Hardware reference guide

DIO
35013379 11/2011 233
Wiring Diagram
The following figure shows the wiring diagram for the 140CRA21110 and 21210
wiring diagram.
NOTE: See Power and Grounding Considerations for AC and DC Powered
Systems, page 731 for power and grounding wiring guidelines and operational
information.
Output to Bus
Voltage 5.1 Vdc
Current 3 A
Minimum Load 0 A
Protection Over Current, Over Voltage
Communication
Modbus Plus 1 port (single cable). 2 ports (dual cable)
General
Specifications I/O Type Quantum
Modules/Drop Depends on bus current loading and
word count
Words 30 In / 32 Out. (Two additional input
words are reserved for drop status)
Diagnostics Power Up Runtime
RAM Data/Address
Executive Checksum
Field Wiring Connector 7 point terminal strip (Part #043503328)
Internal Power Dissipation 2.0 V + 3.0 V x I
BUS
= Watts (where I
BUS
is in Amperes)
Specifications