Alarm
Applications/Failover Option
A-2
SIMATIC PCS 7 OSx 4.0.0 Hardware (PA RISC)
A.1 S7–200 CPU 212 Specifications and Pin-out Data
The
S7–200 CPU 212
provides
external warning and critical alarms for the
SIMA
TIC PCS 7 OSx system. The S7–200 is programmed at the factory for
this application. If replacement is required, order Alarm/Failover kit
6ES76550XX001BE1.
T
able
A-1
lists specific power requirements for the S7–200 CPU 212.
Table A-1 S7–200 CPU 212 Power Specifications
Parameters Range or Values (UL Class 2 or PELV)
Input Voltage (Input Specifications) 15–30 VDC (DC Input)
4 mA minimum
Input Current (Input Specifications)
ON State Nominal 24 VDC, 7 mA
OFF State Maximum 5 VDC, 1 mA
Voltage Range (Output Specifications, Voltage) 5–30 VDC
250 V
AC
Maximum Load Current 2 A / Point
Power Supply Voltage (Frequency)
85 to 264 VAC at 47 to 63 Hz
OSx
uses two input channels of the S7–200 for failover detection purposes.
OSx uses three output channels of the S7–200 for external alarm
annunciation and failover detection. Each output channel has normally
open and normally closed contacts.
NOTE:
Reserve serial port 1 on the PCS7 OSx station for the S7–200
connection.
Input Channels
Output Channels