Calibration Quantity; Span Calibration Digits; Simulation Mode; Warm-Up Timer - Siemens SIWAREX WP241 Manual

Scale parameters and functions of the belt scale
8.3 DR 3 Belt scale parameters
8.3.20

Calibration quantity

In order to calibrate the belt scale by means of a material test, a previously or subsequently
weighed amount of material can be used. The specification depends on the selected belt
loading unit in kg or lb.
You can calibrate the scale using the commands 67 (Start), 68 (Stop), 69 (Calculate span
calibration point), and 89 (Apply span calibration digits).
8.3.21

Span calibration digits

Following calibration of the loaded belt scale, the digit value from the A/D converter which
corresponds to the calibration weight is stored as the average value for the set number of
belt revolutions. The interval from the zero digits must be at least 40 000 digits.
Note
If the jumper is closed to protect data with verification capability, the parameter can no longer
be changed.
8.3.22

Simulation mode

The material on the scale and/or the speed of the belt can be simulated for test purposes.
You must enable this functionality using the "Enable simulation" parameter. You specify the
simulated input values via DR16. You can enable test mode at any time using the
commands "Load simulation ON" (3) or "Speed simulation ON" (5), or disable test mode
using the commands "Load simulation OFF" (4) or "Speed simulation OFF" (6).
8.3.23

Warm-up timer

Following switching-on of the electronic weighing system, this input indicates in the status
area that the time has not yet expired ("Warm-up time running").
8.3.24

Interface for the legal trade display

This parameter is not yet effective since the function is in preparation.
The parameter defines the interface via which the data is provided for a display with
verification capability:
0 - no display with verification capability
1 - HMI SecureDisplay via Ethernet
2 - HMI SecureDisplay via S7 CPU
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SIWAREX WP241
Manual, 04/2014, A5E33713528A