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SA/FC Bus and Supply Power
Wiring Guidelines

Table 5

provides information about the functions, ratings,

and requirements for the communication bus and supply
power terminals; and guidelines for wire sizes, cable
types, and cable lengths when wiring the controller's
communication buses and supply power.

In addition to the guidelines in

Table 5

, observe these

guidelines when wiring an SA or FC bus and the 24 VAC
supply power:

•

Run

all

low-voltage wiring and cables separate from

high-voltage wiring.

•

All SA and FC bus cables, regardless of wire size,
should be twisted, insulated, stranded copper wire.

•

Shielded cable is strongly recommended for all SA
and FC bus cables.

•

Refer to the

FX-PC Series Controllers MS/TP

Communications Bus Technical Bulletin
(LIT-12011670)

or

MS/TP Communications Bus for

BCM System Technical Bulletin (LIT-12011908)

for

detailed information regarding wire size and cable
length requirements for the SA and FC buses.

Table 5: Communications Bus and Supply Power Terminal Blocks, Functions, Ratings, Requirements, and Cables

Recommended Cable Type

1

Function, Electrical Ratings/Requirements

Terminal
Labels

Terminal
Block/Port Label

FC Bus: 0.6 mm (22 AWG) stranded,
3-wire twisted, shielded cable
recommended.

SA Bus: 0.6 mm (22 AWG) stranded,
4-wire (2 twisted-pairs), shielded cable
recommended.

Note:

On the SA Bus, the + and - wire are

one twisted pair, and the COM and SA
PWR are the second twisted pair of wires.

FC or SA Bus Communications

+

-

FC BUS

2

or

SA BUS

2

Signal Reference (Common) for FC or SA Bus
communications

COM

SHLD on FC Bus:

Isolated terminal (optional shield drain

connection

SAP WR on SA Bus:

15 VDC power lead connection

Note:

The SA PWR terminal on an FX-PCX controller does

not supply 15 VDC. The SA bus supervisor supplies 15
VDC to devices on the SA bus requiring power.

SHLD

or

SAPWR

Bluetooth

®

Commissioning Converter

retractable cable or 24 AWG 3-pair CAT 3
Cable <30.5 m (100 ft)

RJ-12 6-Position Modular Connector provides:

FC or SA Bus Communications

FC or SA Bus Signal Reference and 15 VDC Common

Commissioning Converter or FX-ZFR1811 Wireless Router

(Maximum total current draw for SA bus is 240 mA.)

SA/FC BUS

2

(Port)

0.8 mm to 1.5 mm

2

(18 AWG) 2-wire

24 VAC Power Supply - Hot

Supplies 20-30 VAC (Nominal 24 VAC)

HOT

24~

24 VAC Power Supply - Common

(Isolated from all other Common terminals on controller.)

COM

1

See

Table 4

to determine wire size and cable lengths for cables.

2

The SA Bus and FC Bus wiring recommendations in this table are for MS/TP bus communications at 38,400 baud. For more
information, refer to the

FX-PC Series Controllers MS/TP Communications Bus Technical Bulletin (LIT-12011670)

or

MS/TP

Communications Bus for BCM System Technical Bulletin (LIT-12011908)

.

16

FX-PCX47 Expansion Input/Output Module Installation Instructions

Содержание FX-PCX4711 Series

Страница 1: ...t installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area may cause harmful interference in which case the users will be required to correct the interference at their own expense Installation Observe these guidelines when installing a controller Transport the controller in the original con...

Страница 2: ... rail channel on the back of the controller Figure 2 and position the controller snugly against the DIN rail 4 Push the bottom mounting clips inward up to secure the controller on the DIN rail To remove the controller from the DIN rail pull the bottom mounting clips out to the extended position and carefully lift the controller off the DIN rail Wall Mount Applications To mount a controller directl...

Страница 3: ...le 5 6 Cover Lift Tab One of Two See Removing the Controller Cover 7 Sensor Actuator SA Bus or Field Controller FC Bus Terminal Block See Table 5 8 Binary Input BI Terminal Block 2 Binary Inputs See Table 3 9 Universal Input UI Terminal Blocks 6 Universal Inputs See Table 3 10 End of Line EOL Switch See Setting the End of Line EOL Switch Note The EOL Switch is located under the controller cover Yo...

Страница 4: ... configuring and wiring an MS TP Bus FC bus and SA bus refer to the FX PC Series Controllers MS TP Communications Bus Technical Bulletin LIT 12011670 or MS TP Communications Bus for BCM System Technical Bulletin LIT 12011908 Terminal Blocks and Bus Ports See Figure 3 for terminal block and bus port locations on the controller Observe the following guidelines when wiring a controller Input and Outp...

Страница 5: ...le 5 for more information The SA FC bus port pin assignment is shown in Figure 6 Figure 6 Pin Number Assignments for Sensor SA Bus and FC Bus Ports on Controllers Supply Power Terminal Block The 24 VAC supply power terminal block is a gray removable 3 terminal plug that fits into a board mounted jack on the top right of the controller Wire the 24 VAC supply power wires from the transformer to the ...

Страница 6: ...12 modular jack on the front of the controller 2 Ensure that the controller s device address DIP switches are set to the correct device address See Setting the Device Addresses 3 Set DIP switch 128 to ON which enables wireless operation on the controller For more information on installing a controller in a wireless configuration refer to the FX ZFR1811 Wireless Field Bus Router Installation Instru...

Страница 7: ...ice UI Voltage Input Self Powered UI Current Input External Source Isolated UI Current Input Internal Source 2 wire UI Current Input Internal Source 3 wire UI Current Input External Source in Loop UI Feedback from EPP 1000 7 FX PCX47 Expansion Input Output Module Installation Instructions ...

Страница 8: ... BI Dry Contact Binary Input CO or AO 0 20 VDC Output to Actuator External Source CO or AO 0 10 VDC Output to Actuator Internal Source CO or AO 0 20 mA Output to Actuator CO or AO 0 20 mA Output to Actuator AO Voltage Analog Output 8 FX PCX47 Expansion Input Output Module Installation Instructions ...

Страница 9: ...e of Input Output Type of Field Device AO Analog Output Current CO 24 VAC Triac Output Switch Low External Source CO CO CO BO Incremental Control to Actuator Switch Low Externally Sourced 9 FX PCX47 Expansion Input Output Module Installation Instructions ...

Страница 10: ...t Output Type of Field Device BO 24 VAC Binary Output Switch Low Externally Sourced BO 24 VAC Binary Output Switch High Externally Sourced BO SA Bus Network Stat with Phone Jack Fixed Address 199 10 FX PCX47 Expansion Input Output Module Installation Instructions ...

Страница 11: ...delines in Table 3 observe these guidelines when wiring controller inputs and outputs Run all low voltage wiring and cables separate from high voltage wiring All input and output cables regardless of wire size or number of wires should consist of stranded insulated and twisted copper wires Shielded cable is not required for input or output cables Shielded cable is recommended for input and output ...

Страница 12: ... 15k ohm pull up Qualified Sensors 0 2k ohm potentiometer RTD 1k Nickel Johnson Controls sensor 1k Platinum and A99B Silicon Temperature Sensor Negative Temperature Coefficient NTC Sensor 10k Type L 10k JCI Type II 2 252k Type II See Guideline A in Table 4 Binary Input Dry Contact Maintained Mode 1 second minimum pulse width Internal 12 V 15k ohm pull up Same as Universal INn Universal Input Commo...

Страница 13: ...ll Analog OUT terminals Note All Analog Output Common terminals OCOMn share a common which is isolated from all other commons OCOMn See Guideline C in Table 4 Binary Output 24 VAC Triac External Power Source Connects OUTn to OCOMn when activated External Power Source Requirements 30 VAC maximum output voltage 0 5 A maximum output current 1 3 A at 25 duty cycle 40 mA minimum load current OUTn BINAR...

Страница 14: ...onnects OUTn to OCOMn when activated External Power Source Requirements 30 VAC maximum output voltage 0 5 A maximum output current 1 3 A at 25 duty cycle 40 mA minimum load current Same as Configurable OUTn Analog Output Signal Common All Configurable Outputs COs defined as Analog Outputs AOs share a common which is isolated from all other commons except the Binary Input common Binary Output Signa...

Страница 15: ...pper 100 mV maximum voltage drop Depending on cable and the connected input or output device you may have to define an offset in the setup software for the input or output point 229 m 750 ft twisted wire 1 5 mm 2 18 AWG stranded copper B 137 m 450 ft twisted wire 0 8 mm 20 AWG stranded copper 91 m 300 ft twisted wire 0 6 mm 22 AWG stranded copper 61 m 200 ft twisted wire N A 24 AWG stranded copper...

Страница 16: ...d cable recommended Note On the SA Bus the and wire are one twisted pair and the COM and SA PWR are the second twisted pair of wires FC or SA Bus Communications FC BUS 2 or SA BUS 2 Signal Reference Common for FC or SA Bus communications COM SHLD on FC Bus Isolated terminal optional shield drain connection SAP WR on SA Bus 15 VDC power lead connection Note The SA PWR terminal on an FX PCX controll...

Страница 17: ...witch 4 ON followed by switch 1 16 4 1 21 See Figure 9 3 Set switch 128 to ON only for controllers on an FX ZFR Series Wireless Field Bus application For all hard wired SA and FC bus applications ensure that switch 128 is set to Off Note Do not connect a controller with switch 128 set to ON to an active hard wired SA or FC bus When a controller with switch 128 set to ON and a device address from 4...

Страница 18: ...s under the two cover lift tabs Figure 3 on the sides of the housing cover and gently pry the top of the cover away from the base to release the cover from the two upper latches 2 Pivot the top of the cover further to release it from the lower two latches 3 Replace the cover by placing it squarely over the base and then gently and evenly push the cover on to the latches until they snap into the la...

Страница 19: ...p Jumpers The current loop fail safe jumpers are on the circuit board under the controller cover near the UI terminals Figure 10 When a UI is defined in the system software as a 4 20 mA Analog Input and the UI s current loop jumper is in the Disabled default position Figure 13 the 4 20 mA current loop circuit opens whenever power to the controller is interrupted or off Figure 13 Current Loop Jumpe...

Страница 20: ...troller accessories ordering information Table 9 Accessories Ordering Information Description Product Code Number Bluetooth Commissioning Converter FX BTCVT 1 Wireless Field Bus Router FX ZFR1811 0 Transformer 120 VAC Primary to 24 VAC secondary 20 VA Wall Plug TP 2420 Transformer 120 208 240 VAC Primary to 24 VAC Secondary 40 VA Foot Mount 8 in Primary Leads and Secondary Screw Terminals Class 2 ...

Страница 21: ...128 KB Random Access Memory RAM Memory 6 Universal Inputs Defined as 0 10 VDC 4 20 mA 0 600k ohm or Binary Dry Contact 2 Binary Inputs Defined as Dry Contact Maintained or Pulse Counter Accumulator Mode 3 Binary Outputs Defined as 24 VAC Triac selectable internal or external source power 4 Configurable Outputs Defined as 0 10 VDC or 24 VAC DC Field Effect Transistor FET BO 2 Analog Outputs Defined...

Страница 22: ... Australia NZ Emissions Compliant BACnet International BACnet Testing Laboratories BTL Protocol Revision 4 Listed BACnet Application Specific Controller B ASC The performance specifications are nominal and conform to acceptable industry standard For application at conditions beyond these specifications consult the local Johnson Controls office Johnson Controls Inc shall not be liable for damages r...

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