ACS 300 User’s Manual 23
Chapter 4 - Control Connections
Figure 4-2 Control Card Connections.
1)
Refer to Figure 4-1 “Control Card” on page 22 for voltage/cur-
rent reference selection.
2)
Tighten terminal connections to 4.5 lbs.-in. torque.
Parameter Lock
Keypad access to the parameter settings can be locked
using section C of I/O option switch S1 on the control card.
If S1, C is in the OFF (0) position, parameter values can be
changed and the control location can be switched to local
(control panel keypad control).
Terminal block
X1
Function
1 REF Reference for potentiometer +10 V DC, maximum
permitted burden 10 mA, 1 kΩ < R < 10 kΩ
2GND
3 AI+ Analogue input, reference 0 to 10 V (or 0 to 20 mA)
1)
or 2 to
10 V (or 4 to 20 mA), R
i
= 200 kΩ (voltage signal) & R
i
= 250 Ω
(current signal)
4GND
5 +24 V Auxiliary voltage output +24 V DC, max. permitted burden
50 mA
6 DI1 Digital inputs 1- 5
Digital input functions are selected by I/O option switch S1, refer
to page 25 for a more detailed description.
Control voltage 24 - 48 V
7DI2
8DI3
9DI4
10 DI5
11 AO+ Analogue output, signal 0 to 20 mA or 4 to 20 mA (minimum
selected by Page 2 parameter A. OUT OFFS), R
L
<500 Ω
12 GND
13 RO 11 Relay output, programmable (factory setting is Fault). Refer to
page 33 for a more detailed description.
14 RO 12
15 RO 13
16 RO 21 Relay output, programmable (factory setting is Fault). Refer to
page 33 for a more detailed description.
17 RO 22
18 RO 23
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