Spirax Sarco SP7-20, Инструкция по установке и обслуживанию, Страница: 37 / 56

IM-P706-03 CTLS Issue 1
37
SP7-20 Smart Positioner
5.1 Parameterisation of the device
5.1.1 Menu navigation
5.1.2 Value display with unit
This 7-segment display with four digits indicates parameter values or parameter reference numbers. For
values, the physical unit (°C, %, mA) is also displayed.
5.1.3 Current state display
This 14-segment display with eight digits indicates the designators of the parameters with their status, of
the parameter groups, and of the operating modes.
Symbol Description
Operation or access is restricted.
Control loop is active. The symbol is displayed when the positioner is in operating mode
1.0 CTRL_ADP (adaptive control) or 1.1 CTRL_FIX (fixed control) at operating level. On the
configuration level there are test functions for which the controller will be active as well. The
control loop symbol will also be displayed when these functions are active.
Manual adjustment.
The symbol is displayed when the positioner is in operating mode 1.2
MANUAL (manual adjustment within the stroke range) or 1.3 MAN_SENS (manual adjustment
within the measuring range) at operating level. At configuration level, manual adjustment is
active when setting the valve range limits (parameter group 6 MIN_VR (min. of valve range) and
6 MAX_VR (max. of valve range)). The symbol will also be displayed when these parameters
are being set.
The configuration icon indicates that the positioner is at the configuration level. The control
operation is inactive.
The four operating buttons ENTER, MODE, ARROW UP and ARROW DOWN are pressed individually or
in certain combinations according to the function desired.
5. Operation
1 Value display with unit
2 Symbol display
3 Designator display
4 Operating buttons for menu navigation
Fig. 20