Allen-Bradley 700-HX - Timing Charts

Publication 700-UM002A-EN-D - July 2001
3-10 Functions
Note:
1. When the mode is changed to timer/twin timer selection mode, the present
value is reset and output turns OFF. Timing operation is not performed in
timer/twin timer selection mode.
2. Setting changes made in timer/twin timer selection mode are enabled when
the mode is changed to run mode. If settings are changed, the 700-HX is
automatically reset (present value initialized, output turned OFF).
Timing Charts
The gate input is not included in the 700-HX.
1
MODE
+
To change the mode to timer/twin timer selection mode, hold
down the key for 1 s min. with the key held down.
The key must be pressed before the key.
If the key is pressed first, the mode will not change.
MODE
Select either timer operation or twin timer operation
using the keys.
1
Power ON
Timer/Twin timer
selection
Run Mode
Note: factory-set for timer operation.
Timer/Twin Timer Selection Mode
1 s min.
1
1
MODE
The 700-HX is
Output mode A Mode: Signal ON-Delay (Timer resets when power comes ON.)
Power
Start signal
Gate
Reset
Control output
Set value
Timing
diagram
UP
DOWN
0
0
Set value
t
t
t
Timing starts when the start signal goes ON.
The control output is controlled using a sustained or
one-shot rime period.
While the start signal is ON, the timer starts when
power comes ON or when the reset input goes OFF.
Basic Operation
Power
**
Start signal
input
Output
* Output is instantaneous when setting is 0.
** Start signal input is enabled during timing.
Timing
1
One-shot
Sustained output
One-shot outputs can be to set to 0.1 s, 0.5 s, 1s, 5 s, 10 s, 20 s.