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Function Modules
9.13 CP 521 BASIC Communications Module
Technical Specification
Address ID for ET 200U
DP Siemens
DP Standard
Galvanic isolation
Memory submodule
Serial interface
Transmission mode
Transmission mode
9-66
BASIC
Interpreter
Permissible cable length
V.24
TTY (PT 88)
223
4AX or 243
TTY signals are isola-
ted
EPROM / EEPROM /
RAM
V.24 / TTY passive
LED displays
(active)
TxD (green)
asynchronous
RxD (green)
7–bit mode =
RTS (green)
10–bit character frame
BATT (yellow)
11–bit character frame
Back–up battery
110 to 9600 Bd
Lithium
Back–up time
Current consumption from
+9 V (CPU)
Power loss of module
Weight
(6ES5 521–8MB11)
+
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)
Transmitting
Receiving
Ready to send
Battery failure
1
/
AA
3.4 V / 850 mAh
2
1 year, minimum
typ. 180 mA
typ. 1.6 W
approx. 500 g (1.1 lb)
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
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