VXI VT1538A user manual About this Manual, Agilent E1538A Enhanced Frequency/Totalize/PWM SCP

Agilent E1538A Enhanced Frequency/Totalize/PWM SCP

About this Manual

This manual describes how to configure the Signal Conditioning Plug-on (SCP) using SCPI commands and explains the capabilities of this SCP. The contents of this manual are:

•	Introduction	. page 4
•	Identifying the Plug-on (IMPORTANT)	. page 5
•	Setting Configuration Switches	. page 6
•	Installation	. page 7
•	Connecting To The Terminal Module	. page 7
•	Recommended Signal Connections	. page 8
•	Input and Output Characteristics	. page 9
•	Programming With SCPI Commands	page 11
•	--Configuring I/O Direction	page 12
	Programming Input Channels	page 12
	--Setting the Input Threshold Level	page 12
	--Set Input Logic Sense	page 13
	--Reading Static Digital State	page 14
	--Totalize Positive or Negative Edge State Changes . . . .	page 15
	--About Period and Frequency Measurements	page 16
	--Measure Frequency	page 17
	--Measure Period	page 18
	--Measure Pulse Width	page 20
	--Sense Quadrature Position	page 21
•	--Sense Rotational Velocity	page 22
	Programming Output Channels	page 24
	--Controlling Output Polarity	page 24
	--Output Static Digital State	page 24
	--Variable Width Pulse Per Trigger	page 25
	--Variable Width Pulse Train (PWM)	page 26
	--Variable Frequency Fixed Width Pulse Train (FM) . . .	page 27
	--Variable Frequency Square-Wave Pulse Train (FM) . .	page 28
	--Rotationally Positioned Pulse Output	page 29
	--Rotational Pulse Command Usage	page 30
•	--Stepper Motor Control	page 37
	*RST and *TST (important!)	page 41
•	SCPI Command Reference	page 42
•	Specifications	page 77

Agilent E1538A Enhanced Frequency/Totalize/PWM SCP 3