Cp 521 Si Communications Processor - Siemens SIMATIC S5-90U System Manual

S5-90U/S5-95U

16.13 CP 521 SI Communications Processor

Battery
TXD
3,4 V
RXD
850 mAh
RTS
BATT
6
CP 521 SI
SERIAL INTERFACE
6ES5 521-8MA22
1 2 3 4 5 6
V.24
TTY
1 3 5
2 4
EWA 4NEB 812 6115-02b
+9 V
GND
Data
module
7 9
6 8 10
(6ES5 521-8MA22)
Technical Specifications
Galvanic isolation
Memory submodule
Serial interface
Transmission
Transmission rate
Permissible cable length
- V.24
- TTY
LED displays
- TxD (green)
- RxD (green)
- RTS (green)
- BATT (yellow)
Back-up battery
Lithium 1/2 AA
Current consumption
from +9 V
Power loss of module
Weight
Function Modules
TTY signals are
isolated
EPROM/EEPROM
V.24/TTY passive
(active)
Asynchronous
10-bit character
frame/11-bit character
frame
110 to 9600 baud
15 m (49.2 ft.)
Results from:
(Voltage drop on
cable)+
(Receiver-typ. voltage
drop 1.5 V) or
(transmitter-typ. voltage
drop 0.9 V)
max. 1000 m (3281 ft.)
Transmitting
Receiving
Ready to send
Battery failure
3.6 V/850 mAh
typ. 140 mA
typ. 1.2 W
approx. 500 g (1.1 lb.)
16-63