ABB DCS模塊ai890
1. 先確定調整的壓力範圍和標準值；
2. 注意關閉原有壓力繼電器的電源；
3. 在調整壓力繼電器之前，需要先確保氣路中沒有壓力，防止調整時發生意外；
4. 嘗試找到壓力繼電器壓力調節螺旋，通常在繼電器的一個端口上；
5. 通過旋轉螺旋來實現壓力調節，根據所需的壓力標準值調整；
6. 在調整完畢後，檢查氣路是否有泄漏，重新調整並測試指針位置等參數。
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