EXFO FTB-1v2 Pro User Manual

Using Your Unit and Modules in an Automated Test Environment
256 FTB-1v2 and FTB-1v2 Pro
Standard Status Data Structure
Standard Status Data Structure
Each device that is physically connected to the remote bus has four status
registers with a structure complying with the IEEE 488.2 standard. These
registers allow the controller to monitor events and get useful information
on the status of the devices it controls.
 Standard Event Status Register (ESR)
 Standard Event Status Enable Register (ESE)
 Status Byte Register (STB)
 Service Request Enable Register (SRE)
ESR and ESE
The standard event status register and status enable register information is
presented in the following table.
Bits Mnemonics Bit Value
7 Power On (PON) 128
6User Request (URQ) 64
5 Command Error (CME) 32
4 Execution Error (EXE) 16
3 Device-Dependent Error (DDE) 8
2 Query Error (QYE) 4
1 Not Used (N.U.) 0
0 Operation Complete (OPC) 1

EXFO FTB-1v2 Pro Specifications

General

Brand	EXFO
Model	FTB-1v2 Pro
Category	Measuring Instruments
Language	English