ABB ACH550-01 User Manual page 400

Hardware description
X1
1 SCR
2 AI1
3 AGND
4 +10 V
5 AI2
6 AGND
7 AO1
8 AO2
9 AGND
388
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%.
Two different DIP switch types can be used.
J1: AI1 OFF: 0...10 V (R
J1: AI1 ON: 0...20 mA (R
Analog input circuit common (connected internally to the
chassis ground through 1 Mohm).
10 V/10 mA reference voltage output for analog input
potentiometer (1...10 kohm), accuracy ±2%.
Analog input channel 2, programmable. Default
used. Resolution 0.1%, accuracy ±1%.
Two different DIP switch types can be used.
J1: AI2 OFF: 0...10 V (R
J1: AI2 ON: 0...20 mA (R
Analog input circuit common (connected internally to the
chassis ground through 1 Mohm).
Analog output, programmable. Default
0...20 mA (load < 500 ohm)
Analog output, programmable. Default
0...20 mA (load < 500 ohm)
Analog output circuit common (connected internally to
the chassis ground through 1 Mohm).
ACH550 User's Manual
= 312 kohm)
i
= 100 ohm)
i
= 312 kohm)
i
= 100 ohm)
i
2
= frequency.
2
= current.
Technical data
2
= not