Number of racks 2 – local rack(s)
Number of distributed I/O station 63 station(s) – 1 rack(s) – 3 distributed network(s)
Number of remote I/O station 31 – 2 remote rack(s)
Discrete I/O number 8000 inputs, 8000 outputs – distributed – per network
31744 inputs, 31744 outputs – remote
Unlimited (26 slots max) – local – forbidden in Hot Standby application
Analogue I/O number Unlimited (26 slots max) – local – forbidden in Hot Standby application
500 inputs, 500 outputs – distributed – per network
1984 inputs, 1984 outputs – remote
Application specific I/O Accurate time stamping
Counter
High-speed interrupt inputs
Serial link
Number of optional modules 6 (Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max)
Maximum number of connections Unlimited (AS-Interface) – local
6 (Profibus DP) – local
6 (Modbus Plus) – local
6 (Ethernet TCP/IP) – local
4 (AS-Interface) – remote
2 (AS-Interface) – distributed
1 (USB)
1 (Modbus) – RS232/485 Modbus/ASCII
Integrated connection type 1 Ethernet TCP/IP
1 Modbus
1 Modbus Plus
1 USB
Checks Hot standby
Process control
Memory description Internal RAM 1024 kB – 512 kB for data
Expandable 8 MB – file storage with PCMCIA card
Expandable 7168 kB – program with PCMCIA card
Switch function Key switch memory port on/off
Application structure 4 auxiliary tasks – forbidden in Hot Standby application
32 timer interrupt tasks – forbidden in Hot Standby application
128 interrupt tasks – forbidden in Hot Standby application
128 I/O interrupt tasks – forbidden in Hot Standby application
1 periodic fast task – forbidden in Hot Standby application
1 cyclic/periodic master task
Execution time per instruction 0.4…0.5 µs floating points
0.0525…0.075 µs Boolean
0.045…0.06 µs on word
0.045…0.06 µs on fixed-point arithmetic
Execution time for 1 K instruction 10.28 100 % Boolean
10.07 65 % Boolean and 35 % numerical
System overhead 1 ms – master task
0.2 ms – fast task
Bus current requirement 2500 mA
Local signalling 1 LED red for Ethernet collision
1 LED green for Ethernet activity (COM)