HP 5890 II, 5890 II Plus manual 84

Signal Output

Instrument network (INET)

If a setpoint entry at the HP 5890 keyboard is in progress when a workfile or method is stored or listed at the controller, the entry is aborted. After the operation finishes, the HP 5890 returns to the same setpoint display.

CWhen a stored workfile or method is recalled to active workspace at the controller, its setpoints are automatically downloaded into devices on the INET loop, including the HP 5890. Successful download at the

HP 5890 is confirmed by the display, SETPOINT FILE LOADED. Any instrument function key (e.g., OVEN TEMP ), or CLEAR , erases the message.

If a setpoint entry at the HP 5890 keyboard is in progress when a workfile or method is recalled, the entry is aborted.

CIf problems occur in transferring chromatographic setpoints to the HP 5890, the HP 5890 retains its present setpoints, so there is no indication at the HP 5890 that transfer was attempted. Appropriate error messages are printed at the controller device.

C

C

SYSTEM NOT READY, if displayed, indicates one or more devices on the INET loop report not ready.

UNDER REMOTE CONTROL is displayed if, from a host computer system, a command has been entered to lock the HP 5890 keyboard to prevent alteration of setpoints, and entry of a setpoint value is attempted at the HP 5890.

CIn case of INET system failure, the HP 5890 may be operated by itself (INET cables should be disconnected at the HP 5890). If, as a result of the failure, the HP 5890 keyboard does not respond normally to key presses, switch off the instrument at its main power switch. Upon restoring power, the keyboard should be active.

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