Siemens SIMATIC S7-200 System Manual page 453

Table A-2 Specifications for CPU 221 DC/DC/DC and CPU 221 AC/DC/Relay (continued)
Description
Order Number
Isolation
Optical isolation (galvanic)
Isolation resistance
Isolation coil to contact
Isolation between open contacts
In groups of
Inductive Load Clamping
Repetitive Energy dissipation <
2
0.5 LI x switching rate
Clamp voltage limits
Output Delay
Off to On (Q0.0 and Q0.1)
On to Off (Q0.0 and Q0.1)
Off to On (Q0.2 and Q0.3)
On to Off (Q0.2 and Q0.3)
Switching Frequency (Pulse Train Outputs)
Q0.0 and Q0.1
Relay
Switching delay
Lifetime mechanical (no load)
Lifetime contacts at rated Load
Cable Length
Unshielded
Shielded
S7-200 Programmable Controller System Manual
A5E00066097-02
CPU 221 DC/DC/DC
6ES7 211-0AA21-0XBO
500 VAC for 1 minute
-
-
-
4 points
1 W, all channels
L+ minus 48 V
µ
2 s, maximum
µ
10 s, maximum
µ
15 s, maximum
µ
100 s, maximum
20 kHz, maximum
-
-
-
150 m
500 m
S7-200 Specifications
CPU 221 AC/DC/Relay
6ES7 211-0BA21-0XB0
-
100 M Ω, minimum when new
1500 VAC for 1 minute
750 VAC for 1 minute
3 points and 1 point
-
-
-
-
-
-
1 Hz, maximum
10 ms, maximum
10,000,000 open/close cycles
100,000 open/close cycles
150 m
500 m
A-9