Datasheet
I
em4 I 02 I www.em4-remote-plc.com
Antenna: impedance 50 Ω
Antenna: input power > 2 W
Antenna: V.S.W.R < 2:1 recommended
< 3:1 acceptable
Antenna: return loss
S11 < - 10 dB recommended
S11 < - 6 dB acceptable
Antenna: connector RP SMA : SMA Female Reverse Polarity
General characteristics
Products certication (in accordance with IEC/EN 60529) CE, cULus Listed
Conformity with the low voltage directive
(in accordance with BT 2006/95/EC)
IEC/EN 61131-2 (Open equipment)
Conformity with the EMC directive
(in accordance with 2004/108/EC)
IEC/EN 61000-6-1 (Residential, commercial and light-industrial environments)
IEC/EN 61000-6-2 (Industrial)
IEC/EN 61000-6-3 (Residential, commercial and light-industrial environments)
IEC/EN 61000-6-4 (Industrial)
Earthing None
Overvoltage category 3 in accordance with IEC/EN 60664-1
Pollution Degree: 2 in accordance with IEC/EN 61131-2
Maximum utilization altitude Operation: 2000 m
Transport: 3000 m
Mechanical resistance Immunity to vibrations IEC/EN 60068-2-6, Fc test
Immunity to shock IEC/EN 60068-2-27, Ea test
Resistance to electrostatic discharge Immunity to ESD IEC/EN 61000-4-2, level 3
Resistance to HF interference
(Immunity)
Immunity to radiated electrostatic elds IEC/EN 61000-4-3, level 3
Immunity to fast transients (burst immunity) IEC/EN 61000-4-4, level 3
Immunity to shock waves IEC/EN 61000-4-5
Radio frequency in common mode IEC/EN 61000-4-6, level 3
Conducted and radiated emissions
(in accordance with EN 55022/11 group 1)
Class B
Operation temperature
-20°C (-4°F) +60°C (140°F) (+40°C (104°F) in a non-ventilated enclosure)
Storage temperature
-40°C (-40°F) +80°C (176°F)
Relative humidity 95% max. (no condensation or dripping water)
Screw terminals connection capacity Flexible wire with ferrule: 1 conductor: 0.2 to 2.5 mm² (AWG 24-14)
Flexible wire with ferrule: 2 conductors: 0.2 to 0.75 mm² (AWG 24-18)
Rigid wire: 1 conductor: 0.2 to 2.5 mm² (AWG 24-14)
Rigid wire: 2 conductors: 0.2 to 0.75 mm² (AWG 24-18)
Tightening torque: 0.5 N.m (4.5 lb-in) (tighten using screwdriver diam. 3.5 mm)
Stripping length: 6 mm
Processing characteristics
LCD display Display with 4 lines of 18 characters
Programming method FBD (Function Block Diagram), including SFC (Sequential Function Chart, Grafcet)
Program size Function blocks: typically 1000 blocks
Macro blocks: 64 max. (256 blocks per macro)
Program memory Flash
Removable memory N.A
Data memory 2 k octets
Backup time
(in the event of power failure)
Program and settings in the controller: 10 years
Data memory: 10 years
Data backup Data backup in the ash memory is guaranteed if the product is powered on more
than 10 seconds
Cycle time From 2 ms to 90 ms, default value: 10 ms
Clock data retention 10 years (lithium battery) at 25°C (77°F)
Clock drift Drift < 12 min/year (at 25°C (77°F))
6 s / month (at 25°C (77°F) with user-denable correction of drift).
Synchronizable by network
Timer block accuracy 0.5 % +/- 2 cycle time
Start up time on power up < 3 s base alone, < 1.5 s base + 2 expansions + accessory interface
(USB or Modbus RS485)
Self test Test rmware integrity (checksum memory)
Stability of the internal power supply
Check the conformity of the em4 device conguration with the conguration
in the application program.