Display Elements; Schematic Diagram - WAGO 750-651 Manual

2.1.1.4 Display Elements

Fig. 2.1.1-2: Display
Elements

2.1.1.5 Schematic Diagram

TxD
RxD
Fig. 2.1.1-3: Schematic Diagram
WAGO-I/O-SYSTEM 750
Busklemmen
750-651 (/xxx-xxx) [TTY-Interface 20mA Current Loop] • 13
LED
A
B
g065002x
D
___
1 5
TxD
2 6
3 7
___
4 8
RxD
750-651
Channel State Function
Function off No operational readiness or the
internal data bus communication is
interrupted
green Operational readiness and trouble-
free internal data bus
communication
TxD off Loop current ≤ 2 mA( SPACE)
green Loop current ≥ 12 mA (MARK)
RxD off Loop current ≤ 2 mA( SPACE)
green Loop current ≥ 12 mA (MARK)
TTY
RxD
___
RxD
TxD
___
TxD
Display Elements
Logic
Function
RxD TxD
g065101e