Communications Module Cp 521 Basic - Siemens SIMATIC S5-100U System Manual

S5-100U
15.13.2

Communications Module CP 521 BASIC

RUN
PROG
Battery
RXD
3,4V
TXD
850mAh
RTS
BATT
6
CP-521 BASIC
SERIAL INTERFACE
6ES5 521-8MB12
1 2 3 4 5 6
BASIC
+
Interpreter
V.24
TTY
1 3 5
2 4
EWA 4NEB 812 6120-02b
+9 V
GND
Data
module
7 9
6 8 10
(6ES5 521-8MB12)
Technical Specifications
Galvanic isolation
Memory submodule
Serial interface
Real-time clock
- accuracy
- variation due to
temperature change t
V
(ambient temperature T in °C)
A
Quartz frequency
Transmission mode
Baud rate
LEDs
- TXD
- RXD
- RTS
- BATT (yellow)
Permiss. length of cable
- TTY dependent on:
voltage drop on the +line
- typical for receiver
- typical for sender
- V.24
Back-up battery
lithium AA
Life expectancy
Degree of protection
Permiss. ambient
temperature
- horizontal arrangement
- vertical arrangement
Relative humidity
Current consumption
from+9 V (CPU) typ.
Power loss of the
module typ.
Weight approx.
Note:
It is only possible to run the CP 521 with the interrupt
processing if the interrupts are disabled at the end of
the OB1 cycle and enabled again at the beginning of
the OB1 cycle.
Function Modules
TTY signals are
isolated
EPROM/EEPROM/
RAM
V.24
(RS-232-C)/TTY,
passive
±1 s/day at 25 °C
(77 °F)
-10 to +70 °C
1 s to -11 s
according to data
sheet
14.7456 MHz
asynchronous
10-bit character
frame/11-bit character
frame
110 to 9600 Bd
send data
receive data
ready to send
battery low
1.5 V+
0.9 V
15 m (50 ft.)
3.4 V/850 mAh
1 year minimum
IP20
0 to 60 °C
(32 to 140 °F)
0 to 40 °C
(32 to 104 °F)
15% to 95%
180 mA
1.6 W
500 g (1 lb. 1.5 oz.)
15-65