Ⱦɚɬɱɢɤɢ ɞɚɜɥɟɧɢɹ Rosemount ɦɨɞɟɥɢ 2088/2090
2-8
Ⱦɥɹ ɤɚɥɢɛɪɨɜɤɢ ɫɟɧɫɨɪɚ, ɢɫɩɨɥɶɡɭɹ ɮɭɧɤɰɢɸ Zero Trim (ɧɚɫɬɪɨɣɤɚ ɧɭɥɹ),
ɜɵɩɨɥɧɢɬɟ ɫɥɟɞɭɸɳɭɸ ɩɪɨɰɟɞɭɪɭ:
1. Ɉɱɢɫɬɢɬɟ ɞɚɬɱɢɤ ɢ ɩɨɞɤɥɸɱɢɬɟ ɤɨɦɦɭɧɢɤɚɬɨɪ ɤ ɢɡɦɟɪɢɬɟɥɶɧɨɦɭ ɤɨɧɬɭɪɭ.
2. ɂɡ ɝɥɚɜɧɨɝɨ ɦɟɧɸ ɤɨɦɦɭɧɢɤɚɬɨɪɚ ɜɵɛɟɪɢɬɟ Device setup (ɭɫɬɚɧɨɜɤɚ
ɩɚɪɚɦɟɬɪɨɜ ɭɫɬɪɨɣɫɬɜɚ), 2 Diagnostics and service (ɞɢɚɝɧɨɫɬɢɤɚ ɢ
ɨɛɫɥɭɠɢɜɚɧɢɟ), 3 Calibration (ɤɚɥɢɛɪɨɜɤɚ), 3 Sensor trim (ɧɚɫɬɪɨɣɤɚ
ɫɟɧɫɨɪɚ), Zero trim (ɧɚɫɬɪɨɣɤɚ ɧɭɥɹ) ɞɥɹ ɬɨɝɨ, ɱɬɨɛɵ ɩɨɞɝɨɬɨɜɢɬɶɫɹ ɤ
ɧɚɫɬɪɨɣɤɟ ɧɭɥɹ.
ɉɊɂɆȿɑȺɇɂȿ
Ⱦɚɬɱɢɤ ɞɨɥɠɟɧ ɧɚɯɨɞɢɬɶɫɹ ɜ ɩɪɟɞɟɥɚɯ 3% ɨɬ ɢɫɬɢɧɧɨɝɨ ɧɭɥɹ (ɛɚɡɨɜɵɣ ɧɭɥɶ) ɞɥɹ
ɬɨɝɨ, ɱɬɨɛɵ ɞɥɹ ɤɚɥɢɛɪɨɜɤɢ ɦɨɠɧɨ ɛɵɥɨ ɜɨɫɩɨɥɶɡɨɜɚɬɶɫɹ ɮɭɧɤɰɢɟɣ ɧɚɫɬɪɨɣɤɢ
ɧɭɥɹ.
3. ɋɥɟɞɭɣɬɟ ɤɨɦɚɧɞɚɦ, ɩɨɹɜɥɹɸɳɢɦɫɹ ɧɚ ɷɤɪɚɧɟ ɤɨɦɦɭɧɢɤɚɬɨɪɚ, ɞɥɹ
ɡɚɜɟɪɲɟɧɢɹ ɪɟɝɭɥɢɪɨɜɤɢ ɧɭɥɹ.
ɉɨɥɧɚɹ ɧɚɫɬɪɨɣɤɚ (Full Trim) ɩɪɟɞɫɬɚɜɥɹɟɬ ɫɨɛɨɣ ɞɜɭɯɬɨɱɟɱɧɭɸ ɤɚɥɢɛɪɨɜɤɭ
ɫɟɧɫɨɪɚ, ɩɪɢ ɤɨɬɨɪɨɣ ɩɪɢɤɥɚɞɵɜɚɟɬɫɹ ɞɚɜɥɟɧɢɟ ɫ ɞɜɭɦɹ ɤɪɚɣɧɢɦɢ ɡɧɚɱɟɧɢɹɦɢ, ɚ
ɜɫɟ ɜɵɯɨɞɧɵɟ ɫɢɝɧɚɥɵ ɦɟɠɞɭ ɷɬɢɦɢ ɬɨɱɤɚɦɢ ɥɢɧɟɚɪɢɡɭɸɬɫɹ. ȼɵ ɜɫɟɝɞɚ ɞɨɥɠɧɵ
ɪɟɝɭɥɢɪɨɜɚɬɶ ɩɟɪɜɵɦ ɧɢɠɧɟɟ ɡɧɚɱɟɧɢɟ ɧɚɫɬɪɨɣɤɢ ɞɥɹ ɬɨɝɨ, ɱɬɨɛɵ ɭɫɬɚɧɨɜɢɬɶ
ɩɪɚɜɢɥɶɧɨɟ ɫɦɟɳɟɧɢɟ. Ɋɟɝɭɥɢɪɨɜɤɚ ɜɟɪɯɧɟɝɨ ɡɧɚɱɟɧɢɹ ɧɚɫɬɪɨɣɤɢ ɞɚɟɬ
ɤɨɪɪɟɤɰɢɸ ɤɪɭɬɢɡɧɵ ɯɚɪɚɤɬɟɪɢɫɬɢɱɟɫɤɨɣ ɤɪɢɜɨɣ, ɨɫɧɨɜɵɜɚɹɫɶ ɧɚ ɧɢɠɧɟɦ
ɡɧɚɱɟɧɢɢ ɧɚɫɬɪɨɣɤɢ. ɏɚɪɚɤɬɟɪɢɫɬɢɱɟɫɤɚɹ ɤɪɢɜɚɹ, ɭɫɬɚɧɨɜɥɟɧɧɚɹ ɧɚ ɡɚɜɨɞɟ-
ɢɡɝɨɬɨɜɢɬɟɥɟ, ɧɟ ɢɡɦɟɧɹɟɬɫɹ ɩɪɢ ɜɵɩɨɥɧɟɧɢɢ ɷɬɨɣ ɩɪɨɰɟɞɭɪɵ. Ɂɧɚɱɟɧɢɹ
ɧɚɫɬɪɨɣɤɢ ɩɨɡɜɨɥɹɸɬ ɨɩɬɢɦɢɡɢɪɨɜɚɬɶ ɪɚɛɨɱɢɟ ɩɚɪɚɦɟɬɪɵ ɢɦɟɧɧɨ ɞɥɹ ȼɚɲɟɝɨ
ɞɢɚɩɚɡɨɧɚ ɢɡɦɟɪɟɧɢɣ ɩɪɢ ɬɟɦɩɟɪɚɬɭɪɟ ɤɚɥɢɛɪɨɜɤɢ.
Ⱦɥɹ ɤɚɥɢɛɪɨɜɤɢ ɫɟɧɫɨɪɚ, ɢɫɩɨɥɶɡɭɹ ɮɭɧɤɰɢɸ Full Trim (ɩɨɥɧɚɹ ɧɚɫɬɪɨɣɤɚ)
ɜɵɩɨɥɧɢɬɟ ɫɥɟɞɭɸɳɭɸ ɩɪɨɰɟɞɭɪɭ:
1. ɉɨɥɧɨɫɬɶɸ ɫɨɛɟɪɢɬɟ ɫɢɫɬɟɦɭ ɤɚɥɢɛɪɨɜɤɢ, ɜɤɥɸɱɚɹ ɞɚɬɱɢɤ, ɤɨɦɦɭɧɢɤɚɬɨɪ,
ɢɫɬɨɱɧɢɤ ɩɢɬɚɧɢɹ, ɢɫɬɨɱɧɢɤ ɞɚɜɥɟɧɢɹ ɢ ɫɱɢɬɵɜɚɸɳɟɟ ɭɫɬɪɨɣɫɬɜɨ, ɩɨɫɥɟ
ɱɟɝɨ ɩɨɞɚɣɬɟ ɩɢɬɚɧɢɟ.
ɉɊɂɆȿɑȺɇɂȿ
ɂɫɩɨɥɶɡɭɣɬɟ ɢɫɬɨɱɧɢɤ ɞɚɜɥɟɧɢɹ ɩɨ ɤɪɚɣɧɟɣ ɦɟɪɟ ɜ ɬɪɢ ɪɚɡɚ ɛɨɥɟɟ ɬɨɱɧɵɣ, ɱɟɦ
ɞɚɬɱɢɤ, ɩɨɞɨɠɞɢɬɟ ɜ ɬɟɱɟɧɢɟ 10 ɫɟɤɭɧɞ, ɩɨɤɚ ɜɯɨɞɧɨɟ ɞɚɜɥɟɧɢɟ ɫɬɚɛɢɥɢɡɢɪɭɟɬɫɹ
ɢ ɬɨɥɶɤɨ ɩɨɫɥɟ ɷɬɨɝɨ ɜɜɨɞɢɬɟ ɡɧɚɱɟɧɢɹ.
2. ɂɡ ɝɥɚɜɧɨɝɨ ɦɟɧɸ ɤɨɦɦɭɧɢɤɚɬɨɪɚ ɜɵɛɟɪɢɬɟ Device setup (ɭɫɬɚɧɨɜɤɚ
ɩɚɪɚɦɟɬɪɨɜ ɭɫɬɪɨɣɫɬɜɚ), 2 Diagnostics and service (ɞɢɚɝɧɨɫɬɢɤɚ ɢ
ɨɛɫɥɭɠɢɜɚɧɢɟ), 3 Calibration (ɤɚɥɢɛɪɨɜɤɚ), 3 Sensor trim (ɧɚɫɬɪɨɣɤɚ
ɫɟɧɫɨɪɚ), 2 Lower sensor trim (ɧɚɫɬɪɨɣɤɚ ɧɢɠɧɟɣ ɝɪɚɧɢɰɵ ɫɟɧɫɨɪɚ) ɞɥɹ ɬɨɝɨ,
ɱɬɨɛɵ ɩɨɞɝɨɬɨɜɢɬɶɫɹ ɤ ɪɟɝɭɥɢɪɨɜɤɟ ɧɢɠɧɟɣ ɬɨɱɤɢ ɧɚɫɬɪɨɣɤɢ.
ɉɊɂɆȿɑȺɇɂȿ
ȼɵɛɢɪɚɣɬɟ ɡɧɚɱɟɧɢɹ ɞɚɜɥɟɧɢɹ ɧɚ ɜɯɨɞɟ ɬɚɤ, ɱɬɨɛɵ ɧɢɠɧɢɟ ɢ ɜɟɪɯɧɢɟ ɡɧɚɱɟɧɢɹ
ɛɵɥɢ ɪɚɜɧɵ ɢɥɢ ɜɵɯɨɞɢɥɢ ɡɚ ɬɨɱɤɢ 4 ɢ 20 ɦȺ. ɇɟ ɩɪɨɛɭɣɬɟ ɩɨɥɭɱɢɬɶ
ɩɪɨɬɢɜɨɩɨɥɨɠɧɵɣ ɜɵɯɨɞɧɨɣ ɫɢɝɧɚɥ, ɩɨɦɟɧɹɜ ɦɟɫɬɚɦɢ ɜɟɪɯɧɸɸ ɢ ɧɢɠɧɸɸ
ɝɪɚɧɢɰɵ ɞɚɜɥɟɧɢɹ. Ⱦɚɬɱɢɤ ɞɨɩɭɫɤɚɟɬ ɨɬɤɥɨɧɟɧɢɟ ɜɟɪɯɧɟɝɨ ɩɪɟɞɟɥɚ ɞɢɚɩɚɡɨɧɚ
ɩɪɢɛɥɢɡɢɬɟɥɶɧɨ 5% ɨɬ ɯɚɪɚɤɬɟɪɢɫɬɢɱɟɫɤɨɣ ɤɪɢɜɨɣ, ɭɫɬɚɧɨɜɥɟɧɧɨɣ ɧɚ ɡɚɜɨɞɟ-
ɢɡɝɨɬɨɜɢɬɟɥɟ.
3. Ⱦɥɹ ɡɚɜɟɪɲɟɧɢɹ ɪɟɝɭɥɢɪɨɜɤɢ ɧɢɠɧɟɣ ɝɪɚɧɢɰɵ ɫɥɟɞɭɣɬɟ ɤɨɦɚɧɞɚɦ,
ɩɨɹɜɥɹɸɳɢɦɫɹ ɧɚ ɷɤɪɚɧɟ ɤɨɦɦɭɧɢɤɚɬɨɪɚ.
4. ɉɨɜɬɨɪɢɬɟ ɩɪɨɰɟɞɭɪɭ ɞɥɹ ɜɟɪɯɧɟɝɨ ɡɧɚɱɟɧɢɹ, ɡɚɦɟɧɢɜ 2 Lower sensor trim
(ɧɚɫɬɪɨɣɤɚ ɧɢɠɧɟɣ ɝɪɚɧɢɰɵ ɫɟɧɫɨɪɚ) ɧɚ 3 Upper sensor trim (ɧɚɫɬɪɨɣɤɚ
ɜɟɪɯɧɟɣ ɝɪɚɧɢɰɵ ɫɟɧɫɨɪɚ) ɜɩɭɧɤɬɟ 2.
Ʉɨɦɚɧɞɵ Output Trim ( ɧɚɫɬɪɨɣɤɚ ɜɵɯɨɞɧɨɝɨ ɫɢɝɧɚɥɚ) ɩɨɡɜɨɥɹɸɬ ɢɡɦɟɧɢɬɶ ɧɚ
ɩɪɨɬɢɜɨɩɨɥɨɠɧɵɣ ɫɩɨɫɨɛ ɩɪɟɨɛɪɚɡɨɜɚɧɢɹ ɜɯɨɞɧɨɝɨ ɫɢɝɧɚɥɚ ɜ ɜɵɯɨɞɧɨɣ ɫɢɝɧɚɥ
4-20 ɦȺ, ɜɵɩɨɥɧɹɟɦɵɣ ɞɚɬɱɢɤɨɦ (ɫɦ. ɪɢɫɭɧɨɤ 2-2 ɧɚ ɫɬɪɚɧɢɰɟ 2-7). ɑɬɨɛɵ
ɩɨɞɞɟɪɠɢɜɚɬɶ ɬɨɱɧɨɫɬɶ ɢɡɦɟɪɟɧɢɣ, ɨɬɪɟɝɭɥɢɪɭɣɬɟ ɚɧɚɥɨɝɨɜɵɣ ɜɵɯɨɞɧɨɣ ɫɢɝɧɚɥ
ɱɟɪɟɡ ɩɨɫɬɨɹɧɧɵɟ ɢɧɬɟɪɜɚɥɵ ɜɪɟɦɟɧɢ. ȼɵ ɦɨɠɟɬɟ ɧɚɫɬɪɨɢɬɶ ɜɵɯɨɞɧɨɣ ɫɢɝɧɚɥ
ɞɚɬɱɢɤɚ, ɢɫɩɨɥɶɡɭɹ ɥɢɛɨ ɮɭɧɤɰɢɸ ɧɚɫɬɪɨɣɤɢ ɩɪɟɨɛɪɚɡɨɜɚɧɢɹ ɰɢɮɪɨɜɨɝɨ ɫɢɝɧɚɥɚ
ɜ ɚɧɚɥɨɝɨɜɵɣ, ɥɢɛɨ ɮɭɧɤɰɢɸ ɧɚɫɬɪɨɣɤɢ ɩɪɟɨɛɪɚɡɨɜɚɧɢɹ ɦɚɫɲɬɚɛɢɪɨɜɚɧɧɨɝɨ
ɰɢɮɪɨɜɨɝɨ ɫɢɝɧɚɥɚ ɜ ɚɧɚɥɨɝɨɜɵɣ.
ɉɨɥɧɚɹ ɧɚɫɬɪɨɣɤɚ
Ʉɥɚɜɢɲɢ
ɛɵɫɬɪɨɝɨ
ɞɨɫɬɭɩɚ HART
1, 2, 3, 3
ɇɚɫɬɪɨɣɤɚ ɜɵɯɨɞɧɨɝɨ
ɫɢɝɧɚɥɚ