EC402 ESB Bus Coupler Module
5 Standard type with no explosion protection
E Standard type with explosion protection
0 Basic type
1 With ISA Standard G3 option
Operating Voltage:24 V DC
Operating Temperature:-40°C to +85°C (-40°F to +185°F)
Humidity:5–95% RH (non-condensing)
Interface:RS-422/RS-485
Communication function:Half-duplex
Transmission code :ASCII/binary
Character length:7/8 bits
Stop bit length:1/2 bits
Lag time after data transmission:1 ms
Transmission distance:Maximum 1200 m
Number of outputs 16-channel, module isolation
Output voltage 24 V DC
Output voltage drop 1 V maximum
External power supply rating 24 V DC, 3.4 A minimum
Maximum leak current at output off status 1.6 mA
Output format Current source
Minimum load current 35 mA
Load resistance range 120 to 685 Ω
Output response time 30 ms maximum
Number of input channels 16 channels, module isolation
Rated input range 4 to 20 mA
Permissible input range 0 to 25 mA
Input impedance during Power-OFF 500 kΩ minimum
Data update frequency 40 ms
Temperature drift ±16 µA/10 °C
Interface:RS-422/RS-485
Communication function: Half-duplex
Synchronization method:Start-stop synchronization
Transmission code:binary
Character length:8 bits
Stop bit length:1/2 bits
Transmission distance:Maximum 15 m
Current consumption:0.5 A