Datasheet

I em4 I 05 I www.em4-remote-plc.com
Input used as 0-20 mA analog input
Measuring range
0  20 mA (4  20 mA by the application)
Input impedance 245 Ω
Maximum value without destruction 30 mA max
Input type Common mode
Resolution 11 bit (normalized at 0 - 2000) / 20 mA
Value of LSB 10 µA
Conversion time Controller cycle time
Maximum error at 25°C (77°F) +/- 1.2 % of full scale
Maximum error at 55°C (131°F) +/- 1.7 % of full scale
Repeat accuracy at 55°C (131°F) +/- 0.5 %
Isolation between analog channel and power supply None
Protection against polarity inversions Yes
Overvoltage protection Yes If the input voltage is > 7 V, this one is automatically switched on 0-10V conguration.
Cable length y 30 m with shielded twisted cable (sensor not isolated)
Outputs
Digital / PWM solid state output - 2 solid state outputs from O1 to O2
Output used as digital output
Breaking voltage
10  28.8 VDC
Nominal voltage 12 / 24 VDC
Nominal current 0.5 A on resistive load @ 25°C (77°F)
Max. breaking current 0.625 A
Non repetitive overload current 1 A
Maximum breaking voltage in the common 1 A
Voltage drop < 1 V for I = 0.5 A
Response time Make = 1 cycle time + 30 µs typical
Release = 1 cycle time + 40 µs typical
Built-in protections Against overloads and short-circuits: Yes
Against over voltages (*): Yes
Against inversions of power supply: Yes
(*) In the absence of a potential free contact between the output of the programmable
logic controller and the load
Min. load 1 mA
Galvanic isolation No
Cable length y 10 m
Truth table of the default Command Output Fault
Normal condition 0 0 No
1 1 No
Overheating 0 0 No
1 0 Yes
Underpowered 0 0 X
1 0 X
Short circuit (current limit) 0 0 No
1 0 Yes
Output used as PWM output
PWM frequency 14.11 Hz ; 56.45 Hz ; 112.90 Hz ; 225.80 Hz ; 451.59 Hz ; 1758.24 Hz
PWM cyclic ratio
0  100 % 100 steps
PWM Max. error
y 2 % (from 10 %  90 %)
Status indicator On LCD screen
Cable length y 10 m with shielded twisted cable
Distance between the power source and the static outputs y 30 m