Toshiba GRZ100-211B, Instruction Manual

Page: 266 / 463


265

6 F 2 S 0 8 3 4
6.5.2 Timer Test
The delayed pick-up time of the variable timer can be measured by connecting the monitoring
jacks A and B to a time counter as shown in Figure 6.5.2.1. Jacks A and B are used to observe the
input signal and output signal of the timer respectively.
Time
counter
TB4 -A16
-A17
E
GRZ100
DC
power
supply
+
−
Monitoring
jack
A
0V
Start
Stop
0V
B
Figure 6.5.2.1 Testing Variable Timer
•
Press 4 (= Timer) on the "Test" screen to display the "Timer" screen.
•
Enter the number corresponding to the timer to be observed. The timers and assigned numbers
are listed in Appendix C.
•
After completing both settings, press the END key to display the following screen.
/ 2
P r e s s E N T E R t o o p e r a t e .
C A N C E t o c a n c e l . L P r e s s
T i m e r
•
Press the ENTER key to operate the timer. The "TESTING" LED turns on, and the timer is
initiated and the following display appears. The input and output signals of the timer can be
observed at monitoring jacks A and B respectively. The LEDs above monitoring jacks A or B
are also lit if the input or the output signal exists.
Check that the measured time is within 10 ms of the setting time.
/ 2
P r e s s E N D t o r e s e t .
C A N C E
t o c a n c e l .
L
P r e s s
T i m e r
O p e r a t i n g . . . . . .
•
Press the END key to reset the input signal to the timer. The "TESTING" LED turns off.
Press
CANCEL key to test other timers. Repeat the above testing.
To measure the drop-off delay time, press the END key after the LED above jack B lights. The
off-delay time is the time from a signal at the monitoring jack A resets till a signal at the
monitoring jack B resets.
www
. ElectricalPartManuals
. com