OP-STOP DC INJECTION BRAKE
Page 7
3 CARD FUNCTIONS
3.1 CARD LAYOUT
CURRENT FBK
RESET
IOC
PWR
INJCT
L1
INPUT 120VAC
MOTOR VFBK
RZ24
DC INJECTION BRAKE CARD
CAUTION !!!
MAINS VOLTAGE POTENTIAL
SAF
K1
G1
K2
G2
K3
G3
K4
G4
10
12
14
16
18
20
BRAKING
TORQUE
HI
LO
+24V
COM
1A 250V
VOLTAGE LEVEL
BURDEN
CA398-3
TIME
DC
MOTOR VFBK
INPUT 120VAC
L1
TORQUE
DC INJECTION BRAKE CARD
1A 250V
16
20
18
14
12
10
IOC
RESET
PWR
BURDEN
COM
+24V
BRAKING
TIME
K2
MAINS VOLTAGE POTENTIAL
RZ24
G4
K4
G3
G2
K3
VOLTAGE LEVEL
HI
LO
CURRENT FBK
G1
K1
PRI
SEC
PRI
SEC
U11
OPT
SCR1
SCR2
SCR3
SCR4
T2
T3
T4
T5
U7
U6
LD3
LD1
K1
U12
U10
SW1
U2
J3
R7
RV2
J2
LD2
T1
U3
ISO1
ISO2
U5
RV1
J5
FU1
K2
JP1
J1
J4
U4
NE1
U8
U9
ISO3
ISO4
J2
T1
FU1
ISO2
ISO1
OPT
LD2
LD3
SW1
U3
U2
U6
U5
R7
J1
U4
RV1
RV2
T3
J4
K2
U10
U8
U12
ISO4
K1
ISO3
J5
T5
T4
SCR3
NE1
SCR4
SCR2
JP1
U7
U9
U11
J3
T2
SCR1
CA398 – DC INJECTION CARD
3.2 LED AND NEON INDICATIONS
LED NAME COLOUR DESCRIPTION
LD1
DC INJCT
RED On when unit is braking
LD2
PWR
GREEN Must be ON when 115VAC is applied
LD3
IOC
RED
Instantaneous Over-Current fault indication when
illuminated
NE1
PHASE OK
ORANGE Phase loss indication when neon not glowing
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