Racal Instruments 2251A Overview
The Racal Instruments Universal Counter Timer Model 2251A is a microprocessor
controlled instrument offering high resolution measurement capabilities. The 2251A
is designed to be used under the direction of the Slot 0 System Resource Manager of
a VXIbus compatible mainframe. The 2251A conforms to VXIbus System
Specification Revision 1.4
The measurement capabilities of the 2251A may be extended to include frequency
measurements to 1.3 GHz with Option 41.
The 2251A is designed to be controlled remotely over the VXIbus. No local control
of the counter is possible. The command set the counter responds to is defined by
Racal Instruments.
Features:
controlled instrument offering high resolution measurement capabilities. The 2251A
is designed to be used under the direction of the Slot 0 System Resource Manager of
a VXIbus compatible mainframe. The 2251A conforms to VXIbus System
Specification Revision 1.4
The measurement capabilities of the 2251A may be extended to include frequency
measurements to 1.3 GHz with Option 41.
The 2251A is designed to be controlled remotely over the VXIbus. No local control
of the counter is possible. The command set the counter responds to is defined by
Racal Instruments.
Features:
- Single-Slot, C-Size, VXI Module
- Precision Timer Counter
- Extensive Arming/Triggering Control