
FEMA ELECTRÓNICA . Series K . K40-C1
5
Digits
number of digits
4
led
7 segments led
color red
digit height
20 mm
Reading
maximum reading
9999
minimum reading
-1999
decimal point
configurable X.X.X.X.
overrange / underrange
configurable to flash, reset or preset
display refresh
15 readings / second
memory retention
yes, retains reading value in case of pow-
er loss
Signals accepted
NPN, PNP, Namur, pick-up, TTL, induc-
tive, mechanical, quadrature, ...
Max. Vdc at
input
±30 Vdc
Input impedance
2K4 with pull-up or pull-down resistor
470K without pull resistor
Accuracy
of the quartz
±0.01 %
Thermal drift
20 ppm / ºC
Excitation voltage
configurable
output voltage
+18 Vdc, +15 Vdc, +9 Vdc, +5 Vdc
maximum current
70 mA
protection
yes, current limited to 70 mA
Frequencies
ratemeter modes (see Table 4)
periodmeter modes (see Table 5)
Power
power ‘H’
85 to 265 Vac/dc
power ‘L’
11 to 60 Vdc and 24/48 Vac
isolation*
3500 Veff with power ‘H’
2000 Veff with power ‘L’
*tested for 60
sec.
consumption
<1.5 W only meter
<4.0 W meter with options
Configuration
3 buttons front keypad
Front protection
IP54 standard
IP65 optional (see section 3.2)
Output and control options
relays, analog outputs, serial communi-
cations (see section 2)
Mechanical
mounting
panel
connections
plug-in screw terminal
housing material
ABS, polycarbonate (V0)
weight
<150 grams
front size
96 x 48 mm (1/8 DIN)
panel cut-out
92 x 44 mm
depth from panel
91 mm (including terminals)
Temperature
operation
from 0 to +50 ºC
storage
from -20 to +70 ºC
warm-up time
15 minutes
Counter
Mode
Frequency
Section
Counter
‘FAST’ mode
max. 250 KHz
normal mode
max. 9 KHz
C inhibition
max. 9 KHz
C control A/S
max. 9 KHz
Counter differential
max. 9 KHz
Counter
quadrature
mode x1
max. 17 KHz
mode x2
max. 16 KHz
mode x4
max. 11 KHz
Table 3 - Maximum input frequency for counter modes
Ratemeter
Mode
Frequency
Section
Ratemeter
normal mode
max. 900 KHz
SLOW’ mode
max. 200 KHz
min. 1 mHz
Ratemeter
quadrature
mode x1
max. 17 KHz
mode x2
max. 16 KHz
mode x4
max. 11 KHz
Table 4 - Maximum and minimum input frequency for ratemeter modes
Periodmeter
Mode
Frequency
Section
Periodmeter
normal mode
max. 900 KHz
SLOW’ mode
max. 200 KHz
min. 1 mHz
(1000 sec.)
Table 5 - Maximum and minimum input frequency for periodmeter modes
1.12 Mechanical dimensions (mm)
1.11
Technical specifications
44
92
Panel
cut-out
96
48
16
8
75