KROHNE IFC 110 Converter - Manual (Page 68)

Sect. 7.1 Part C Special applications, functional checks, service, and order numbers
68 IFC 110 F 05/2003
7 Functional checks
7.1 Checking the zero with IFC 110 F signal converter, Fct. 3.03
• Set ”zero” flow in the pipeline. Make sure that the measuring tube is completely filled with
liquid.
• Switch on the system and wait 15 minutes.
• Press the following keys for zero measurement:
Key Display Description
→ If ”YES” is selected in Fct. 3.04 ENTRY CODE,
key in 9-stroke CODE 1 now: → → → ↵ ↵ ↵ ↑ ↑ ↑
Fct. 1.00 OPERATION
2x ↑ Fct. 3.00 INSTALL.
→ Fct. 3.01 LANGUAGE
2x ↑ Fct. 3.03 ZERO SET
→ CALIB. NO
↑ CALIB. YES
↵ 0.00 - - - - - / - - - Flow rate displayed in set unit, see Fct. 1.04 DISPLAY,
subfunction ”DISP. FLOW”.
Zero is measured, duration approx. 15-90 s. ”WARNING” is
displayed when flow is ”>0”, acknowledge by pressing ↵ key.
STORE NO If new value is not to be stored, press ↵ key (3 times)
4 times = return to measuring mode
↑ STORE YES
↵ Fct. 3.03 ZERO SET Store new zero value
(2x) 3x ↵ - - - - - - - - - - - - / - - - Measuring mode with new zero
7.2 Checking the measuring range Q, Fct. 2.01
• For this test a measuring value can be simulated in the range of -110 to +110 percent of Q
100%
(set full-scale range, see Fct. 1.01 FULL SCALE).
• Switch on the system.
• Press the following keys for checking the measuring range:
Key Display Description
→ If ”YES” is selected in Fct. 3.04 ENTRY CODE,
key in 9-stroke CODE 1 now: → → → ↵ ↵ ↵ ↑ ↑ ↑
Fct. 1.00 OPERATION
↑ Fct. 2.00 TEST
→ Fct. 2.01 TEST Q
→ SURE NO
↑ SURE YES
↵ 0 PCT. Current, pulse and status outputs indicate corresponding values.
± 10 PCT.
↑ ± 50 PCT. Select with ↑ key
± 100 PCT.
± 110 PCT.
↵ Fct. 2.01 TEST Q End of test, actual measured values again available at outputs
(2x) 3x ↵ - - - - - - - - - - - - / - - - Measuring mode