ABB ACS510-01, User Manual

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ACS510 User’s Manual 77
Start-Up
Group 12: Constant Speeds
This group defines a set of constant speeds. In general:
• You can program up to 7 constant speeds.
• Values must be positive (No negative speed values for constant speeds).
• Constant speed selections are ignored if:
– the process PID reference is followed, or
– the drive is in local control mode, or
– PFC (Pump-Fan Control) is active.
Note! Parameter 1208
CONST SPEED
7 acts also as a so-called fault speed which
may be activated if the control signal is lost. For example, see parameters 3001
AI
<
MIN FUNCTION
, 3002
PANEL COMM ERR
and 3018
COMM FAULT FUNC
.
Code Description
1201 CONST SPEED SEL
Defines the digital inputs used to select Constant Speeds. See general comments in introduction.
0 =
NOT SEL
– Disables the constant speed function.
1 =
DI
1 – Selects Constant Speed 1 with digital input
DI
1.
• Digital input activated = Constant Speed 1 activated.
2…6 =
DI
2…
DI
6 – Selects Constant Speed 1 with digital input
DI
2…
DI
6. See above.
7 =
DI
1,2 – Selects one of three Constant Speeds (1…3) using
DI
1 and
DI
2.
• Uses two digital inputs, as defined below (0 =
DI
de-activated, 1 =
DI
activated):
• Can be set up as a so-called fault speed, which is activated if the control signal is lost. Refer to parameter 3001
AI
<
MIN
function and parameter 3002
PANEL COMM ERR
.
8 =
DI
2,3 – Selects one of three Constant Speeds (1…3) using
DI
2 and
DI
3.
• See above (
DI
1,2) for code.
9 =
DI
3,4 – Selects one of three Constant Speeds (1…3) using
DI
3 and
DI
4.
• See above (
DI
1,2) for code.
10 =
DI
4,5 – Selects one of three Constant Speeds (1…3) using
DI
4 and
DI
5.
• See above (
DI
1,2) for code.
11 =
DI
5,6 – Selects one of three Constant Speeds (1…3) using
DI
5 and
DI
6.
• See above (
DI
1,2) for code.
12 =
DI
1,2,3 – Selects one of seven Constant Speeds (1…7) using
DI
1,
DI
2 and
DI
3.
• Uses three digital inputs, as defined below (0 =
DI
de-activated, 1 =
DI
activated):
DI
1
DI
2 Function
0 0 No constant speed
1 0 Constant speed 1 (1202)
0 1 Constant speed 2 (1203)
1 1 Constant speed 3 (1204)
DI1 DI2 DI3 Function
0 0 0 No constant speed
1 0 0 Constant speed 1 (1202)
0 1 0 Constant speed 2 (1203)
1 1 0 Constant speed 3 (1204)
0 0 1 Constant speed 4 (1205)
1 0 1 Constant speed 5 (1206)
0 1 1 Constant speed 6 (1207)
1 1 1 Constant speed 7 (1208)
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