Ol2252 dual high speed pulse counter – Nematron OptiLogic Series User Manual
Page 22
Optimation, Inc.
(256)883-3050
22
OptiLogic Series
OL2252 Dual High Speed Pulse Counter
Inputs (all)
8
Card Cage Power
Required
100 mA
Pulse Inputs
2
Status Indicators
Logic side LED
Input Voltage
10 - 30 VDC
Input Impedance
2.7K ohms
Input frequency (on
pulse inputs)
15 KHz maximum
Commons
2
Min. On Current (per
point)
3.3 mA
Terminal Strip
Plug In (removable)
Max. On Current (per
point)
11 mA
Terminal Screws
Slotted (0.1
” blade
max.)
Max terminal wire
gauge
18 AWG
Required Temperature
rating
of field installed
conductors
60
C/75C
Weight
1.2 oz (34g)
Terminal block torque
2.2 lb-in
Type
80
Subtype
1
Terminal
Terminal
1
Common
6
Reset 2
2
Common
7
Enable 1
3
Pulse 1
8
Enable 2
4
Pulse 2
9
In 6
5
Reset 1
10
In 7
The OL2252 module provides two independent high speed pulse counter inputs. Each input counter will accurately
count pulse inputs up to 15KHz. Inputs may be sourcing or sinking type There are a number of operating options
available with the OL2252. The six remaining inputs can be used as predefined control signals or as general
purpose inputs. These options are detailed in the following pages.
module internal
circuit
optical
isolation
To
OptiLogic
processor
1
2
4
5
6
7
8
9
10
3
0
2
3
1
4
5
6
7
L
O
O
2252
P
U
L
S
E
I
N
10
9
8
7
6
5
4
3
2
1
10-30VDC
IN7
IN6
RESET 1
RESET 2
EN 2
EN 1
Pulse 2
Pulse 1