Siemens S7-1200 - Page 932

Technical specifications
A.10 Technology modules
S7-1200 Programmable controller
932 System Manual, 03/2014, A5E02486680-AG
Technical data
SM 1278 4xIO-Link Master signal module
IO-Link
Number of ports
4
Number of ports which can be controlled at the same
time
4
IO-Link protocol 1.0
Yes
IO-Link protocol 1.1
Yes
Operating mode
IO-Link
Yes
DI
Yes
DQ
Yes; max. 100 mA
Connection of IO-Link devices
Port type A
Yes
Transmission rate
4.8 kBd (COM1)
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
Permitted potential difference