Hardware reference guide

CPU Modules
162
35013379 02 October 2007
Specifications The following table shows the specifications for the CPU43412 CONTROLLER
module.
Specifications
User Logic/Reference Capacity 984
Ladder
Logic
Discrete Register Extended
Register
64 k words 64 k 57 k 96 k
57,766 4XX registers max
Only if:
0XXX = 16
1XXX = 16 and
3XXX = 16
Reference Capacity
Discrete 64 k - any mix
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 and 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 words input of overhead.)
500 In and 500 Out
Maximum Words per Node 30 In and 32 Out
Maximum Number of Option Module
Interfaces
Supports up to six network modules (i.e., Modbus
Plus, Ethernet and Multi-Axis Motion option modules)
using the option module interface technique (see
Quantum Network Interface Techniques, p. 47).
Note: Only two Modbus Plus modules can have full
functionality, including Quantum DIO support.
Watchdog Timer 250 ms (S/W adjustable)
Logic Solve Time 0.1 ms / k to 0.5 ms / k
Battery 3 V Lithium
Service Life 1200 mAh
Shelf Life 10 years with 0.5% loss of capacity per year
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com