YASKAWA VS-505WII - Page 19

Table 12
Functions of
External Control Terminals for Output
*Allowable rating 24 VDC, 50 mA .

(24 VDC
power supply required
externally .)
Signal Name
Terminal
Function
1 Ready signal 24 - 25
Contact signal closed when
. .-0 operation is ready .
Allowable contact
(PREP light ON .) capacity
2
Operation signal
zz
3
21-22-23
NO
contact ----
For input
220 VAC, 2 A
o- c ommand .
24
3 Failure signal
19~~
18-19-20
Contact signal c ose " or
VDC, 2 A
0-1 -
° opened)
when failure occurs .
4 Zero-speed
44
"ON" at motor
speed 1% or below (±6 V/100% NPB) .
detection si n al
5 Main circuit current detec-
49 - V 100 Ia
tion signal
(Allowable load
impedance : 3 k9Z)
±12 V Max
6
Speed reference signal 11
-6 V/100% N Terminals 11 an (A 12
short-circuited .
7 Speed feedback signal
4 Input from Type JGSM- when revers1p e operation
b ACTG . ( OPN : Open)
8
Indi-
Thyristor
cooling
39 "ON" by thyristor cooling
vidual
fan stop
fan stop .
failure
Thyristor overcur- 40
"ON" by thyristor overcur-
detec-
rent
and overload rent
overloa d .
tion
Field lost
41 "ON" b fiel d loss .
signal
Motor overheat 42
"ON" b motor overheat .
Fuse blown 43 "ON"
b fuse-blown .
9 Speedometer 50 - 1 Connected
to 1 mA DC meter (2 kQ or below) .
(Full scale a t_ maximum
speed)
10 Main circuit ammeter
-
1
Connected to 1
mADC meter (2 kQ or below) .
(Full scale at 150% load)
11 Control power supply
53 -15 V
54 0 V (S
G)
55 +15 V
38 +24
V
37 0 V ( POWER 0 V
~~
EP
+48
V Isolate(A from other
34 V POWER
TV control r,rpr~C-~ 1 ~1y .