Hardware reference guide

CPU Modules
116
35013379 11/2011
Local I/O (Main Backplane)
Maximum I/O Words 64 In and 64 Out*
Maximum Number of I/O Racks 2 (Requires expander)
Remote I/O
Maximum I/O Words per Drop 64 In / 64 Out*
Maximum Number of Remote Drops 31
Distributed I/O
Maximum Number of Networks per System 3**
Maximum Words per Network (For every DIO
drop, there is a minimum of two words input of
overhead.)
500 In and 500 Out
Maximum Words per Node 30 In and 32 Out
Watchdog Timer 250 ms (S/W adjustable)
Logic Solve Time 0.3 ms / k to 1.4 ms / k
Battery 3 V Lithium
Service Life 1200 mAh
Shelf Life 10 years with 0.5% loss of capacity per year
Battery Load Current @ Power-off
Typical 5 μA
Maximum 110 μA
Communication
Modbus (RS-232) 1 serial port (9-pin D-shelf)
Modbus Plus (RS-485) 1 network port (9-pin D-shell)
General
Diagnostics Power Up Runtime
RAM RAM
RAM Address RAM Address
Executive Checksum Executive
Checksum
User Logic Check User Logic Check
Processor
Specifications