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SPECIFICATIONS
6.3 Electrical Specifications
Table 6-3 lists the electrical specifications for the Remote I/O Rack.
Specification
IOBUS
Architecture
Rack Address
Slot Address
Recirculation Fans
APACS+ or
QUADLOG I/O
Module Input Power
6-2
Table 6-3 Remote I/O Rack Electrical Specifications
Parameter
Physical Structure
IOBUS Length, Node-to-Node
Redundant APACS+ or
QUADLOG System
IOBUS Length, Non-
Redundant APACS+ System
Data Transmission Rate
Media Specification
Media Access
IOBUS Capacity
Address Number
Slot Range
Air Displacement
Input Voltage
Backplane Power Bus A
Backplane Power Bus B
Backplane Power Bus C
Value
Redundant A and B Buses
1500 ft. (460 m) maximum
(Extendable with fiberoptics)
1500 ft. (460 m) maximum
(Extendable with fiberoptics)
1 Mbps
IEEE RS-485
Master to Slave
1 control module plus up to 39 I/O modules
1 to 16; Set by Thumbwheel Switch (SW1)
1-4 standalone or 7-10 extension rack, Set by
Slot Address Switch (SW2)
25 to 40 cfm
24 Vdc
±10%
24 Vdc
±10%
24 Vdc
±10%
24 Vdc
SD39RIO-1
January 2001
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