Flomec QSI Series Installation Instructions Manual Download

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QSI VERSION 1 PC BOARD

WIRING DIAGRAM

QSI Version 1

Coil A & B

(Non-polarized

wires)

RS-485

BTU

Pulse Out

RTDs

RS-485

Power In

Inputs: Temp Sensors, Variable Reluctance, Pickup Coil
Outputs: RS-485, Pulse Output

(+)

(-)

Power (-)

Power (+)

ISOLATED
POWER SUPPLY
12-30 V (ac) or
12-36 V (dc)

Pulse Out (+)

Pulse Out (-)

Open Collector
Pulse Input

RS485 (-)

RS485 (GND)

2....=

120Ω

*Shield

Customer
Equipment

RS485 (+)

RS485 (-)

RS485 (GND)

RS485 (+)

PT100 (White)

PT100 (Blue)

PT100 (Red)

PT100 (White)

PT100 (Blue)

PT100 (Red)

Coil B

Coil A

Unpowered

Pickup Coil

Figure 9

WIRING DIAGRAMS

QSI VERSION 1 PC BOARD

WIRING DIAGRAM

QSI Version 1

Coil A & B

(Non-polarized

wires)

RS-485

BTU

Pulse Out

RTDs

RS-485

Power In

Inputs: Temp Sensors, Variable Reluctance, Pickup Coil
Outputs: RS-485, Pulse Output

(+)

(-)

Power (-)

Power (+)

ISOLATED
POWER SUPPLY
12-30 V (ac) or
12-36 V (dc)

Pulse Out (+)

Pulse Out (-)

Open Collector
Pulse Input

RS485 (-)

RS485 (GND)

2....=

120Ω

*Shield

Customer
Equipment

RS485 (+)

RS485 (-)

RS485 (GND)

RS485 (+)

PT100 (White)

PT100 (Blue)

PT100 (Red)

PT100 (White)

PT100 (Blue)

PT100 (Red)

Coil B

Coil A

Unpowered

Pickup Coil

Figure 8

Summary of Contents for QSI Series

Page 1: ... of the following electronic modules to G2 meters QSB pulse output with or without a display QSI1 QSI2 QSI3 versions of communications electronics with or without a display The basic mechanical installation is the same for all electronic modules The wiring connections and wiring diagrams differ depending on the electronic module being installed ...

Page 2: ...ed QSB or QSI module with or without a display 4 4 40 x 7 8 in Fillister Head Screws For metallic G2 4 4 20 x 7 8 in Fillister Head Plastite Screws For PVDF G2 1 Gasket 1 Instruction sheet 1 Q09 Owner s manual if module includes Q09 display 1 Set of 4 Strain reliefs MODULE CONTENTS Check the contents of your module using the list below as reference ...

Page 3: ...LE WITH DISPLAY G2 QSB OR QSI MODULE NO DISPLAY DISPLAY READY 2 05 52 0 71 18 0 2 05 52 0 2 79 70 8 71 18 0 1 76 44 6 920897 02 MANUAL 1 32 33 5 1 32 33 5 Add 40 10 1 per side for strain relief projection when installed in ports DIMENSIONS Dimensions are shown in inches and mm Figure 1 ...

Page 4: ...flow scalable data logger 4 20mA output This manual contains information and meter wiring diagrams for the three different QSI electronics modules IMPORTANT NOTICE QSB and QSI module electronics are very sensitive to electric noise if operated within 6 inches of some electric motors relays transformers or other sources of electronic noise If the QSB or QSI electronics are used in a manner not spec...

Page 5: ... QSI Modules Only For the Display Ready QSI module follow these initial instructions first to install your customer provided display to the cover plate in the kit Then follow the Installation Instructions to install this customer assembled unit to the meter 1 Make sure the QSI module is disconnected from power source 2 Remove batteries from your display they will no longer be needed 3 Remove the p...

Page 6: ...ase making sure the seal is seated properly between them Replace the 6 previously removed screws to secure the cover plate to the base Tighten screws 10 Connect power to QSB or QSI module and meter NOTE For ALL electronic modules 1 Make sure the QSB or QSI module and meter are disconnected from power source 2 Remove any attached product if it exists from the top of your G2 meter It will be replace...

Page 7: ...seat the coil spacer combination in its recess on the adapter see Figure 4 Figure 4 6 SCREWS 8 16 X 3 4 COVER PLATE QSB OR QSI W DISPLAY SHOWN QSB NO DISPLAY DISPLAY READY SEAL BASE 4 SCREWS 4 40 X 7 8 FOR METALLIC METERS 4 20 X 7 8 PLASTITE FOR PVDF METERS GASKET SCREW TERMINAL PICK UP CIRCUIT BOARD 4 STRAIN RELIEF STRAIN RELIEFS SHOWN INSTALLED FOAM SPACER UNDER COIL PICK UP COIL 2 WIRES THAT CO...

Page 8: ...ally Isolated Pulse Output return current Pulse Output frequency output This is a current sinking open collector output POWER INPUT 12 30 V ac or 12 36 V dc Input A 12 30 V ac or 12 36 V dc Input B PT100 Red Coil A GPI Sensor Coil B PT100 White Sensor 1 PT100 Blue PT100 Red PT100 White PT100 Blue RS 485 RS 485 RS 485 GND 5v Sensor 2 RS 485 Pulse Input 4 20mA Pulse Output Power Figure 5 TERMINAL CO...

Page 9: ...l power supply The resistance must be chosen such that the QSB will not sink more than 30mA of current The external power supply voltage must also be less than 36VDC to prevent damage to the QSB QSB PC BOARD Pulse Out Open Collector Square Wave ISOLATED PWR SUPPLY 12 36VDC 12 30VAC 50 60 Hz 12VDC OR 12VAC 50 60 Hz POLARITY DOESNT MATTER Coil A B Non polarized SIGNAL GROUND OPEN COLLECTOR OUTPUT WI...

Page 10: ...MS Figure 7 The wire gauge for the pulse output cable should be between 16 to 26 AWG to properly fit in the wire termination connector The pulse output ground should be properly connected to the customer equipment ground while the pulse output signal should be properly connected to both the customer equipment pulse input and an external pull up resistor to an external supply if the customer equipm...

Page 11: ...lse Out Pulse Out Open Collector Pulse Input RS485 RS485 GND R2 120Ω Shield Customer Equipment Customer Equipment RS485 RS485 RS485 GND RS485 PT100 White PT100 Blue PT100 Red PT100 White PT100 Blue PT100 Red R2 Coil B Coil A Unpowered Pickup Coil Figure 9 WIRING DIAGRAMS QSI VERSION 1 PC BOARD Coil A B Non polarized wires RS 485 BTU Pulse Out RTDs RS 485 Power In Figure 8 ...

Page 12: ...IAGRAM QSI Version 2 Input Temp Sensors Variable Reluctance Pickup Coil Output Pulse Output Power Power ISOLATED POWER SUPPLY 12 30 V ac or 12 36 V dc Pulse Out Pulse Out Open Collector Pulse Input Customer Equipment PT100 White PT100 Blue PT100 Red PT100 White PT100 Blue PT100 Red Coil B Coil A Unpowered Pickup Coil Figure 11 ...

Page 13: ...Isolated Outputs Customer Equipment with Built in Power Supply Inputs Pulse Out Customer Equipment Open Collector 4 20mA Min V 8 5 Max V 36 4 20mA Customer Equipment 4 20mA and Pulse Outputs Minimum signal amplitutde required for normal operation approx 15mV P P Recommended cable type twisted pair with shield Recommended maximum cable length 20ft Caution When reassembling the cover plate make sure...

Page 14: ...er Supply 4 20mA Output with Separate Power Supply Power Power ISOLATED POWER SUPPLY 12 30 V ac or 12 36 V dc 4 20mA 4 20mA Current Current Current Loop Loop Customer Equipment mmended maximum cable length 20ft Min V 8 5 Max V 36 Isolated Power Supply w Figure 14 WIRING DIAGRAMS ...

Page 15: ...rain Relief Hubble PG7 Grip Range 0 11 0 26 2 79 6 6mm Operation Temperature 32 F to 140 F 0 C to 60 C Ambient Air Operation Temp 0 F to 140 F 18 C to 60 C POWER SUPPLY Voltage Requirement Min 12 VDC or 12 VAC 50 60 Hz Max 36 VDC or 30 VAC 50 60 Hz higher voltage may damage unit MAX POWER CONSUMPTION QSB 50mA ...

Page 16: ...power is restored To Replace Battery DISCONNECT POWER TO METER WITHOUT DISPLAY Remove 6 screws retaining the cover plate to the base and lift the cover plate free of the base see Figure 15 Flip the cover plate over and remove 4 screws retaining the PC board assembly see Figure 16 Remove and replace the coin cell battery CR2032 on the back side of PC board see Figure 17 Reverse the procedure to rea...

Page 17: ...17 Figure 15 Figure 17 Figure 18 Figure 16 ...

Page 18: ...m the GPI Customer Service Department Due to strict regulations governing transportation handling and disposal of hazardous or flammable liquids GPI will not accept equipment for rework unless it is completely free of liquid residue The Waste Electrical and Electronic Equipment WEEE directive 2002 96 EC was approved by the European Parliament and the Council of the European Union in 2003 This symb...

Page 19: ...19 NOTES ...

Page 20: ...ified outside the warrantor s duly appointed representative B the product has been subjected to neglect misuse abuse or damage or has been in stalled or operated other than in accordance with the manufacturer s operating instructions To make a claim against this warranty contact the GPI Customer Service Department at 316 686 7361 or 888 996 3837 Or by mail at Great Plains Industries Inc 5252 E 36t...

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