Siemens SIMATIC S7-1200 - Page 1486

Technical specifications
A.12 Technology modules
S7-1200 Programmable controller
1486 System Manual, V4.2, 09/2016, A5E02486680-AK
Technical data
SM 1278 4xIO-Link Master signal module
38.4 kBd (COM2)
230.4 kBd (COM3)
Cycle time, min.
2 ms, dynamic, dependent on the user data length
Size of process data, input per port 32 bytes; max.
Size of process data, input per module
32 bytes
Size of process data, output per port
32 bytes; max.
Size of process data, output per module
32 bytes
Memory size for device parameters
2 Kbytes
Cable length unshielded, max. (meters)
20 m
Interrupts/diagnostics/status information
Status display
Yes
Interrupts
Diagnostic interrupt
Yes; port diagnostics is only available in IO-Link mode
Diagnostic alarms
Diagnostics
Monitoring of supply voltage
Yes
Short circuit
Yes
Diagostic indicator LED
Monitoring of supply voltage
Yes; flashing red DIAG LED
Channel status display Yes; per channel one green LED for channel status Qn
(SIO mode) and PORT status Cn (IO-Link mode)
For channel diagnostics
Yes; red Fn LED
For module diagnostics
Yes; green/red DIAG LED
Electrical isolation
Electrical isolation channels
Between the channels No
Between the channels and the backplane bus
Yes
Insulation
Insulation tested with
707 V DC (type test)
Ambient conditions
Operating temperature
Min.
-20 °C
Max.
60 °C
Horizontal installation, min.
-20 °C
Horizontal installation, max.
60 °C
Vertical installation, min.
-20 °C
Vertical installation, max.
50 °C