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