VXI Technology, Inc.
78
VM1548C Command Dictionary
READ? ISENse
Purpose
Queries the drive disable/over-current status level of each group of six lines.
Type
Query
Command Syntax
N/A
Command Parameters
N/A
*RST Value
N/A
Query Syntax
READ? ISENse
Query Parameters
N/A
Query Response
0 to 255 decimal
Description
The Read ISense command queries and returns the drive disabled status on each group of
six lines. The 8-bit response signifies a high or low on each 6-line grouping. Each 6-line
grouping corresponds with one hardware driver chip. An over-current condition occurs
when the combined current through the six lines goes over 1.8 A. If over-current is
detected (a high) for moe than 80 ms, the drive is removed (or disabled) from all six lines
Each group of six lines is associated with one or two ports as follows:
0
DRIVERS
Over-Current
Sense Lines
6 ea. Bit
I/O Lines
8 ea. Port
1
2
3
4
5
6
7
PORT 0
BITS
PORT 1
PORT 2
PORT 3
PORT 4
PORT 5
Examples
Command / Query
Response (Description)
READ? ISEN
0
Related Commands
RESet:ISENse
*STB?
