Dynasonics TFX Ultra Transit Time Flow Meters Manuel d'utilisateur Page 15
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Line Voltage AC Power Connections
Connect 95…264V AC, AC neutral and chassis ground to the terminals referenced in Figure 6. Do not operate without an earth
(chassis) ground connection.
MPORTANTI
Permanently connected equipment and multi-phase equipment shall employ a switch or circuit breaker as a means of disconnect.
The switch or circuit breaker shall conform to the following:
1. A switch or circuit breaker shall be included in the building installation.
2. The switch shall be in close proximity to the equipment and within easy reach of the operator.
3. The switch shall be marked as the disconnecting device for the equipment.
Wiring of this equipment in ordinary locations shall be in accordance with ANSI/NFPA 70, National Electrical Code (NEC), Canadian
Electrical Code (CEC) or IEC 60364 as required by local codes. Wiring of this equipment in hazardous locations requires special
considerations such a those described in National Electrical Code (NEC) Article 500, Canadian Electrical Code (CEC), CSA C22.1
or IEC 60079-14.
Downstream
Upstream
+
+
-
-
Modbus
TFX Rx
TFX Tx
Signal Gnd.
Control 1
Control 2
Frequency Out
4-20 mA Out
Reset Total
RS485 Gnd
RS485 A(-)
RS485 B(+)
95 - 264 VAC
AC Neutral
W
R
C U S
1500mA250V
D
VE
372
R
C US
E167432
$
TUV
PRODUCT SERVICE
RoHS
AC IN : 100-240VAC,50/60Hz
DC OUT :
+15V / 0.3A
PWC - 1 5 E
0.15A
R2807
w w w . a s t r o d y n e . c o m
- Vo
+ Vo
A C L
A C N
s t r o d y n e
1 2 3 4
O
N
95 - 264 VAC
AC Neutral
Switch
or
Circuit
Breaker
24V AC Transformer
Downstream
Upstream
+
+
-
-
Modbus
TFX Rx
TFX Tx
Signal Gnd.
Control 1
Control 2
Frequency Out
4-20 mA Out
Reset Total
RS485 Gnd
RS485 A(-)
RS485 B(+)
W
R
C U S
1500mA250V
D
VE
372
1 2 3 4
O
N
s t r o d y n e
- IN +
OU T+
OUT−
IN: 18-36VAC
OUT: 15VDC
ASD06-24S15
Test
P1
Chassis Gnd.
24 VAC
AC Neutral
Switch
or
Circuit
Breaker
Figure 6: Line voltage AC power connections Figure 7: Low voltage AC power connections
Low Voltage AC Power Connections
Connect 20…28V AC, AC neutral and chassis ground to the terminals referenced in Figure 7.
DANGER
DO NOT OPERATE WITHOUT AN EARTH CHASSIS GROUND CONNECTION.
The 24V AC power supply option for this meter is intended for a typical HVAC and Building Control Systems (BCS) powered
by a 24V AC, nominal, power source. This power source is provided by AC line power to 24V AC drop down transformer and is
installed by the installation electricians.
OTE:N In electrically noisy applications, grounding the meter to the pipe where the transducers are mounted may provide
additional noise suppression. This approach is only effective with conductive metal pipes. The earth (chassis) ground
derived from the line voltage power supply should be removed at the meter and a new earth ground connected
between the meter and the pipe being measured.
OTE:N Wire gauges up to 14 AWG can be accommodated in the flow meter terminal blocks.
OTE:N AC powered versions are protected by a field replaceable fuse. The fuse is a time delay fuse rated at 0.5A/250V. This
fuse is equivalent to Wickmann P.N. 3720500041 or 37405000410.
TRANSMITTER INSTALLATION
Page 15 March 2014
- User Manual 1
- CONTENTS 2
- Page iii March 2014 3
- Transit Time Meter, TFX Ultra 4
- Page iv March 2014 4
- Page v March 2014 5
- Page vi March 2014 6
- INTRODUCTION 9
- User Safety 10
- Data Integrity 10
- Product Identication 10
- SPECIFICATIONS 11
- Transducers 12
- Software Utilities 12
- TRANSMITTER INSTALLATION 13
- To Transducers 14
- MPORTANTI 15
- DC Power Connections 16
- TRANSDUCER INSTALLATION 17
- Piping Conguration 18
- Step 2 – Transducer Spacing 19
- W-Mount V-Mount Z-Mount 20
- Step 4 – Transducer Mounting 21
- Alignment 22
- Transducer Positioning 23
- Page 24 March 2014 24
- Page 25 March 2014 25
- TOP VIEW 26
- Top View 27
- Operate in the 28
- Shaded Regions 28
- Page 29 March 2014 29
- ALARM OUTPUTS 30
- Signal Strength Alarm 31
- Error Alarm Outputs 31
- Frequency Output 32
- USB to RS485 33
- B A C K OF 34
- C ON N EC TOR 34
- WIRING TO METER 35
- REPLACEMENT RTDS 36
- STARTUP AND CONFIGURATION 37
- KEYPAD PROGRAMMING 38
- BSC MENU BASIC MENU 39
- Page 40 March 2014 40
- Page 41 March 2014 41
- Page 42 March 2014 42
- Page 43 March 2014 43
- Page 44 March 2014 44
- Page 45 March 2014 45
- CH1 Menu — Channel 1 Menu 46
- CH2 Menu — Channel 2 Menu 47
- FLOW ONLY METER OPTIONS 48
- SEN MENU SENSOR MENU 49
- SEC MENU SECURITY MENU 49
- SER MENU SERVICE MENU 50
- Page 51 March 2014 51
- Page 52 March 2014 52
- DSP MENU DISPLAY MENU 53
- SOFTWARE UTILITY 54
- BASIC TAB 55
- Transducer 56
- Flow Tab 57
- Page 58 March 2014 58
- Filtering Tab 59
- Output Tab 60
- Page 61 March 2014 61
- Page 62 March 2014 62
- Batch / Total 63
- Signal Strength 64
- SETTING ZERO AND CALIBRATION 65
- Page 66 March 2014 66
- Va l u e c a n n o t b e 0 67
- U l t r a L IN K 67
- Ta r g e t D b g D a t a 68
- APPENDIX 69
- COMMUNICATIONS PROTOCOLS 72
- Page 73 March 2014 73
- Page 74 March 2014 74
- AIN PAGE 75
- Ultrasonic Flow Meter 76
- BACnet® Object Support 77
- Page 78 March 2014 78
- Page 79 March 2014 79
- RATE OF HEAT DELIVERY 80
- Equipment Required: 82
- Page 83 March 2014 83
- Page 84 March 2014 84
- Page 85 March 2014 85
- Page 86 March 2014 86
- Page 87 March 2014 87
- PRODUCT LABELS 88
- CONTROL DRAWINGS 89
- CE COMPLIANCE DRAWINGS 95
- K FACTORS EXPLAINED 96
- Calculating K factors 97
- K factor 98
- 42,000 pulses per min 98
- 99.1 gpm 98
- 423.9 pulses per gallon= = 98
- FLUID PROPERTIES 100
- AVERTISSMENT 101
- STANDARD CLASSES 102
- SYMBOL EXPLANATIONS 103
- INTENTIONAL BLANK PAGE 107
- Control. Manage. Optimize 108
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