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Removing the Controller Cover

Important:

Electrostatic discharge can damage controller components. Use proper electrostatic discharge
precautions during installation, setup, and servicing to avoid damaging the controller.

Important:

Disconnect all power sources to the controller before removing the cover and changing the position of
any jumper or the EOL switch on the controller. Failure to disconnect power before changing a jumper
or EOL switch position can result in damage to the controller and void any warranties.

The controller cover is held in place by four plastic latches that extend from the base and snap into slots on the
inside of the housing cover.

To remove the controller cover:

1. Place your fingernails 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 latched position.

Figure 10: FEC16 with Cover Removed Showing EOL Switch and Jumper Positions

Setting the End-of-Line (EOL) Switch

Each controller has an EOL switch, which, when set to ON, sets the controller as a terminating device on the bus.
See

Figure 10

for the EOL switch location. The default EOL switch position is Off.

Figure 11: End-of-Line Switch Positions

To set the EOL switch on a controller:

1. Determine the physical location of the controller on the FC bus.

2. Determine if the controller must be set as a terminating device on the bus.

Note:

Refer to the

MS/TP Communications Bus Technical Bulletin (LIT-12011034)

for detailed information about

EOL termination rules and EOL switch settings on FC buses.

Refer to the

N2 Communications Bus Technical Bulletin (LIT-636018)

for detailed information about EOL

termination rules and EOL switch settings on N2 buses.

22

FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

Summary of Contents for FEC1611

Page 1: ...C field controllers and the VMA1930 Field Controller are BTL listed as BACnet Advanced Application Controllers B AACs Release 10 1 and later of the Controller Configuration Tool CCT can be used to switch the Field Bus communications protocol in supported FEC FAC and VMA controllers to be either the standard BACnet MS TP or the N2 protocol All new controllers use either BACnet MS TP as the default ...

Page 2: ...ntroller on a hard even surface whenever possible in wall mount applications Use shims or washers to mount the controller securely and evenly on the mounting surface Mount the controller in an area free of corrosive vapors and observe the Ambient Conditions requirements in Table 10 Provide for sufficient space around the controller for cable and wire connections for easy cover removal and good ven...

Page 3: ... the extended position and carefully lift the controller off the DIN rail Wall Mount Applications To mount a field controller directly on a wall or other flat vertical surface 1 Pull the two bottom mounting clips outward and ensure they are locked in the extended position as shown in Figure 2 2 Mark the three mounting hole locations on the wall using the dimensions in Figure 2 and one of the mount...

Page 4: ...Figure 2 Back of Controller Showing Extended Mounting Clips DIN Rail Channel and Mounting Dimensions mm in 4 FEC1611 and FEC1621 Field Equipment Controller Installation Instructions ...

Page 5: ...ons see Setting Up an Integral or Local Display Note Not available on all FEC models 7 LCD Display Area see Setting Up an Integral or Local Display Note Not available on all FEC models 8 FC Bus Terminal Block see FC Bus Terminal Block 9 Sensor Actuator SA Bus Terminal Block see SA Bus Terminal Block 10 Sensor Port Sensor Actuator SA Bus RJ 12 6 pin Modular Jack see Figure 6 11 Binary Inputs BIs Te...

Page 6: ...controller components Use proper electrostatic discharge precautions during installation setup and servicing to avoid damaging the controller For detailed information on configuring and wiring an MS TP Bus FC bus and SA bus refer to the MS TP Communications Bus Technical Bulletin LIT 12011034 For detailed information on wiring an N2 bus refer to the N2 Communications Bus Technical Bulletin LIT 636...

Page 7: ...unted jack Wire the removable SA Bus terminal block plugs on the controller and other SA Bus devices in a daisy chain configuration using 4 wire twisted shielded cable as shown in Figure 5 See Table 5 for more information Figure 5 SA Bus Terminal Block Wiring Note The SA PWR terminal supplies 15 VDC The SA PWR terminal can be used to connect daisy chain the 15 VDC power leads on the SA bus 7 FEC16...

Page 8: ...ied network sensors or other SA Bus devices with RJ 12 plugs When the FEC is configured for N2 communication the SA Bus port must be used to download and commission the controller A DIS1710 Local Controller Display also can be connected to the SA Bus port but only on FEC models without integral display and pushbuttons The Sensor port is connected internally to the SA bus terminal block See Table 5...

Page 9: ...ss network applications do not connect any wires to the FC Bus terminal block Connect the SA FC terminal block on an Input Output Module IOM to an SA bus only 2 Connect the ZFR ZFR Pro Wireless Field Bus Router to the FC bus port RJ 12 modular jack on the front of the controller 3 Ensure that the controller s device address DIP switches are set to the correct device address See Setting the Device ...

Page 10: ...d Device UI 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 10 FEC1611 and FEC1621 Field Equipment Controller Installation Instructions ...

Page 11: ...n Loop UI Feedback from EPP 1000 UI or BI Dry Contact Binary Input Note Add jumper from 24 VAC Com to only one CO Com on FEC16xx or only one AO Com or CO com on FEC26xx per transformer CO or AO 0 10 VDC Output to Actuator External Source CO or AO 0 10 VDC Output to Actuator Internal Source 11 FEC1611 and FEC1621 Field Equipment Controller Installation Instructions ...

Page 12: ... Control to Actuator Switch Low Externally Sourced CO or AO 24 VAC Binary Output Switch High Externally Sourced CO or AO Incremental Control to Actuator Switch High Externally Sourced BO 24 VAC Binary Output Switch Low Externally Sourced BO 24 VAC Binary Output Switch High Externally Sourced 12 FEC1611 and FEC1621 Field Equipment Controller Installation Instructions ...

Page 13: ...of Field Device BO Incremental Control to Actuator Switch Low Externally Sourced BO Incremental Control to Actuator Switch High Externally Sourced SA Bus Network Stat with Phone Jack Fixed Address 199 13 FEC1611 and FEC1621 Field Equipment Controller Installation Instructions ...

Page 14: ...nes 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 cabl...

Page 15: ... 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 Common for al...

Page 16: ... Each Binary Output Common terminal OCOMn is isolated from all other commons including other Binary Output Common terminals OCOMn See Guideline C in Table 4 Binary Output 24 VAC Triac Internal Power Source Model FEC1611 0 Sources internal 24 VAC power 24 COM Model FEC1611 1 Sources internal 24 VAC power 24 HOT OUTn BINARY Output Power Selection Jumper positioned to Internal INT power Binary Output...

Page 17: ...r the various wire sizes that may be used for wiring low voltage 30 V input and outputs Table 4 Cable Length Guidelines for Recommended Wire Sizes for Low Voltage 30 V Inputs and Outputs Assumptions Maximum Cable Length and Type Wire Size Gauge and Type Guideline 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 so...

Page 18: ...lines 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 cop...

Page 19: ...pair CAT3 cable 30 5 m 100 ft RJ 12 6 Position Modular Connector provides SA Bus Communications SA Bus Signal Reference and 15 VDC Common 15 VDC Power for devices on the SA bus and Wireless Commissioning Converter Sensor Sensor 1 0 8 mm to 1 0 mm 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 con...

Page 20: ...N only for controllers on a ZFR ZFR Pro 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 to 127 is connected to a wired field bus the entire field bus is render...

Page 21: ...configured controllers support the full range of possible N2 device addresses provided by the N2 protocol standard 1 255 However these controllers require special configuration for addresses above 127 Use the following instructions for controllers greater than 127 Note Before you perform this procedure make sure that your controller has been converted from BACnet to N2 protocol first Refer to the ...

Page 22: ...urther 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 position Figure 10 FEC16 with Cover Removed Showing EOL Switch and Jumper Positions Setting the End of Line EOL Switch Each controller has an EOL switch which when set to ON sets the controller as a ter...

Page 23: ...ower source jumper is in the internal power INT position Connecting external power to a BO that sources internal power can damage the controller and void any warranties The BO source power selection jumpers determine whether a BO provides internal power sourced from the controller to the output load INT position or requires an external power source EXT position for the output load Figure 12 shows ...

Page 24: ...EC1611 models do not have an integral display but can be connected to a DIS1710 Local Controller Display For detailed information on setting up and operating either an integral user interface or a remotely connected DIS1710 display refer to the DIS1710 Local Controller Display Technical Bulletin LIT 12011270 Commissioning Controllers You commission field controllers with the Controller Configurati...

Page 25: ...ata Transmission normal communication Off Steady No Data Transmission N A auto baud not supported On Steady Communication lost waiting to join communication ring Blink 2 Hz Green SA BUS Blink 2 Hz Data Transmission normal communication Off Steady No Data Transmission auto baud in progress On Steady Communication lost waiting to join communication ring Blink 2 Hz Green FC BUS On Steady EOL switch i...

Page 26: ...ss Field Bus System This system is used for installations that only support BACnet MS TP Refer to the ZFR1800 Series Wireless Field Bus System Product Bulletin LIT 12011336 for a list of available products ZFR1800 Series Wireless Field Bus System Refer to the NS Series Network Sensors Product Bulletin LIT 12011574 for specific sensor model descriptions NS Series Network Sensors Refer to the WRZ Se...

Page 27: ...M Memory 2 Universal Inputs Defined as 0 10 VDC 4 20 mA 0 600k ohm or Binary Dry Contact 2 Binary Input 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 Input and Output Capabilities Input 16 bit resolution O...

Page 28: ...rm 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 resulting from misapplication or misuse of its products APAC Single Point of Contact NA SA Single Point of Contact European Single Point of Contact JOHNSON CONTROLS C O CONTROLS PRODUCT MANAGEMENT NO 22 BLOCK D NEW D...

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