140 CPU 651 60S Specifications
Original instructions
About us
General Specifications
Communication ports
1 Modbus (RS-232/RS-485)
1 Modbus Plus (RS-485)
1 USB
1 Ethernet
Bus current required
2760 mA
Max. number of NOE 771 11 modules supported
6
Key switch
Yes
Key pad
Yes
Processor
Model
Pentium
Clock speed
266 MHz
Coprocessor
Yes, built-in Ethernet
Watchdog timer
250 ms software adjustable
Memory
Internal user memory
1024 kByte
Additional memory (with PCMCIA card)
7168 kByte
NOTE: Not all of the Internal memory is available for the user program due to memory overhead, such as user, system, configuration, diagnostic data, etc. For more information see Memory usage.
Reference Capacity
Discretes
65528 kByte max.
Registers
64976 kByte max.
Local I/O
Max. I/O words
1024 bits/module with no limit on total LIO words
S908 Remote I/O
Max. I/O words/drop
64 in / 64 out*
Max. number of remote drops
31 
*
This information can be a mix of discrete or register I/O. For each word of configured I/O, one of the I/O words must be subtracted from the total available.
Ethernet Remote I/O
Not supported
Battery and Clock
Type
3 V lithium
Service life
1200 mAh
Shelf life
10 years with 0.5% loss of capacity/year
Battery load current @ power-off
typical: 14 μA @ 25 °C (ambient temperature)
maximum: 420 μA @ 60 °C
TOD clock
+/-8.0 seconds/day @ 0...60 °C
Diagnostics
Power-up & Run Time
RAM
RAM address
Executive CRC
User Logic Check
Processors
Clock