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3. Implementation of the communication option cards
3. 11. 1. 1. +/- speed mode
Assignment of the Inputs/Outputs
4 logic inputs used on the terminals, 2-wire control
LI1: Forward
LI2: Reverse
LI3: + speed
LI4: - speed
3. 11. 1. 2. 7-speed mode, 1 direction of operation
Assignment of inputs/outputs
4 logic inputs used on the terminals, 2-wire control
LI1: Forward
LI2: 2 preset speeds
LI3: 4 preset speeds
LI4: 8 preset speeds
Note: The application function on the drive is "8-speed" even though with the AS-i mode only 7 are used.
Control bits
Command
D3(O) D2(O) D1(O) D0(O)
LI4
- speed
LI3
+ speed
LI2
reverse
LI1
forward
00
0 0
Stop
Normal
0100
1000
1100
0 0 0 1
Forward
"speed maintenance"
0 1 0 1 + speed
1 0 0 1 - speed
0 0 1 0
Reverse operation
"speed maintenance"
0 1 1 0 + speed
1 0 1 0 - speed
0011
Reset
0111
1011
1111
Control bits
Command
D3(O) D2(O) D1(O) D0(O)
LI4
8-spd
LI3
4-spd
LI2
2-spd
LI1
Forward
000
0
Stop
Normal
0100
1000
1100
0 0 1 0 Not used
0 1 1 0 Not used
1 0 1 0 Not used
1 1 1 0 Not used
0 0 0 1
Forward
1
st
speed: LSP+AI
0 0 1 1 2
nd
speed: SP2
0 1 0 1 3
rd
speed: SP3
0 1 1 1 4
th
speed: SP4
1 0 0 1 5
th
speed: SP5
1 0 1 1 6
th
speed: SP6
1 1 0 1 7
th
speed: HSP
1111Reset