Labsphere SC-5500 User Manual

SX-01635-000, Rev. 5 35
{
case 1:port_1_status=position;break;
case 2:port_2_status=position;break;
case 3:port_3_status=position;break;
case 4:port_4_status=position;break;
default:break;
}
}
void lamp_on(void)
{
port_3_status=port_3_status|0x01;//set bit 1 high, and leave the rest alone
set_port(3,port_3_status);
}
void lamp_off(void)
{
port_3_status=port_3_status&0xfe;//set bit 1 low, and leave the rest alone
set_port(3,port_3_status);
}
IEEE-488 Programming in QuickBasic
This programming example uses the IBIC command structure. When addressing the SC-5500
through the IEEE interface, common bus initializations, device clears and device finds are
required. Then, using the IBIC
command structure, My Talk Address and My Listen Address
must be set for the communications board and the SC-5500. Then, when addressing the SC-5500
to perform an instruction, an IBCMD (Interface Bus Command) statement can be sent out to set
up the nature of the communication occurring (i.e. SC-5500 as a TALKER and the interface
board as a LISTENER). Once the communication parameter has been established, string com-
mands can be sent to instruct the SC-5500 to perform the required actions.
If, during the process of sending commands to the SC-5500, a string or character is sent that the
SC-5500 does not recognize, an INVALID COMMAND ERROR status message will be dis-
played on the front panel of the SC-5500. The duration of the display will be as long as required
to clear the buffer of the characters. If there is a sufficient amount of unrecognizable characters
in the buffer, it may become necessary to power off the SC-5500 and then power it back on.
‘initialization
REM $INCLUDE: 'c:\at-gpib\qbasic\qbdecl.bas' ‘INCLUDE file that points the program to
‘the area where the IEEE-488 Quick Library
‘of commands
scread$ = "?_J " ‘Sets MyTalk address (MTA) to 10 and
‘MyListen address (MLA) to 0
scwrite$ = "?_*@" ‘Sets (MTA) to 0 and
‘(MLA) to 10
CALL IBFIND("DEVA", 10) ‘Find SC-5500 at address 10
CALL SendIFC(0) ‘Send InterFace Clear
CALL DevClear(0, 10) ‘Clear SC-5500 bus
CALL IBCMD(0, scwrite$) ‘Send MTA/MLA
CALL IBWRT(0, "P1C1K1H1L0X") ‘Set SC-5500 for 4 1/2 Digits, to Cal 0 and
‘Remote ON operation
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Labsphere SC-5500 Specifications

General

Brand	Labsphere
Model	SC-5500
Category	Measuring Instruments
Language	English

Summary

Installation and Assembly

Unpacking and Inspection

Line Voltage Input Module

Details the AC line voltage input module, fuse holder, and voltage cartridge configuration.

Rack Mounting

Electrical Cable Hookup

Guides on connecting power and peripheral component cables to the SC-5500.

System Description and Operation

Detector Input Configuration

Details the SC-5500 detector input channels and compatible detectors.

Computer Interface Options

Operating Procedures

User Interface

POWER Control

IEEE Address Configuration

ZERO and NORM Modes

AUTO Ranging Feature

Calibration Procedures

Details SC-5500 calibration for specific units and detector compatibility.

SC-5500 Programming

Programming Interfaces

Discusses controlling the SC-5500 via IEEE-488 or RS-232C interfaces.

SC-5500 Programming Commands

Explains the syntax and structure for sending commands to the SC-5500.

Automatic Ranging Commands

Calibration Commands

Manual Ranging Commands

IEEE-488 Programming

Guidance on programming the SC-5500 using the IEEE-488 interface.

RS-232C Programming

Guidance on controlling the SC-5500 using the RS-232C serial interface.

Maintenance

Voltage Configuration & Fuses

Explains checking voltage settings and fuse replacement for the AC line input module.

Changing Input Voltage Configuration

Step-by-step instructions for changing the SC-5500 voltage configuration.

Replacing Fuses

Details on replacing fuses in the voltage cartridge, including correct ratings.

Fuse Blows and Replacement

Appendix A Specifications

Current Input Characteristics

Voltage Input Characteristics

Appendix C Sample Programming

IEEE-488 Programming in C++

Provides C++ code examples for controlling the SC-5500 via IEEE-488.

IEEE-488 Programming in QuickBasic

Provides QuickBasic code examples for controlling the SC-5500 via IEEE-488.

RS-232C Programming in C++

Provides C++ code examples for controlling the SC-5500 via RS-232C.

RS-232C Programming in QuickBasic

Provides QuickBasic code examples for controlling the SC-5500 via RS-232C.