140 CPU 671 60S Specifications
Original instructions
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Module Specifications
Component
Description
Communication ports
1 Modbus (RS-232/RS-485)
1 Modbus Plus (RS-485)
1 USB
1 Ethernet (used as a Hot Standby port)
Transmission Mode
Multi mode
Bus current required
2.5 A
Maximum number of NOE 771 11 modules supported
6
Key switch
Yes
Key pad
Yes
Processor
Feature
Description
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
Max. HSBY Unlocated Data
385 kByte
Max. HSBY Located Data
128 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.
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
Battery type
3 V Lithium
Service life
1.2 Ah
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 s/day @ 0...60 °C
Diagnostic
Power-up
RAM
RAM address
Executive Checksum
User Logic Check
Processor
Run Time
RAM
RAM address
Executive Checksum
User Logic Check