Operation And Operating States; Operation; Indications - Stahl 8485 Serie Betriebsanleitung

11 Operation and operating states

Operation

For the operation of the device, observe the information in chapter "Function" and
"Configuration and commissioning".

Remove the clamp from the suspension point on side of the enclosure.

Connect the object to be grounded. While doing so, make sure that there is a direct
connection to be grounded object and no insulation between the object and connection
point of the grounding clamp. (Caution with tank containers: The frame may be
separated from the actual tank by means of the rubber buffer!)

Provided there is sufficient contact between the clamp and the object to be grounded,
the signaling is performed by means of the green indicator light and switching of the
potential-free contact for signaling to process control systems or to external monitoring
devices.
Once the filling or emptying of the object has been completed, release the clamp from the
object and hang it back at the point of suspension.

Indications

The corresponding indicator lights on the device indicate the operating state of the device
(also refer to chapter "Function and device design").
11.2.1. 8485 Rev. B
Colour
Green
Red
11.2.2. 8485 Rev. C
Colour
Green
Red
Green & Red
flashing
*) The clamp is connected to the road tanker, the green indicator light is on or flashing.
The electrostatic charge is being discharged. After connection the loading arm, the road
tanker is conductively connected to an earth point of the structure. If the resistance of
grounding loop of tanker is < 10 Ω the green indicator light is on.
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On
Grounding available.
 Refueling is started
Device is supplied with power supply
 Grounding not available
On
Grounding available.
 Refueling is started
Device is supplied with power supply
 Grounding not available
Manual control of the contacts is
activated
manuals search engine
Operation and operating states
Off
The Grounding not available.
The Power supply is not available if
the green indicator light is off
Off
The Grounding not available.
The Power supply is not available if
the green indicator light is off
The power supply is not available
Grounding Monitoring Device type 8485
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