ABB AC31 - Page 111

Table 59: Pin assignment AO (X2)
Connector / Terminal Pin Assignment / Signal
X2 / 2.0 4 AO523 / O0+
X2 / 1.0 5 AO523 / O0- (AGND)
X2 / 2.1 6 AO523 / O1+
X2 / 1.1 7 AO523 / O1- (AGND)
X2 / 2.2 8 AO523 / O2+
X2 / 1.2 9 AO523 / O2- (AGND)
X2 / 2.3 10 AO523 / O3+
X2 / 1.3 11 AO523 / O3- (AGND)
Table 60: Pin assignment AO (X3)
Connector / Terminal Pin Assignment / Signal
X3 / 2.4 12 AO523 / -
X3 / 1.4 13 AO523 / O4- (AGND)
X3 / 2.5 14 AO523 / -
X3 / 1.5 15 AO523 / O5- (AGND)
X3 / 2.6 16 AO523 / -
X3 / 1.6 17 AO523 / O6- (AGND)
X3 / 2.7 18 AO523 / -
X3 / 1.7 19 AO523 / O7- (AGND)
Table 61: Pin assignment 24 V DC 9W (X4)
Connector / Terminal Pin Assignment / Signal
X4 / L+ 20 L+
X4 / L+ 21 L+
X4 / M 22 M
X4 / M 23 M
X4 / FE 24 FE
Table 62: Pin assignment DI (X5)
Connector / Terminal Pin Assignment / Signal
X5 / + 25 IN+
X5 / - 26 IN- (electrically isolated earth)
Table 63: Pin assignment AO (X6)
Connector / Terminal Pin Assignment / Signal
X6 / 4.0 27 AO523 / O8+
X6 / 3.0 28 AO523 / O8- (AGND)
X6 / 4.1 29 AO523 / O9+
X6 / 3.1 30 AO523 / O9- (AGND)
AC31 Adapters
Replacement devices: I/O modules > Replacement device 07AC91-AD
2018/09/24 3ADR010122, 8, en_US 111