TECO SG2 Series - Page 58

Chapter 4 Relay Ladder Logic Programming 56
High Speed Counter Mode 8 (DC powered versions only)
The Mode 8 High Speed Counter can use either input terminals I1 or I2 for forward up-counting to 1 KHz
maximum at 24VDC high speed input signal. The selected Counter Coil (C1-CF) will turn ON when the pulse
count reaches the target “Preset ON” value and remain ON until the pulse count reaches the target “Preset
OFF” value. The Fixed Time xxxx. The counter will reset when the preceding rung is inactive.
The table below describes each configuration parameter for High Speed Counter Mode 8.
Symbol Description
c
Counting Mode(8)—Frequency Comparison
d
High speed counting input terminal: only I1, I2
il bl
e
Counting interval time:(0~99.99S)
f
Counter ‘on’ target value (000000~999999)
g
Counter ‘off’ target value (000000~999999)
h
Code of Counter (C1~CF Total :15Group)
In the example below shows the relationship between the
numbered block diagram for a Mode 8 Counter, the ladder
diagram view, and the software Edit Contact/Coil dialog box.