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Table 7: Communication bus and supply power terminal blocks, functions, ratings, requirements, and cables

Terminal block/Port label

Terminal labels

Function, electrical ratings/

Requirements

Recommended cable type

+
-

SA Bus Communications

COM

SA Bus Signal Reference and 15 VDC

Common

SA BUS

POWER

15 VDC Supply Power for Devices on the

SA Bus

0.6 mm (22 AWG) stranded, 4-wire

(2 twisted-pairs), shielded cable

recommended

Note:

The + and - wires are one

twisted pair, and the COM and

POWER wires are the second

twisted pair.

SA BUS (Port)

SA BUS (CVM)
Sensor (CVE)

RJ-12 6-Position Modular Port provides

SA Bus Communications.
SA Bus provides 15 VDC Power for the

following:

•

NS Series Sensors

•

MAP Gateway 4.2 or above

•

Wireless ZigBee WRZ-78xx Series

One-to-One Wireless Receiver

•

DIS1710 Local Controller Display

•

VAV Balancing Tool

24 AWG 3-pair CAT 3 Cable <30.5m

(100 ft)

HOT

24 VAC Power Supply - Hot

Supplies 20–30 VAC (Nominal 24VAC)

24V~

COM

24 VAC Power Supply Common

The CVM models only isolate this

terminal from the FC Bus common.

0.8 mm to 1.0 mm
(20 to 18 AWG) 2-wire

The FC Bus and SA Bus wiring recommendations in this table are for MS/TP Bus communications at 38.4k baud.

Termination diagrams

A set of Johnson Controls termination diagrams provides details for wiring inputs and outputs to the controllers. See the

figures in this section for the applicable termination diagrams.

Table 8: Termination details

Type of Field Device Type of Input/

Output

Termination diagrams

Voltage Input -

External Source

Voltage Input -

Internal Source

M4-CV Series VAV Box Controllers Installation Guide

Содержание CVE03050

Страница 1: ...de can be used to maintain or modernize sites with installed legacy Johnson Controls controllers For installation and commissioning support and tips for efficient and safe replacement refer to the Modernization Guide for Legacy N2 Controllers LIT 12012005 and the controller specific documentation For information about mapping N2 Objects in controllers with switchable communications protocols refer...

Страница 2: ... 5 Dual Port Fitting 6 Manual Override Button See Mounting 7 Coupler Bolt 8 Controller Coupler See Mounting 9 Universal Serial Bus USB 2 0 Host Type A Port Note The USB feature is not currently supported 10 Universal Inputs UI Terminal Block White terminals See Table 5 11 Sensor Actuator SA Bus Terminal Block Orange terminal See SA Bus terminal block 12 CVM only Field Controller FC Bus Terminal Bl...

Страница 3: ...osition of the shoulder washer and then drill a hole into the VAV box using a 3 5mm 9 64in drill bit Insert the mounting screw and tighten against the spacer Important Do not overtighten the screw or the threads may strip If mounting to the VAV box make sure the screws do not interfere with damper blade movement 4 Locate the damper position using the typical marking on the end of the damper shaft ...

Страница 4: ...N Risk of Electric Shock Disconnect the power supply before making electrical connections to avoid electric shock ATTENTION Risque de décharge électrique Débrancher l alimentation avant de réaliser tout raccordement électrique afin d éviter tout risque de décharge électrique Important Do not connect supply power to the controller before finishing wiring and checking all wiring connections Short ci...

Страница 5: ...k is a blue removable 4 pin terminal block that fits into a board mounted pin header When connecting the CVM to the FC Bus wire the bus terminal blocks on the controller and other FC Bus devices in a daisy chain configuration using 3 wire twisted shielded cable as shown in Figure 5 For more information about FC Bus terminal functions requirements and ratings see Table 7 Figure 5 FC Bus terminal bl...

Страница 6: ...nts The FC Bus port pin assignment is shown in Figure 7 Note When the CVM is configured for N2 network communication the FC Bus port is not used Supply power terminal block The 24 VAC supply power terminal block is a gray removable 2 pin terminal block that fits into a board mounted pin header on the upper left of the controller Wire the 24 VAC supply power wires from the transformer to the HOT an...

Страница 7: ...nnect the controller to 24 VAC Class 2 power Note If you are using the CVM03050 controller with the Wireless Field Bus System refer to the WNC1800 ZFR182x Pro Series Wireless Field Bus System Bulletin LIT 12012320 or the ZFR1800 Series Wireless Field Bus System Bulletin LIT 12011336 Terminal wiring guidelines functions ratings and requirements This section provides further guidelines on input and ...

Страница 8: ...Internal 12 V 15k ohm pull up See Guideline A in Table 6 UNIVERSAL Inputs UI C or UI Cn Universal Input Common for all Universal IN terminals Note All Universal UI C UI Cn terminals are isolated from all other commons Same as Universal UI n Analog Output Voltage Mode 0 10 VDC 10 VDC maximum output voltage 10 mA maximum output current External 1k to 50k ohm load required See Guideline A in Table 6 ...

Страница 9: ...3 m 600 ft twisted wire A 0 5mm 24 AWG stranded copper 107 m 350 ft twisted wire 107 m 350 ft twisted wire 100 mV maximum voltage drop Depending on the cable length and the connected input or output device you may have to define an offset in the setup software for the input or output point 1 0 mm 18 AWG stranded copper 229 m 750 ft twisted wire 0 8 mm 20 AWG stranded copper 297 m 975 ft twisted wi...

Страница 10: ...ss of wire size must be twisted insulated stranded copper wire Shielded cable is strongly recommended for all FC and SA Bus cables Communications bus and supply power terminal blocks ratings and requirements Table 7 Communication bus and supply power terminal blocks functions ratings requirements and cables Terminal block Port label Terminal labels Function electrical ratings Requirements Recommen...

Страница 11: ...or above Wireless ZigBee WRZ 78xx Series One to One Wireless Receiver DIS1710 Local Controller Display VAV Balancing Tool 24 AWG 3 pair CAT 3 Cable 30 5m 100 ft HOT 24 VAC Power Supply Hot Supplies 20 30 VAC Nominal 24VAC 24V COM 24 VAC Power Supply Common The CVM models only isolate this terminal from the FC Bus common 0 8 mm to 1 0 mm 20 to 18 AWG 2 wire 1 The FC Bus and SA Bus wiring recommenda...

Страница 12: ...Voltage Input Self Powered UI Temperature Sensor UI Dry Contact UI 0 10 VDC Output to Actuator External Source CO 0 10 VDC Output to Actuator Internal Source CO 24 VAC Triac Output Switch Low External Source CO Note Applies to CO4 and CO5 M4 CV Series VAV Box Controllers Installation Guide 12 ...

Страница 13: ...ternal Source CO Note Applies to CO4 and CO5 Analog Output Voltage CO Incremental Control to Actuator Switch Low Internally Sourced BO Note Applies to BO3 for only BO1 and BO2 24 VAC Binary Output Switch Low Internally Sourced BO Network Stat with Phone Jack Fixed Address 199 SA Bus M4 CV Series VAV Box Controllers Installation Guide 13 ...

Страница 14: ...red for N2 to the controller Switching the communications protocol from N2 to MS TP About this task For N2 sites that are converting to BACnet MS TP you can switch the communications protocol of N2 configured controllers back to BACnet MS TP To switch the CVM controller operating in N2 mode back into BACnet MS TP mode complete the following steps 1 Disconnect the 24 VAC supply from the controller ...

Страница 15: ...ss defined in the Controller Configuration Tool CCT under Define Hardware Network Settings To set the device addresses on controllers complete the following steps 1 Set a unique and sequential device address for each of the devices connected on the FC or SA starting with device address 4 2 To ensure the best bus performance set sequential device addresses with no gaps in the device address range 4...

Страница 16: ...Bulletin LIT 12011034 3 If the controller is a terminating device on the FC Bus set the EOL switch to ON If the controller is not a terminating device on the bus set the EOL switch to OFF When a controller is connected to power with its EOL switch set to ON the amber EOL LED on the controller cover is illuminated Input and output wiring validation The controllers ship with a cooling only warm or c...

Страница 17: ...Speed Series Fan Warm Cool Adjust Elec Reheat 1 3 Stg Series Fan SP Adj Single Duct Electric Staged Reheat with 1 2 or 3 Stages Single Speed Series Fan Setpoint Adjust Elec Reheat 1 3 Stg Parallel Fan W C Adj Single Duct Electric Staged Reheat with 1 2 or 3 Stages Parallel Fan Warm Cool Adjust Elec Reheat 1 3 Stg Parallel Fan SP Adj Single Duct Electric Staged Reheat with 1 2 or 3 Stages Parallel ...

Страница 18: ...link 2 Hz Blink 2 Hz Data transmission normal communication Off Steady No data transmission auto baud in progress On Steady communication lost waiting to join communication bus 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 bus FC EOL CVM models Amber Of...

Страница 19: ...OM there must be no short circuit Note Some installations require the secondary of the transformer to be Earth Grounded If this is the case verify that the Earth Ground connection is valid and not shared between multiple pieces of equipment Configurable output analog mode is invalid 0 10 V output is set to 10 100 but 0 V is at output terminals Output is in protection mode a state the analog portio...

Страница 20: ...g Product Bulletin LIT 12011640 for a list of available products WRZ SST 120 Wireless System Survey Tool for use with the lower power 10mW WRZ and WRZ 7860 systems Refer to the WRZ SST 120 Wireless Sensing System Tool Installation Instructions LIT 24 10563 55 for usage instructions WRG1830 ZFR183x Pro Wireless Field Bus System This system is used for installations that support BACnet IP but can al...

Страница 21: ... IN terminals for active 3 wire input devices Ambient Conditions Operating 0 C to 50 C 32 F to 122 F 10 to 90 RH noncondensing Storage 40 C to 70 C 40 F to 158 F 5 to 95 RH noncondensing Network Engines M4 CVM models All network engine model types M4 CVE03050 0P All network engine model types at R9 0 or later Communications Protocol M4 CVM models BACnet MS TP N2 Zigbee Wireless also supported at F...

Страница 22: ... lb Compliance United States UL Listed File E107041 CCN PAZX UL 916 Energy Management Equipment FCC Compliant to CFR47 Part 15 Subpart B Class A Suitable for Use in Other Environmental Air Space Plenums in Accordance with Section 300 22 C of the National Electrical Code Canada UL Listed File E107041 CCN PAZX7 CAN CSA C22 2 No 205 Signal Equipment Industry Canada Compliant ICES 003 Europe CE Mark J...

Страница 23: ...m Single point of contact APAC Europe NA SA JOHNSON CONTROLS C O CONTROLS PRODUCT MANAGEMENT NO 32 CHANGJIANG RD NEW DISTRICT WUXI JIANGSU PROVINCE 214028 CHINA JOHNSON CONTROLS VOLTAWEG 20 6101 XK ECHT THE NETHERLANDS JOHNSON CONTROLS 507 E MICHIGAN ST MILWAUKEE WI 53202 USA Contact information Contact your local branch office www johnsoncontrols com locations Contact Johnson Controls www johnson...

Страница 24: ... 2022 Johnson Controls All rights reserved All specifications and other information shown were current as of document revision and are subject to change without notice www johnsoncontrols com ...

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