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Johnson Controls FEC26 Series, Installation Manual, Page: 2 / 24

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Installation

Observe these guidelines when installing a controller:
• Transport the controller in the original container to

minimize vibration and shock damage.

• Verify that all parts shipped with the controller.

• Do not drop the controller or subject it to physical

shock.

Parts included

• One controller with removable terminal blocks (Power,

SA bus, and FC bus are removable)

• One installation instructions sheet

Materials and special tools needed

• Three fasteners appropriate for the mounting surface

(M4 screws or #8 screws)

• One 20 cm (8 in.) or longer piece of 35 mm DIN rail and

appropriate hardware for DIN rail mount (only)

• Small straight-blade screwdriver for securing wires in

the terminal blocks

FEC26 Field Equipment Controllers Installation Guide

2

Summary of Contents for FEC26 Series

Page 1: ...ld Controllers to be either the standard BACnet MS TP or the N2 protocol All new controllers use BACnet MS TP as the default communications protocol Switchable communications protocols in the MS TP models provide a cost effective upgrade and modernization path for customers with existing N2 controllers The N2 capable FEC Family Controllers can be used as functional replacements for legacy N2 contr...

Page 2: ...rts included One controller with removable terminal blocks Power SA bus and FC bus are removable One installation instructions sheet Materials and special tools needed Three fasteners appropriate for the mounting surface M4 screws or 8 screws One 20 cm 8 in or longer piece of 35 mm DIN rail and appropriate hardware for DIN rail mount only Small straight blade screwdriver for securing wires in the ...

Page 3: ... terminal block 11 Sensor Actuator SA Bus Terminal Block See SA bus terminal block 12 Sensor Actuator SA Bus RJ 12 6 pin Modular Jack See SA Bus port 13 Binary Input BI Terminal Block 2 Binary Inputs See Table 3 for more information 14 Universal Input UI Terminal Blocks 6 Universal Inputs See Table 3 for more information 15 LED Status Indicators See Table 9 for more information 16 Field Controller...

Page 4: ...at the top of the DIN rail channel on the back of the controller 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 bot tom mounting clips out to the extended position and care fully lift the controller off the DIN rail Wall mount applications To mount a cont...

Page 5: ... refer to the MS TP Communications Bus Technical Bulletin LIT 12011034 Terminal blocks and bus ports See for terminal block and bus port locations on the controller Observe the following guidelines when wiring a controller Input and Output terminal blocks All of the fixed input terminal blocks are mounted on the bottom of the controller and the output terminal blocks are mounted on the top of the ...

Page 6: ...rt is connected internally to the SA bus terminal block See Table 5 for more information The Sensor Port pin assignment is shown in Figure 6 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 HOT and COM terminals ...

Page 7: ...t terminals it also references guidelines for determining proper wire sizes and cable lengths In addition to the wiring guidelines 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 wir...

Page 8: ...4 Analog Input Resistive Mode 0 600k ohms Internal 12 V 15k ohms pull up Qualified Sensors 0 2k ohms 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 INn Binary Input Dry Contact Maintained Mode 1 second minimum pulse width Internal 12 ...

Page 9: ...ls Note All Analog Output Common terminals OCOMn are isolated from all other commons See Guideline C in Table 4 OUTn 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 BINARY Output Power Selection Jumper positioned to E...

Page 10: ...4 Cable length guidelines for recommended wire sizes for low voltage 30 V Inputs and Outputs Guideline Wire size Gauge and type Maximum cable length and type Assumptions 1 0 mm 18 AWG stranded copper 457 m 1 500 ft twisted wire 0 8 mm 20 AWG stranded copper 297 m 975 ft twisted wire 0 6 mm 22 AWG stranded copper 183 m 600 ft twisted wire A 0 5 mm 24 AWG stranded copper 107 m 350 ft twisted wire 10...

Page 11: ...l blocks functions ratings requirements and cables Terminal block Port label Terminal labels Function electrical ratings Requirements Recommended cable type FC Bus Communications COM Signal Reference Common for Bus communications FC BUS SHLD Isolated terminal optional shield drain connection 0 6 mm 22 AWG stranded 3 wire twisted shielded cable recommended FC BUS Port FC Bus RJ 12 6 Position Modula...

Page 12: ... diagrams Table 6 Termination details Type of field device Type of Input Output Termination diagrams Temperature Sensor UI Voltage Input External Source UI Voltage Input Internal Source 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 FEC26 Field Equipment Controllers Installation Guide 12 ...

Page 13: ...ation diagrams Current Input External Source in Loop UI Feedback from EPP 1000 UI Dry Contact Binary Input UI or BI 0 10 VDC Output to Actuator External Source CO or AO 0 10 VDC Output to Actuator Internal Source CO or AO FEC26 Field Equipment Controllers Installation Guide 13 ...

Page 14: ...A Output to Actuator CO or AO 4 20 mA Output to Actuator CO or AO Voltage Analog Output AO Analog Output Current AO 24 VAC Triac Output Switch Low External Source CO or AO Incremental Control to Actuator Switch Low Externally Sourced CO or AO FEC26 Field Equipment Controllers Installation Guide 14 ...

Page 15: ...lly Sourced CO or AO Incremental Control to Actuator Switch High Externally Sourced CO or AO Incremental Control to Actuator Switch Low Externally Sourced BO 24 VAC Binary Output Switch Low Externally Sourced BO Incremental Control to Actuator Switch High Externally Sourced BO FEC26 Field Equipment Controllers Installation Guide 15 ...

Page 16: ...que device address for each controller on the bus You set a controller s device address by setting the positions of the switches on the DIP switch block at the top of the controller Device addresses 4 through 127 are the valid addresses for these controllers The DIP switch block has eight switches numbered 128 64 32 16 8 4 2 and 1 Switches 64 through 1 are device address switches Switch 128 is a m...

Page 17: ... to be physically connected on the bus in their numerical device address order 5 Write each field controller s device address on the white label below the DIP switch block on the controller s cover Table 7 describes the FC bus and SA bus devices addresses for Johnson Controls MS TP communications bus applications Table 7 FC bus device address descriptions Device address Use on description 0 Switch...

Page 18: ...ails under the two cover lift tabs 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 latched ...

Page 19: ...jumpers to the right of the BOs terminal block Figure 12 Example binary outputs and the associated source power jumper positions Universal Input current loop jumpers The Universal Input UI 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 ...

Page 20: ...er an integral user interface or a remotely connected DIS1710 display refer to the DIS1710 Local Controller Display Technical Bulletin LIT 12011270 Commissioning the Controllers You commission the controllers with CCT software using either a MAP gateway a Bluetooth Wireless Commissioning Converter BCVT a USB dongle with ZigBee Ethernet connection or in BACnet router mode when connected to an NAE o...

Page 21: ... Bus Router Blink 2 Hz Download or Startup in progress not ready for normal operation SA BUS Green Blink 2 Hz Blink 2 Hz Data Transmission normal communication Off Steady No Data Transmission N A auto baud not supported On Steady Communication lost waiting to join communication ring FC BUS Green Blink 2 Hz Blink 2 Hz Data Transmission normal communication Off Steady No Data Transmission auto baud ...

Page 22: ... TBK3PW 0 Replacement Power Terminal Blocks 3 Position Gray Bulk Pack of 10 WNC1800 ZFR182x Pro Wireless field Bus System This system is used for installations that support BACnet IP but can also coexist with the ZFR1800 Series when installed under the same supervisor i e network engine Refer to the WNC1800 ZFR182x ProSeries Wireless Field Bus System Product Bulletin LIT 12012320 for a list of ava...

Page 23: ...roller device addresses 1 255 Communications Bus RS 485 field selectable between BACnet MS TP and N2 communications 3 wire FC Bus between supervisory controller and field controllers 4 wire SA Bus between field controller network sensors and other sensor actuator devices includes a lead to source 15 VDC supply power from field controller to bus devices N2 Open Protocol N2 FC Bus 1 0mm 18 AWG stand...

Page 24: ...Emissions Compliant Compliance BACnet International BACnet Testing Laboratories BTL Protocol Revision 9 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 shall not be liable for damages resultin...

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