Emerson EV2000 Series - Page 65

Chapter 5 Parameter Introductions 61
EV2000 Series Universal Variable Speed Drive User Manual
Setting Functions
5 Acc/Dec time 2
6 External fault signal normally-open input
7 External fault signal normally-close input
8 RESET signal
9 Forward jog operation
10 External terminals for reverse jog operation
11 Coast-to-stop(FRS)
12 Frequency ramp up (UP)
13 Frequency ramp down(DN)
14 Pause the PLC operation
15 Acc/Dec prohiBit
16 3-wire operation control
17
External interrupt signal normally-open
input
18
External interrupt signal normally-close
input
19 DC injection braking command (DB)
20 Close-loop disabled
21 PLC disabled
22 Frequency selector 1
23 Frequency selector 2
24 Frequency selector 3
25
Frequency reference is input via terminal
CCI forcibly
26 Reserved
27 Terminal control mode is forcibly enabled
28 Control mode selector 1
29 Control mode selector 2
30 Preset close-loop reference 1
31 Preset close-loop reference 2
32 Preset close-loop reference 3
33 Start traverse operation
34 Reset the traverse operating status
35 External stop command
36 Reserved
37 Drive operation prohiBiting
38 Reserved
39 Length clearing
40 Auxiliary reference frequency clearing
41 Reset PLC stopping status
42 Counter’s zero-clearing signal input
43 Counter’s trig signal input
44 Input the signal of length
45 Pulse input
46 Single-phase speed measuring input
47
Speed measuring input SM1(only set for
X7)
48 Speed measuring input SM2(only for X8)
Introductions to functions listed in Table 5-5:
1~3: setting speed reference
Up to 8 speed references can be set through different
ON/OFF combinations of terminals K
3
, K
2
and K
1
.
Table 5-6 On/Off combinations of terminals
K
3
K
2
K
1
Frequency setting
OFF OFF OFF
Common operating
frequency
OFF OFF ON Preset frequency 1
OFF ON OFF Preset frequency 2
OFF ON ON Preset frequency 3
ON OFF OFF Preset frequency 4
ON OFF ON Preset frequency 5
ON ON OFF Preset frequency 6
ON ON ON Preset frequency 7
The frequency references will be used in MS speed
operation and simple PLC operation. Take MS speed
operation for example:
Definitions of terminals X1, X2 and X3:
After setting F7.00 to 1, F7.01 to 2 and F7.03 to 3,
terminals X1, X2 and X3 can be used in MS speed
operation, as shown in Fig. 5-39.
speed7
K
3
Output freq.
speed1
speed2
speed3
speed4
speed5
speed6
Speed
command
K
1
K
2
Common
operating
freq.
Time
Fig. 5-39 Multi-step speed operation
In Fig. 5-40, terminal control is selected. The operating
direction can be controlled by K
4
and K
5
. Common
operating frequency and preset frequency 1~7 can be
selected through different On/Off combinations of K
1
, K
2
and K
3
.