turck BL20 Series - 10.5 Analog output module, 2 AO, current, HART

303
2020/09
10.5 Analog output module, 2 AO, current, HART
This analog input module provides 2 current HART-outputs.
The two channels of the module are galvanically isolated. Additionally, the modules provides gal-
vanic isolation between field level and module bus connection.
NOTE
For PROFIBUS:
The BL20-2AOH-I can only be used with the BL20-DPV1-gateways (BL20-GW-DPV1, BL20-E-
GW-DP)!
Fig. 221: BL20-2AOH-I
Fig. 222: Block Diagram
logic
24 module supplyV DC 5 module busV DC
DAC
24
13/23
21
12/21
24 V DC
field
14 11
DC
DC
DC
DC
HART
modem
®
internal GND
internal GND
DAC
HART
®
modem