33
Faults description:
• Non-redundant com: Communications between the Master Station MS102 and the actuator
are no longer redundant.
• Torque limiter: The torque limiter has been activated in opening or closing mode. This infor-
mation is transmitted even if the valve is closing or opening normally under load.
• Position sensor supply: The actuator no longer receives any information from the
position sensor.
• Motor jammed on opening: The motor locked in the opening direction.
• Motor jammed on closing: The motor locked in the closing direction.
• Thermal overload: The motor thermal contact tripped. The actuator will be again available as
soon as the motor will cool.
• Low battery: In case of battery option, the battery should be replaced because of too low
voltage or the battery is missing.
• Phase loss: Only in 3-phase mode, one phase is missing. No start-up allowed.
• Overtravel alarm: Position overshoot > 5% after motor shut down.
• Dir. of rot. open alarm: Direction of rotation non-compliant in opening mode.
• Dir. of rot. close alarm: Direction of rotation non-compliant in closing mode.
• Torque sensor supply: The actuator no longer receives any information from the position sensor.
• Communication fault: There is a communication fault between and INTELLIBUS module.
10.2.1 > Command your actuator
Control Hierarchy
In order to ensure secure management of your site, considering the several control units, a control
hierarchy is set up. The standard control priority is defined from the closest device to actuators, to
the device which is the farthest:
Actuators > MS > PC workstation > DCS
The consequence is that if an opposite order is received at the same moment from the Master
Station and from the DCS, the priority order is the one coming from the Master Station. Therefore
an alert will appear on the PC Workstation when you will try to command an actuator while the
command page of the same actuator is open on a touch screen. Similarly, if a command page of
an actuator is open the DCS will be informed.
Piloting the actuator
From the home page, touch the Valve selection button or press the F3 button. Then select the
valve you want to command. The Valve Status screen is displayed, press Pilot or F3 to access to
the Valve Command screen.
Next page
Содержание MS102
Страница 1: ...INSTRUCTIONS FOR START UP NR 1182_rev A MASTER STATION MS102...
Страница 47: ...47 NOTES...