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The Expansion Board increases the device connection capacity of the Open System Controller. All components hold industrial
environmental ratings. The board is firmware-free and adds user-configurable communications ports to the total I/O capacity of
the OSC board assembly. An OSC assembly may be either a standalone BaseBoard, or BaseBoard and from one to three add-on
Expansion Boards. The BaseBoard alone is configured to support 2 readers, while each Expansion Board is configured to support up to 4
extra readers with associated device connections to a controller.
Flexible Port Connection Capability
The usage of any individual port on the board is not fixed. Unused ports may be reassigned for other purposes through appropriate
software or data assignments. There are 4 Universal Data Ports, 16 Digital Outputs, 12 4-state Digital Inputs, and 4 Relay Outputs (NO/NC).
Universal Data Port Connections
There are 4 universal data and digital output connectors, each configurable to provide a serial RS232, RS485, Clock & Data, or
Wiegand electrical interface connection. RTS and CTS flow control signals are provided in the connector for use with the appropriate
interface. Four (4) digital outputs (5V, 20ma energized, 20 ma max path to ground de-energized) are also provided. State is shown by board-mounted LED's.
Digital Input/Relay Connectors
Digital input/relay output connectors provide two 4-state digital inputs and one relay output (NO/NC). Each digital input and relay
output state is shown by the board-mounted LEDs adjacent to its connection point on the connectors.
Auxiliary Input Connectors
For each universal dataport connector, an auxiliary input connector provides an additional 4-state digital input. State is sown by board-mounted LED's.
Address Configuration Ports
The Expansion Board has a rotary dial address configuration port. This port is used to provide the address of the expansion board relative to the controlling BaseBoard.
Additional Expansion Board Components
Other Expansion Board components include a power regulator for converting 12-volt DC to board-required voltage levels, a 60-pin
buss expansion connector for attaching Expansion Boards to the BaseBoard, a power supply connector, a reset button, and a fuse that protects the board from overcurrent. .
OSC EXPANSION BOARD COMPONENTS
General
- ICS Part Number: CEA012 (includes one (1) Expansion Board, one (1) Universal Chassis, & one (1) Expansion Board Pin Plug Connector Kit)
- Dimensions: 10.25"(H) X 10.25"(W)
- Weight: 10 ounces
- Operating Environment: 35 to 120 degrees Fahrenheit; 10%-90% RH, non-condensing
- Mounting Holes/Location: 4 holes total at 3/32"(D) spaced at 8.27"(H) X 9.750"(W)
Electrical
- Input Voltage: 12VDC - 13.5 VDC
- Power Consumption: 1.1Amps
- Overload Protection: Type 2AG - 3A fuse @ 250V
Connections
- Universal Data Ports: 4 - RS232/RS485/Weigand/Clock and Data user configurable
- Digital Inputs: 12 - 4 state
- Digital Output: 16 - provides 5VDC @ 20ma max. when energized; max 20ma.
- Relay Output: Contacts rated @ 250VAC/30VDC @ 2.5A
- Expansion Cable Connector: 60-pin Buss Expansion Connector
Status LED's
Power; Communications, Data, and Control Ports; Digital Outputs; Digital Inputs
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