3.4. CONNECTION TO CURRENT LOOP DEVICE
Current Loop line is connected to TX+, TX-, I1+, I1-, RX+, RX-, I2+, I2- terminals of converter as below.
3.4.1. CONNECTION TO DEVICE WITH PASSIVE TRANSMITTER & PASSIVE RECEIVER
Fig 8. Example connection of device with passive transmitter and passive receiver to ADA-4021
3.4.2. CONNECTION TO DEVICE WITH ACTIVE TRANSMITTER & ACTIVE RECEIVER
Fig 9. Example connection of device with active transmitter and active receiver to ADA-4021
7
ADA-4021
ADA-4021
V +
V -
Power
Tx+
Tx-
Rx+
Rx-
Current Loop
Device
I1 +
I1 -
I2 +
I2 -
Rx +
Current Loop
connector
Tx +
Tx -
Rx -
V -
V+
Tx- / B-
Rx-
RS485/RS422
connector
GND
Tx+ / A
Rx+
Active
Transmitter
Active
Receiver
Passive
Transmitter
Passive
Receiver
Current Loop
connector
ADA-4021
V +
V -
Power
V -
V +
Tx+
Tx-
Rx+
Rx-
Current Loop
Device
I1 +
I1 -
I2 +
I2 -
Rx +
Tx +
Tx -
Rx -
Tx- / B-
Rx-
GND
Tx+ / A
Rx+
RS485/RS422
connector
Current Loop
connector
Passive
Transmitter
Passive
Receiver
Active
Transmitter
Active
Receiver
Current Loop
connector
Summary of Contents for ADA-4021
Page 11: ...11 ADA 4021...
