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(8.5x11) 6000 Manual Cover - Newport Corporation

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*SRE<br />

Service Request Enable<br />

Syntax: *SRE <br />

Parameters:<br />

is an integer in the range 0 to 255 inclusive. The value of this number<br />

is written into the Service Request Enable register.<br />

Function:<br />

The Service Request Enabled Register is used in conjunction with the Status<br />

Byte to generate service requests on the GPIB bus. See Appendix C for a<br />

detailed description of the Event Status Register.<br />

If a bit is set in the Service Request Enable register and it’s corresponding bit<br />

is set in the Status Byte Register, then a service request will be generated<br />

once for the for the given event. When service is being requested, bit 6 is set<br />

in the byte returned by a serial poll of the 2832-C.<br />

The Service Request Enable Register is an 8-bit, bit mapped register, with<br />

each bit signifying a different condition. The bits are listed below, most<br />

significant bit first:<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

New Data Available CH A<br />

New Valid Data Available CH A<br />

New Data Available CH B<br />

New Valid Data Available CH B<br />

Message Available Mask<br />

Event Status Byte Mask<br />

Always Zero<br />

Error Queue Mask<br />

Related Commands: *SRE?, *STB?<br />

*SRE?<br />

Service Request Enable Query<br />

Syntax: *SRE?<br />

Parameters: None<br />

Function:<br />

Service Request Enable Register<br />

This query returns the contents of the Service Request Enable register. See<br />

the *SRE command for a description of the Service Request Enabled register.<br />

See Appendix C for a detailed description of the Event Status Register.<br />

Returns: <br />

is an integer in the range 0 to 255 inclusive, except that bit 6 is always<br />

a zero.<br />

Related Commands: *SRE, *STB?<br />

45

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