Siemens SIMATIC S7-400 Manual page 171

User data per clock synchronous slave
Maximum number of bytes and slaves in a
process image partition
Constant bus cycle time
Shortest clock pulse
Longest clock pulse
see
Mounting dimensions WxHxD (mm)
Slots required
Weight
Current consumption from the S7-400 bus (5
VDC)
Current consumption from S7-400 bus (24 V DC)
The CPU does not consume any current at 24 V,
it only makes this voltage available at the MPI/DP
interface.
Backup current
Maximum backup time
Incoming supply of external backup voltage to the
CPU
Power loss
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
10.1 Technical Specification of the CPU 414-3 PN/DP; (6ES7414-3EM05-0AB0)
Isochronous Mode
manual
CPU and firmware version
Isochronous mode
Max. 244 bytes
The following must apply:
Number of bytes/100 +
number of slaves < 26
Yes
1.0 ms
0.5 ms without use of SFC126, 127
32 ms
Dimensions
50x290x219
2
approx. 0.9 kg
Voltages, currents
Typical 1.2 A
maximum 1.4 A
Total current consumption of the components
connected to the MPI/DP interfaces, with a
maximum of 150 mA per interface
Typical 125 µA
maximum 300 µA
Module Specifications
See
Section 3.3.
5 to 15 V DC
Typical 5.5 W
Technical specifications
reference manual,
10-15