AUX E&H Series Instruções de Operação Página 38
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Limit monitoring
This function monitors the measuring value for exceeding monitoring limits and triggers an
alarm.
Coding Field
Selection or range
Factory setting (bold)
Display Info
P
Function group
CHECK
Settings for measuring electrode
and process monitoring
P1
Switch SCS alarm
for measuring
electrode on or off
Off
On
The glass electrode is monitored
for glass breakage (Error no.
E071.) Response time approx. 30s.
SCS monitoring is inactive during
calibration.
P2
Switch SCS alarm
for reference
electrode on or off
Off
On
The reference electrode is
monitored for soiling and
blocking. (Error no. E152.)
Response time approx. 60s.
Only at A2 = sym.
P3
Enter SCS alarm
threshold for
reference
electrode
50.0 k
Ω
0.5 ... 50.0 k
Ω
The measuring value contains
also the impedance of the
medium.
The impedance of the reference
electrode increases with the
degree of soiling.
P4
Leakage current
display for IsFET
0.0 ... 9.9
µ
A
Only if A4 = IsFET and
P1 = on.
Display only.
Leakage currents > 0.4
µ
A
indicate a damage of the IsFET
sensor.
P5
Select process
monitoring
Off
Low
High
Lo Hi = low + high
Lo!
Hi!
LoHi!
Alarm signalling optionally with or
without simultaneous controller
switch-off.
xxxx = without controller
switch-off
xxxx! = with controller switch-off
P6 Enter error delay
0 s (min)
0 ... 2000 s (min)
Depending on your selection in
F2, you can enter the error delay
in min or s. Only after this does a
high or low limit violation cause
an alarm as per field P7 / P8.
P7
Enter lower alarm
threshold
-2.00 pH
-2.00 ... 16.00 pH
Omitted when P5 = Off.
Factory settings are printed in bold face;
base version does not include functions in
italic
.
P
CHECK
Off
P1
SCS Glass
Off
P2
SCS Ref
P3
k@
SCSThresh
50.0
0.0
P4
Leak Curr
P5
A.Thresh
Off
P6
s
Err.Delay
0
P7
pH
LowAlarm
-2.00
Instrument configuration Liquisys M CPM 223 / 253
36 Endress+Hauser
- Endress Hauser 1
- Table of contents 3
- 1 General information 4
- 1.5 Product structure 5
- 2 Safety 6
- 2.5 Immunity to interference 7
- 2.6 Declaration of conformity 7
- 3 Installation 8
- 3.2 Dimensions 9
- 3.3 Mounting 10
- PM253E03.CHP 11
- 3.3.2 Mounting examples 12
- Endress+Hauser 11 13
- 3.4 Electrical connection 14
- 131094-4G 15
- Construction of special 16
- CPK1_12e.EPS 16
- Fig. 3.13 16
- • If the software setting 18
- Setpoint 19
- 4.3 Keys 20
- PM253ED4.CHP 21
- 4.5 Operating concept 22
- 4.5.2 Access codes 23
- 4.5.3 Menu structure 23
- • If a change is made but not 23
- • See the appendix of these 23
- 5 Instrument configuration 25
- RELAY2.CDR 26
- Oper.Mode 27
- Glass A5 28
- Fig. 5.4 29
- Alarm signalling and 29
- 28 Endress+Hauser 30
- PM253E5A.CHP 31
- Fig. 5.7 32
- User-defined current output 32
- Sel. Out2 33
- Tabelle (3) 34
- Table (3) 34
- 5.5 Monitoring functions 35
- Rel.Assg 36
- Curr.Assg 36
- CleanTrig 36
- 5.5.2 Check 37
- • Due to its semiconductor 37
- A.Thresh 38
- Err.Delay 38
- LowAlarm 38
- HighAlarm 39
- ProcMonit 39
- Tmax Low 39
- Tmax High 39
- GRENZ-E.CDR 40
- not allowed 41
- Pulse length modulation 42
- Pulse frequency modulation 42
- PM253E5B.CHP 43
- 5.6.4 ChemoClean function 44
- • Use relays 3 (water) and 44
- • When “Economy” is selected 44
- LC PV R2 45
- LC State 46
- 120 R239 48
- 0.3 R2310 48
- Clean = ChemoClean (5) 49
- Neutra controller (6) 49
- ChemoClean (5) 49
- Proc.Type 51
- 5.7 Service 52
- S.Default 53
- Contr E1 54
- SerNo E113 54
- LSG E114 54
- 5.10 Calibration 55
- the user is 55
- ≤ 0.05 and value 56
- 59.18 N2 59
- PV Offset 60
- 6 Interfaces 61
- Endress+Hauser 61 63
- 62 Endress+Hauser 64
- Endress+Hauser 63 65
- 64 Endress+Hauser 66
- Endress+Hauser 65 67
- 8.1 Diagnosis 68
- Endress+Hauser 67 69
- 223EXPHE.CDR 70
- 8.2.2 Disassembly of CPM 223 71
- 8.2.3 Assembly of CPM 223 71
- 8.2.4 Spare parts for CPM 223 72
- 253EXPHE.CDR 73
- 8.3.2 Disassembly of CPM 253 74
- 8.3.3 Assembly of CPM 253 74
- 8.3.4 Spare parts for CPM 253 75
- 8.4 Spare parts orders 76
- 8.6.1 pH/redox transmitter 77
- 8.6.2 pH/mV electrodes 77
- 8.6.3 Assembly 77
- 8.6.4 Liquid KCl supply 77
- 9 Accessories 79
- 10 Technical data 81
- 80 Endress+Hauser 82
- Endress+Hauser 81 83
- 11 Appendix 84
- Endress+Hauser 83 85
- 84 Endress+Hauser 86
- Endress+Hauser 85 87
- 12 Index 88
- PM253E12.CHP 89
- Declaration of contamination 91
- BA 194C/07/en/07.02 92
- Printed in Germany / CV5 / DT 92
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