Article number 6ES7655-5PX31-1XX0
● unshielded, max.
600 m
Encoder
Connectable encoders
● 2-wire sensor
Yes
– permissible quiescent current (2-wire
sensor), max.
1.5 mA
Interfaces
Number of PROFINET interfaces 1
Number of PROFIBUS interfaces 0
1. Interface
Interface type PROFINET
Isolated Yes
Interface types
● Number of ports
2
● integrated switch
Yes
● BusAdapter (PROFINET)
Yes
Protocols
● PROFINET IO Device
Yes
● PROFIBUS DP slave
No
Interface types
RJ 45 (Ethernet)
● 100 Mbps
Yes
● Autonegotiation
Yes
● Autocrossing
Yes
Protocols
Supports protocol for PROFINET IO Yes
Redundancy mode
● MRP
Yes
● PROFINET system redundancy (S2)
Yes; Type S2
Open IE communication
● LLDP
Yes
Isochronous mode
Isochronous operation (application synchron‐
ized up to terminal)
No
Interrupts/diagnostics/status information
Status indicator Yes
Alarms Yes
Diagnostics function Yes
Diagnostic messages
● Monitoring of encoder power supply
Yes
● Wire-break
Yes
● Short-circuit
Yes
Diagnostics indication LED
Technical specifications
12.4 Technical specifications of the Compact Field Unit DIQ
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD 177