| mode of transmission | Multi mode |
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| clock frequency | 266 MHz |
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| number of slots | 16
10
4
2
6 |
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| number of racks | 2 - local rack(s) |
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| number of distributed I/O station | 63 station(s) - 1 rack(s) - 3 Modbus Plus network(s) |
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| number of remote I/O station | 31 - 2 rack(s) per S908 remote I/O
31 - 2 rack(s) per ethernet Quantum remote I/O
16 - 2 rack(s) per ethernet X80 remote I/O |
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| discrete I/O number | 31744 inputs, 31744 outputs - remote
8000 inputs, 8000 outputs - distributed - per network Modbus Plus
Unlimited (31 drops of 28 slots max) - ethernet remote I/O
0 - local - forbidden in Hot Standby application |
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| analogue I/O number | 500 inputs, 500 outputs - distributed - per network Modbus Plus
Unlimited (31 drops of 28 slots max) - ethernet remote I/O
1984 inputs,1984 outputs - remote
0 - local - forbidden in Hot Standby application |
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| application specific I/O | Counter
High-speed interrupt inputs
Accurate time stamping
Serial link |
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| communication service | Ethernet router |
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| number of optional modules | 6 (Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max) |
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| maximum number of connections | 1 USB
2 AS-Interface - distributed
4 AS-Interface - remote
6 Ethernet TCP/IP - local
6 Modbus Plus - local
6 Profibus DP - local
1 Modbus (RS232/485 Modbus/ASCII) |
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| integrated connection type | 1 Modbus Plus with
1 Modbus with
1 USB with
1 optic fibre with Hot Standby |
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| checks | Hot standby
Process control |
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| memory description | Expandable 7168 kB - program with PCMCIA card
Expandable 8 MB - file storage with PCMCIA card
Internal RAM 1024 kB - 512 kB for data |
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| switch function | Key switch memory port on/off |
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| application structure | 1 periodic fast task - forbidden in Hot Standby application
128 I/O interrupt tasks - forbidden in Hot Standby application
128 interrupt tasks - forbidden in Hot Standby application
32 timer interrupt tasks - forbidden in Hot Standby application
4 auxiliary tasks - forbidden in Hot Standby application
1 cyclic/periodic master task - |
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| number of instructions per ms | 10.28 Kinst/ms 100 % Boolean
10.07 Kinst/ms 65 % Boolean and 35 % numerical |
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| system overhead | 0.2 ms for fast task
1 ms for master task |
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| bus current requirement | 2500 mA |
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| local signalling | 1 LED (green) for Ethernet activity (COM)
1 LED (red) for Ethernet collision |
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| electrical connection | 1 female connector, connector type: SUB-D 9 for connecting to the Modbus Plus network
1 connector, connector type: RJ45 for connecting Modbus bus
1 connector, connector type: MT-RJ (multimode fiber optic) for interconnecting primary and secondary PLCs up to 4 km |
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