Wire control non-reversing 24v dc internal supply, Wire control internal supply, Heat exchanger control board – Rockwell Automation 20L-LL PowerFlex 700L Liquid-to-Liquid Heat Exchanger User Manual
Page 23: Wire control 24v dc internal supply
Installation
1-13
PowerFlex 700L Liquid-to-Liquid Heat Exchanger User Manual
Control Interlock Wiring
The interlock contact output on the heat exchanger control board can be
interlocked (
Figure 1.10
or
) with the PowerFlex 700L drive to
prevent the drive from running when the heat exchanger is in a faulted state.
Figure 1.10 Control Interlock Wiring for Drive with PowerFlex 700 Vector Control
Figure 1.11 Control Interlock Wiring for Drive with PowerFlex 700S Phase II Control
J2
J1
J1
J3
S1
S2
J4
J8
J7
J6
J5
FU1
1
9
1
5
1
2
3
4
5
6
7
8
9
10
1
10
1
8
11
1
2
3
4
5
6
7
8
9
10
11
24
Run
25
26
27
28
2-Wire Control
Non-Reversing
24V DC Internal Supply
Required PowerFlex 700 Vector
Control Parameter Changes:
P190 - [Direction Mode] = “0” (Unipolar)
P361 - [Digital In1 Sel] = “0” (Not Used)
P362 - [Digital In2 Sel] = “7” (Run)
Required PowerFlex 700 Vector
Control Parameter Changes: None
PowerFlex 700 Vector Control
Cassette I/O Terminal Block
Heat Exchanger
Interlock Contact
(30 VDC @ 10A Max.)
J1
Heat Exchanger
Interlock Contact
(30 VDC @ 10A Max.)
PowerFlex 700 Vector Control
Cassette I/O Terminal Block
1
2
3
4
5
6
7
8
9
10
11
24
Start
25
26
27
28
3-Wire Control Internal Supply
Stop
Heat Exchanger
Control Board
J2
J1
J3
S1
S2
J4
J8
J7
J6
J5
FU1
1
9
1
5
1
2
3
4
5
6
7
8
9
10
1
10
1
8
11
1
2
3
4
5
6
7
8
9
10
11
9
Run
10
11
12
13
14
15
16
2-Wire Control
24V DC Internal Supply
Required PowerFlex 700S Ph. II
Control Parameter Changes:
P829 - [Dig In5 Sel] = “7” (Run)
Required PowerFlex 700S Ph. II
Control Parameter Changes:
P828 - [Dig In4 Sel] = “5” (Start)
P829 - [Dig In5 Sel] = “14” (Normal Stop)
PowerFlex 700S Ph. II
Control Cassette TB2
1
2
3
1
2
3
4
5
6
7
8
9
10
11
Start
3-Wire Control Internal Supply
Stop
J1
Heat Exchanger
Interlock Contact
(30 VDC @ 10A Max.)
J1
Heat Exchanger
Interlock Contact
(30 VDC @ 10A Max.)
9
10
11
12
13
14
15
16
PowerFlex 700S Ph. II
Control Cassette TB2
1
2
3
Heat Exchanger
Control Board