lug or ring terminal
Содержание 1011C
Страница 7: ...7 C B A Figure 1 Dew Point Hygrometer System shown with optional cables...
Страница 9: ...9...
Страница 12: ...12 Figure 3 Dew Point Sensing Unit A B C...
Страница 14: ...14 Figure 4 Control Indicator Unit F A B C D E...
Страница 17: ...17 Figure 6 Power Unit Internal...
Страница 23: ...23 Figure 9 Flow Test Fixture Hookup...
Страница 28: ...28 FIGURE 10 System Response Characteristics...
Страница 31: ...31 Recommended cable Belden YQ27540 Figure 11 Wiring Diagrams...
Страница 32: ...32 Recommended cable Belden YQ27540 Wiring Diagrams Continued...
Страница 33: ...33...
Страница 34: ...34 Figure 13 Vapor Pressure e vs Dew Point TD or Saturation Vapor Pressure es vs Temperature T...
Страница 36: ...36 Figure 15...
Страница 37: ...37 Figure 16 Aspirating Fixture Hookup...
Страница 38: ...38 Figure 17 1011C Hygrometer Complete...
Страница 40: ...40 Table 2 Dew Point to Frost Point Conversions...
Страница 41: ...41 Table 3 Dew Point Error due to Pressure Change in Sampling System...
Страница 47: ...47...
Страница 48: ...48...