Datasheet
I
em4 I 03 I www.em4-remote-plc.com
Supply
Nominal voltage 24 VDC (-15% / +20%)
Operating limits 20.4 - 28.8 VDC
Immunity from micro power cuts y 1 ms (repetition 20 times)
Max. absorbed power 5W @ 24 VDC, 6.5 W @ 28.8 VDC, - 0.3 W backlight OFF
Protection against polarity inversions Yes
Inputs
Digital and high speed digital inputs 24 VDC - 4 inputs from I1 to I4
Input used as digital input
Input voltage 24 VDC (-15% / +20%)
Input current 1.8 mA @ 20.4 V
2.1 mA @ 24 V
2.5 mA @ 28.8 V
Input impedance 11.6 kΩ
Logic 1 voltage threshold u 15 VDC
Making current at logic state 1 u 1.3 mA
Logic 0 voltage threshold y 10 VDC
Release current at logic state 1 y 0.8 mA
Response time 1 to 2 cycle times
Sensor type Contact or 3-wire PNP
Conforming to IEC/EN 61131-2 Type 1
Input type Resistive
Isolation between power supply and inputs None
Isolation between inputs None
Protection against polarity inversions Yes
Status indicator On LCD screen
Cable length y 100 m
Input used as high speed digital input
Maximum counting frequency 3 channels encoder (I1, I2, I3): 20 kHz*
2 independent counters (I1, I2) (I3, I4) (Cumul, IND, DIR): 2 channels: 40 kHz*,
4 channels: 20 kHz*,
2 independent counters (I1, I2) (I3, I4) (PH, PH2): 2/4 channels: 20 kHz*
4 independent counters (I1, I2, I3, I4) (Up/Down) : 1 channel: 60 kHz*, 2 channels:
40 kHz*, > 2 channels: 20 kHz*
* with a time cycle <= 10 ms and a ton / toff = 50% +/- 5%, level 0 < 2V and level 1 >
20,4V
Other functions 4 chronometers (I1, I2, I3, I4 )
4 tachometers (I1, I2, I3, I4 )
Cable length y 3 m with shielded twisted cable
Digital 24 VDC and analog inputs 12 bits / 28.8 V - potentiometer - 8 inputs from I5 to IC
Input used as digital input
Input voltage 24 VDC (-15% / +20%)
Input current 1.8 mA @ 20.4 V
2.1 mA @ 24 V
2.5 mA @ 28.8 V
Input impedance 11.6 kΩ
Logic 1 voltage threshold u 11 VDC
Making current at logic state 1 u 1 mA
Logic 0 voltage threshold y 9 VDC
Release current at logic state 1 y 0.7 mA
Response time 1 to 2 cycle times
Sensor type Contact or 3-wire PNP
Conforming to IEC/EN 61131-2 Type 1
Input type Resistive
Isolation between power supply and inputs None
Isolation between inputs None
Protection against polarity inversions Yes
Status indicator On LCD screen
Cable length y 100 m