Siemens Simatic S7-1500 User Manual

Interrupts/diagnostics alarms
6.2 Interrupts and diagnostics
CPU 1512C-1 PN (6ES7512-1CK00-0AB0)
122 Manual, 09/2016, A5E35306440-AB
6.2
Interrupts and diagnostics
6.2.1
Interrupts and diagnostics of the CPU part
For information on the topic of "Interrupts", refer to the STEP 7 (TIA Portal) online help.
For information on "Diagnostics" and "System alarms", refer to the Diagnostics
(http://support.automation.siemens.com/WW/view/en/59192926
) function manual.
6.2.2
Interrupts and diagnostics of the analog on-board I/O
Diagnostics interrupt
The analog on-board I/O generates a diagnostics interrupt at the following events:
Table 6- 8 Diagnostics interrupt for inputs and outputs
Event
Diagnostics interrupt
Inputs
Outputs
Overflow
x
x
Underflow
x
x
Wire break x
1)
x
2)
Short-circuit to ground
---
x
3)
1)
Possible for the voltage measuring range (1 to 5 V), current measuring range (4 to 20 mA)
2)
Possible for current output type
3)
Possible for voltage output type

Siemens Simatic S7-1500 Specifications

General

Protection Class	IP20
Programming Language	LAD, FBD, STL, SCL, GRAPH
Communication Interfaces	PROFINET, PROFIBUS, Ethernet, OPC UA
Memory	Work memory and load memory (integrated or external memory card)
I/O Modules	Digital I/O, Analog I/O, Technology modules, Communication modules
Safety Integrated	Yes (with fail-safe CPUs and modules)
Redundancy	CPU redundancy possible with specific CPU types
Temperature Range	0°C to 60°C (horizontal installation)
Digital Inputs	Scalable through digital input modules
Digital Outputs	Scalable through digital output modules
Analog Inputs	Scalable through analog input modules
Analog Outputs	Scalable through analog output modules
Backplane	Integrated backplane for module connection
Real-time clock	Integrated real-time clock
CPU Type	Various models available (e.g., CPU 1511-1 PN, CPU 1513-1 PN, CPU 1515-2 PN, CPU 1517-3 PN, CPU 1518-4 PN/DP)