ABB DriveIT ACH550-01 User Manual page 394

Hardware description
X1
1 SCR
2 AI1
3 AGND
4 +10 V
5 AI2
6 AGND
7 AO1
8 AO2
9 AGND
390
Hardware description
Terminal for signal cable screen. (Connected internally to
chassis ground.)
Analog input channel 1, programmable.
2
Default = frequency reference. Resolution 0.1%,
accuracy ±1%.
J1:AI1 OFF: 0...10 V (R
J1:AI1 ON: 0...20 mA (R
Analog input circuit common. (Connected internally to
chassis gnd. through 1 MΩ)
10 V/10 mA reference voltage output for analog input
potentiometer, accuracy ±2%.
Analog input channel 2, programmable. Default
used. Resolution 0.1%, accuracy ±1%.
J1:AI2 OFF: 0...10 V (R
J1:AI2 ON: 0...20 mA (R
Analog input circuit common. (Connected internally to
chassis gnd. through 1 MΩ)
Analog output, programmable. Default
0...20 mA (load < 500 Ω)
Analog output, programmable. Default
0...20 mA (load < 500 Ω)
Analog output circuit common (Connected internally to
chassis gnd. through 1 MΩ)
ACH550 User's Manual
= 312 kΩ)
i
= 100 Ω)
i
= 312 kΩ)
i
= 100 Ω)
i
2
= frequency.
2
= current.
Appendix and available options
2
= not