ABB EBN861 Operating Instruction page 28

28 EBN853 / EBN861 ELECTRONIC UNIT | OI/EBN853/EBN861/EX-EN REV. C
... 7 Electrical connections
... Electrical data for inputs and outputs
Binary inputs and outputs - communication
Conventional communication
Analog input
Analog output
3 digital inputs, 1 to 3
3 digital outputs, 1 to 3
Digital communication
Default settings
Voltage output U
V
Connection for transmitter (optional)
Individual settings
0 / 4 to 20 mA, internal load: 300 Ω
0 / 4 to 20 mA, electrically isolated, maximum load: 500 Ω
Digital 0: −3 to 5 V or open, electrically isolated
Digital 1: 12 to 35 V, electrically isolated
Potential-free relay contact, max. 60 V, 150 mA
RS232 for commissioning and service, optionally FSK / HART®
Conventional communication on page 13
24 V, 15 mA, electrically isolated, for scanning external contacts, or similar applications
Supply for two-wire transmitter with activated process controller in Contrac
See data sheet 'DS/CONTRAC/SETTING' or available upon request.