Configuration Of The Tachometer Mode - Crouzet 87 620 Manual Del Usuario

5.2 - Configuration of the tachometer mode

PARAMETERS VALUES
Default
configuration
Function of
counting and
control inputs
 )  
 )  # 
 )  
 )   
 ) 
Time unit
 
 % )
Display of
#
decimal point
#
on screen
#
#
Minimum input

frequency

Low threshold
for output OUT1
(3)
High threshold
for output OUT2
(3)
Logic of NPN or
 )  
PNP inputs
 ) 
 )  
 ) 
(1) Operation with phase discriminator.
(2) Input B passive (0 V for PNP or 24 V for NPN) for upcounting mode.
Input B active (24 V for PNP or 0 V for NPN) for downcounting mode.
(3) Only for units with 2 presets.
12 - 2005
DESCRIPTION
*
- Manual reset

- Default factory setting (parameters

marked *)
Input A
Counting
*
input
Counting
Adding
Adding
Phase A (1)
*
- Pulses/second
- Pulses/minute
*
xxxxxx no decimal point
xxxxx.x
xxxx.xx
xxx.xxx
- 1 Hz (if no pulse after 1 s, the display returns
*
to 0)
- 0,125 Hz (if no pulse after 8 s, the display
returns to 0)

- No output signal
- Output OUT1 bistable, OUT1 = 1 if current
*
 )
value y P1

- No output signal
- Output OUT2 bistable, OUT2 = 1 if current
*
 )
value u P2
- HTL inputs for NPN (sensitive to a level "0"
y c 2 V and "1" u c 8 V)
- HTL inputs for PNP (sensitive to a level "0"
*
y c 2 V and "1" u c 8 V)
- TTL inputs for NPN (sensitive to a level "0"
y c 2 V and "1" u c 3.8 V)
- TTL inputs for NPN (sensitive to a level "0"
y c 2 V and "1" u c 3.8 V
87 620
Input B Input C
–
Counting
Hold
direction (2)
Subtracting
Adding
Phase B (1)
p p p
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