同時等待信號重現(xiàn)或是變形消失。要正確計算相序分量和功率分量則需要電力系統(tǒng)的相序。相位轉(zhuǎn)設(shè)置要同電力系統(tǒng)的相序相匹配。請注意此設(shè)置使繼電器獲得實際系統(tǒng)相序的信息,不是ABC就是ACB。為了正確運行，標有A.B.C的繼電器的CT和VT輸入必須同系統(tǒng)的A.B.C相正確連接。

OPTO-22 PB32HQ, PAMUX B4 DIGITAL BRAIN BOARD

LOT OF 7 OPTO 22 AD7

Mistic Controller OPTO 22 Mod. 200 I/O Unit

FIELD CONTROL OPTO 22 G4B16T W/ 16 RELAYS NACHI FOJIKOSHI

FIELD CONTROL OPTO 22 G4B16T W/ 16 RELAYS NACHI FOJIKOSHI C

OPTO 22 ANALOG BRAIN BOARD B1 WITH MODULES

OPTO 22 PB 24 TERMINATION BOARD, AC/DC INPUT/OUTPUT

OPTO 22 G4PB24 24 CHANNEL RELAY BOARD w. RELAYS LNC

OPTO 22 DA4 0 – 5v LOT OF 3

OPTO 22 AD16T 0 – 5 amp input lot of 3

OPTO 22 M4SARC M4 SLAVE ARCNET

Allen Bradley Field Control Model 8600TSA CNPL REV W/16 opto22 #1AC24