A7 power stage interface, Figure 3.14 relay logic – Rockwell Automation 1395 Digital DC Drive FRN 5-10.10/9.30 User Manual
Page 58
Chapter 3
Hardware Description
40 – 100 HP, 230VAC
75 – 200 HP, 460VAC
3-18
If K3 is being commanded to energize, the voltage at TP21 will be 0VDC.
If K3 is to be de-energized, the voltage at TP21 will be +24VDC.
Figure 3.14
Relay Logic
TB2
J9
115
VAC
Common
To DC
Motor
F8
NOTE: To pro-
vide DC Contac-
tor energization,
a jumper or oth-
er external cir-
cuitry must be
connected be-
tween TB2–8
and TB2–9.
3
4
5
6
7
8
9
M1
M1–X
A1
A2
3 Phase
AC
1
2
1
2
Armature
Bridge
K
1
6
K3
4
3
NOTE: 24 VDC must
not be used for any
purpose other than
ECOAST
TB3
12
11
10
9
8
7
6
4
5
24VDC
ECOAST
(Optional)
24 V – OUT
24 V + OUT
24 V ECOAST –
24 V ECOAST +
FLT2
FLT1
115V COMMON OUT
115V ECOAST 2
115V ECOAST 1
ECOAST
Closed When
Drive is not
Faulted
ISO
ECOAST
A7
Power
Stage
Interface
ISO
CVERIFY
K3
+ 24 V
K2
K1
+ 24 VDC
K1
SYSTRIP
DCPILOT
K3
+ 24 VDC
FAULTED
SYSTRIP
DCPILOT
J10
TP21
K2
115 VAC
115 VAC Common
PR
Optional
External
Control
Contacts
From
Main
Control
Board
3
1
2
J1
10
1
3
12
10
15
TB5
J1
Common In
Motor Temp In
Reset In
Motor
Thermostat
Reset
24VDC
or 115VAC
Source
TE
PE
5
6
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
HY4
HY5
32
16
33
HY3
HY2
Comm
HY1
HST
AC or DC Overcurrent
NOTE: An
explanation
of terminals
1, 2 and 3 is
provided on
pg 6.22.