Siemens SIMATIC S7-400H - Page 390

Technical data
20.1 Technical specification of the CPU 412–5H PN/DP; (6ES7 412-5HK06–0AB0)
S7-400H
390 System Manual, 03/2012, A5E00267695-11
2nd interface
Interface designation X2
Type of interface integrated
Physics RS 485/Profibus
Electrically isolated Yes
Power supply to interface (15 V DC to 30 V DC) Max. 150 mA
Number of connection resources 16
Functionality
 PROFIBUS DP
DP master
2nd interface in DP master mode
Utilities
 PG/OP communication
Yes
 Routing
Yes
 S7 communication
Yes
 Global data communication
No
 S7 basic communication
No
 Constant bus cycle time
No
 SYNC/FREEZE
No
 Enable/disable DP slaves
No
 Direct data exchange (cross-traffic)
No
 Transmission rates
Up to 12 Mbps
 Number of DP slaves
Maximum 64
 Number of slots per interface
Maximum 1088
 Address range
Maximum 4 KB inputs/ 4 KB outputs
 User data per DP slave
Maximum 244 bytes
Maximum 244 bytes inputs,
Maximum 244 bytes outputs,
Maximum 244 slots
Maximum 128 bytes per slot
Note:
 The total of input bytes across all slots may not exceed 244.
 The total of output bytes across all slots may not exceed 244.
 The address range of the interface (maximum 4 KB inputs / 4 KB outputs) must not be exceeded
in total across all 96 slaves.