Watlow Series 920 Microprocessor-Based Ramping Control Manuel d'utilisateur Page 9
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
DIP
Function
Normal
Table 1
-
SW#
Operating
DIP Switch
ON
OFF
Position
Selection.
1
Cold Start
Warm Start
OFF
2
Not Used
Not Used
OFF
3
Tenths of units displayed
No decimal displayed
Choose
4
0-5VDC/0-20mA
input
l-5VDC/4-20mA
input
Choose
5
Primary output is
4-20mA
Primary output is not 4-20
Model
#
Dep,
6
LEDs
are load indicators
LEDs
are
°F
or
°C
Choose
7
Selected SPCLFUNC promts
All SPCLFUNC prompts
Choose
8
Factory Test/Calibrate
Normal
Operation
OFF
DIP switch #1 determines a warm or cold start. A
“warm” start saves all pro-
grammed information in the 920s memory back-up protection. A “cold” start is a
“clean” startup condition; all user-programmed information is lost. The Series
920 leaves the factory programmed for a warm start.
DIP switch
#2
is not used.
DIP switch
#3
determines if the decimal point is displayed in tenths of units for
process inputs.
DIP switch
#4
is for
0-5VDC/0-20mA
input or
l-5VDC/4-20mA
input selection.
DIP switch
#5
is for units with
4-20mA
output.
If your unit has
4-20mA
output,
set switch
#5
ON for the Primary output.
DIP switch
#6
determines the function of the front panel
LEDs
to the right of the
actual display. When ON, these
LEDs
can be used as a diagnostic tool for tuning
or system troubleshooting, see Page 12 and 33.
DIP switch
#7
is OFF, all SPCLFUNC prompts are displayed, when ON,
only
factory selected prompts appear. See Page 42. DIP switch
#8
is a factory
test/
calibrate switch.
Changing the Position of a Switch
Whenever you change the position of a DIP switch, follow this procedure:
1.
2.
3.
4.
5.
Remove power from the 920. Turn the front panel screw
90°counterclockwise.
Grip the front panel bezel and pull it straight out from the control case.
The control chassis will come out of the case as you pull the bezel.
Set the DIP switch to the position you want.
Return the control chassis to the case. Be sure you have it oriented cor-
rectly.
It
will not fit in upside down, but check just the same. Press
firmly, but gently, to seat the chassis.
Secure the front
panel
screw and re-apply power to the 920.
Figure 3
-
DIP Switch Location
and
Orientation.
J
NOTE:
For units with
process input only.
If
your unit does not
have process input,
DIP Switch #3
should be in the OFF
position.
n
T
WARNING:
Dokg
a cold start
will cause all setup
parameters and files
to be lost. DO NOT
put DIP switch #1 in
the ON position
unless all
user-
programmed
information is to be
cleared.
Starting
Out,
Chapter 1
WATLOW Series 920
User’s Manual
9
- Series 920 1
- Safety Information 2
- Your Program 3
- Contents 4
- Figures, Tables and Charts 5
- Chapter 1 6
- Starting out with the 6
- Watlow Series 920: 6
- Packing List 7
- How to Open the 920 8
- How to Set the DIP Switches 8
- User’s Manual 9
- Operating 10
- Chapter 11
- Keyboard Area 13
- Where To Go From Here 13
- A Brief Overview 14
- Enter Real Time of Day 14
- Before Entering Your Program 15
- Programming. File 1 15
- Step 4 must be 16
- Editing Your Program 17
- Adding an AUTOSTART Step Type 17
- Running Your Series 920 19
- Chapter 4 20
- How to Check for Ground Loops 22
- Noise Suppression Devices 22
- Available from Watlow 22
- C.M.Line Filter 23
- Installation Information 24
- Installation Procedure 24
- How to Wire the Series 920 25
- Power Wiring 26
- T.C. Compensation 27
- Load from 30
- Temperature Conrol 32
- How to Tune the Series 920 33
- Series 920 User’s 34
- Chapter 6 36
- How To Program The Series 920 36
- Event Outputs 37
- Guaranteed Soak 37
- The Four 38
- JUMPLOOP 38
- Rules to Follow 39
- SYSTEM Menu 40
- .:.:.:.: 41
- SETUP Menu 42
- Represents the 45
- PROGRAM Menu 49
- StepType 50
- To Program 52
- 920, Chapter 6 52
- Chart I- Master Step Chart 53
- Chapter 7 54
- Alarm Types 55
- The Operating Band 56
- Alarm Limits 57
- Clearing An Alarm Message 58
- An Alarm And The State 58
- The Alarm Relay 58
- Appendix 59
- Series 920 Specifications 59
- 920 User’s Manual 60
- 61
- Type J, K, or T 62
- Reference Compen 62
- Equipment Required 63
- Setup and Calibration 63
- @)(sJ(g; 64
- Glossary 67
- Accepts the sensor input and 68
- Isolation: 70
- ON/OFF control: 71
- WATLOW Series 920 73
- Manual 73
- Thermal System: 74
- Safety Information, 2 76
- Warranty Information 77
- Returning Merchandise 77
- Shipping Claims 77
- Series 920 Error Codes/Alarms 78
- Clearing an Error Code 79
- How to Clear an Alarm Code 79
- Series 920 Quick 80
- Reference 80
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