9-68
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
9.14 CP 521 SI Communications Processor
(6ES5 521–8MA21)
pr93a010
Technical Specifications
Address ID for ET 200U
DP Siemens
DP Standard
223
4AX or 243
Galvanic isolation
TTY signals are isola-
ted
Memory submodule
EPROM / EEPROM
Serial interface
V.24 / TTY passive
(active)
Transmission
asynchronous
7–bit frame
10–bit character frame/
11–bit character frame
Transmission rate
110 to 9600 baud
Permissible cable length
V.24
TTY
15 m
Results from:
(Voltage drop on ca-
ble) +
(Receiver–typ. vol-
tage drop 1.5 V) or
(transmitter–typ.
voltage drop 0.9 V)
(max. 1000 m)
LED displays
TxD (green)
RxD (green)
RTS (green)
BATT (yellow)
Transmitting
Receiving
Ready to send
Battery failure
Back–up battery
Lithium
1
/
2
AA
3.6 V / 850 mAh
Current consumption from
+9 V
typ. 140 mA
Power loss of module
typ. 1.2 W
Weight
approx. 500 g (1.1 lb)
Function Modules