System Register Tables
I/O Register Map for X4 OCS
NOTE: These registers can be used as general purpose registers
Fixed
Address
Digital/Analog
I/O Function
X4 Models
R A
%I
Digital Inputs 1-12 1-12
Reserved 13-32 13-32
%Q
Digital Outputs 1-2 1-12
Relay Outputs 3-8 --
Reserved 9-16 13-16
%AI
Analog Inputs 1-4 1-4
Reserved 5-12 5-12
%AQ
Analog Outputs 1-2 1-2
Reserved 3-14 3-14
X4 Resource Limits
Resource Value
%I 1024
%Q 1024
%AI 256
%AQ 256
%M 1024
%T 1024
%R 5,000
%D 250
%K 4
%S 13
%SR 192
CsCAN 125kBd, 250kBd, 500kBd, or 1MBd
IDs Per CsCAN Network 64 w/o repeat (253 w/ 3 repeaters)
Keypad Slide Keys (Touch)
Display 4.3” Color Transmissive
Screen Memory 256kB
User Screens 250
No. of Objects per Page 30
Data Fields Per User Screen 50
Ladder Code 256kB
Ethernet
CsCAN, Ping, Modbus TCP Master (Downloadable protocol) & Slave,
Ethernet IP, FTP, or EGD (EGD does not support Multicast
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