Specifications
S7-200 Specifications
A-7
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
Table A-2 Specifications for CPU 221 DC/DC/DC and CPU 221 AC/DC/Relay
Description
Order Number
CPU 221 AC/DC/Relay
6ES7 211-0BA20-0XB0
CPU 221 DC/DC/DC
6ES7 211-0AA20-0XBO
On-board Communication
Number of ports
Electrical interface
Isolation (external signal to logic circuit)
PPI/MPI baud rates
Freeport baud rates
Maximum cable length per segment
up to 38.4 kbaud
187.5 kbaud
Maximum number of stations
Per segment
Per network
Maximum number of masters
PPI master mode (NETR/NETW)
MPI connections
1 port
RS-485
Not isolated
9.6, 19.2, and 187.5 kbaud
0.3, 0.6, 1.2, 2.4, 4.8, 9.6, 19.2, and
38.4 kbaud
1200 m
1000 m
32 stations
126 stations
32 masters
Ye s
4 total; 2 reserved: 1 for PG and 1 OP
1 port
RS-485
Not isolated
9.6, 19.2, and 187.5 kbaud
0.3, 0.6, 1.2, 2.4, 4.8, 9.6, 19.2, and
38.4 kbaud
1200 m
1000 m
32 stations
126 stations
32 masters
Ye s
4 total; 2 reserved: 1 for PG and 1 OP
Cartridge Options
Memory cartridge (permanent storage)
Battery cartridge (data retention time)
Clock cartridge (clock accuracy)
Program, data, and configuration
200 days, typical
2 minutes per month at 25° C
7 minutes per month 0° C to 55° C
Program, data, and configuration
200 days, typical
2 minutes per month at 25° C
7 minutes per month 0° C to 55° C
Power Supply
Line voltage-permissible range
Input current CPU only/max load
In rush current (max)
Isolation (input power to logic)
Hold up time (from loss of input power)
Internal fuse, not user-replaceable
20.4 to 28.8 VDC
70/600 mA at 24 VDC
10 A at 28.8 VDC
Not isolated
10 ms at 24 VDC
2 A, 250 V, Slow Blow
85 to 264 VAC
47 to 63 Hz
25/80 mA at 240 VAC
25/180 mA at 120 VAC
20 A at 264 VAC
1500 VAC
80 ms at 240 VAC, 20 ms at 120 VAC
2 A, 250 V, Slow Blow
24 VDC Sensor Power Output
Voltage range
Maximum current
Ripple noise
Current limit
Isolation (sensor power to logic circuit)
15.4 to 28.8 VDC
180 mA
Same as input line
600 mA
Not isolated
20.4 to 28.8 VDC
180 mA
Less than 1 V peak-to-peak (maximum)
600 mA
Not isolated