ABB ACH550-01, Руководство пользователя

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