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Technical specifications

Table 14: Technical specifications

Product Code Numbers

M4-CGM09090-0 

General Purpose Application Controller

Includes: MS/TP (and N2) communication; 18 points (7 UI, 2 BI, 4 CO, 2 AO, 3 BO); real-

time clock; 32-bit microprocessor; 24VAC input

Power Requirement

24 VAC (nominal, 20 VAC minimum/30 VAC maximum), 50/60 Hz, Power Supply Class 2

(North America), Safety Extra-Low Voltage (SELV) (Europe)

Power Consumption

14 VA maximum

Note: 

The USB feature is not currently supported.

Note: 

The VA rating does 

not

 include any power supplied to the peripheral devices

connected to Binary Outputs (BOs) or Configurable Outputs (COs), which can

consume up to 12 VA for each BO or CO; for a possible total consumption of an

additional 84 VA (maximum).

Power Source

+15 VDC power source terminals provide 100 mA total current. Quantity 2 located in

Universal 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 80°C (-40°F to 176°F); 5% to 95% RH noncondensing

Network Engines

All network engine model types

Communications Protocol

BACnet MS/TP; N2. Wireless also supported (at FC Bus and for Sensors) with additional

hardware.

Device Addressing for BACnet MS/TP

Decimal address set via three rotary switches; valid controller device addresses 4-127

Device Addressing for N2

Decimal address set via three rotary switches: valid controller device addresses 1-254

Communications Bus

BACnet MS/TP (default); N2
3-wire FC Bus between the supervisory controller and equipment controllers
4-wire SA Bus between equipment controller, network sensors and other sensor/actuator

devices, includes a lead to source 15 VDC supply power (from equipment controller) to

bus devices.

Processor

RX64M Renesas

®

 32-Bit microcontroller

Memory

16 MB flash memory and 8 MB SDRAM

Real-Time Clock Backup Power Supply

Super capacitor maintains power to the onboard real-time clock for a minimum of 72

hours when supply power to the controller is disconnected.

Input and Output Capabilities

Universal Inputs:

 Defined as 0–10 VDC, 4–20 mA, 0–600k ohms, or Binary Dry Contact

Binary Inputs:

 Defined as Dry Contact Maintained or Pulse Counter/Accumulator Mode

Configurable Outputs

 Defined as 0-10 VDC or 24 VAC Triac BO

Analog Outputs:

 Defined as 0–10 VDC or 4–20 mA

Binary Outputs: 

 Defined as 24 VAC Triac (external power source only)

Universal Input (UI) Resolution/ Analog

Output (AO) Accuracy

Input: 

24-bit Analog to Digital converter

Output:

 +/- 200 mV accuracy in 0–10 VDC applications

Terminations

Input/Output:

 Pluggable Screw Terminal Blocks

SA/FC Bus and Supply Power:

 4-Wire and 2-Wire Pluggable Screw Terminal Blocks

SA/FC Bus Port:

 RJ-12 6-Pin Modular Jacks

Mounting

Horizontal on single 35 mm DIN rail mount (recommended), or screw mount on flat

surface with three integral mounting clips on controller

Housing

Enclosure material:

 ABS and polycarbonate UL94 5VB; Self-extinguishing

Protection Class: IP20 (IEC529)

Dimensions (Height x Width x Depth)

150 mm x 190 mm x 44.5 mm (5-7/8 in. x 7-1/2 in. x 2-1/8 in.) including terminals and

mounting clips

Note: 

Mounting space requires an additional 50 mm (2 in.) space on top,

bottom, and front face of controller for easy cover removal, ventilation, and wire

terminations.

Weight

0.5 kg (1.1 lb)

M4-CGM General Purpose Application Controllers Installation Guide

25

Summary of Contents for M4-CGM Series

Page 1: ...nications protocols refer to the N2 Compatibility Options chapter of the Controller Tool Help LIT 12011147 To configure CGM controllers to communicate using the N2 communications protocol see Configuring N2 communications The CGM controller can also be installed in a wireless application using aZFR ZFR Pro Wireless Field Bus Router To configure these controllers to communicate using the wireless c...

Page 2: ...A bus terminal block 8 Field Controller FC Bus Terminal Block Blue terminal see FC bus terminal block or N2 protocol as required 9 End of Line EOL Switch see Setting the End of Line EOL switch 10 Universal Serial Bus USB 2 0 host type A Port Note The USB feature is not currently supported 11 Binary Input BI Terminal Block White terminals dry Contact Maintained or Pulse Counter Accumulator Mode see...

Page 3: ...il recommended method complete the following steps 1 Securely mount a 20 cm 8 in or longer section of 35 mm DIN rail horizontal and centered in the desired space so that the controller mounts in the horizontal position 2 Pull the two bottom mounting clips outward from the controller to the extended position Figure 3 3 Hang the controller on the DIN rail by the hooks at the top of the DIN rail chan...

Page 4: ...t ou connectés de façon incor recte risquent d endommager irrémédiablement l équipement Important Do not exceed the controller electrical ratings Exceeding controller electrical ratings can result in permanent damage to the controller and void any warranty Important Use copper conductors only Make all wiring in accordance with local national and regional regulations Important Electrostatic dischar...

Page 5: ...the controller and other SA bus devices in a daisy chain configuration See Terminal wiring guidelines functions ratings and requirements for more information Figure 5 SA Bus Terminal Block Wiring Table 3 SA bus configuration Description 1 Wiring for a terminating device on SA bus 2 SA bus terminal block plugs 3 Wiring for a daisy chained device on SA bus 4 Cable shield connection Note Connect the ...

Page 6: ...terminal plug as shown in Figure 7 For more information about the Supply Power Terminal Block see Table 7 Figure 7 24 VAC supply power terminal block wiring Table 4 Supply power terminal block wiring Description 1 Supply power terminal block 2 Supply power terminal header 3 Wires from Johnson Controls 24 VAC class 2 power transformer 4 24 VAC Orange wire 5 COM Brown wire Note The supply power wire...

Page 7: ...requirements Determine wire size and maximum cable length 15 V 15 VDC Power Source for active 3 wire input devices connected to the Universal INn terminals Provides 100 mA total current Same as Universal INn Note Use 3 wire cable for devices that source power from the 15V terminal Analog Input Voltage Mode 0 10 VDC 10 VDC maximum input voltage Internal 10k ohm Pull down See Guideline A in Table 6 ...

Page 8: ...rrent See Guideline C in Table 6 CONFIGURABLE Outputs OCOMn 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 Signal Common All Configurable Outputs COs defined as Binary Outputs are isolated from all other commons including other CO commons Same as Configurable...

Page 9: ...e 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 297 m 975 ft twisted wire 0 6 mm 22 AWG stranded copper 183 m 600 ft twisted wire 183 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 dro...

Page 10: ...s for wiring the controller s communication buses and supply power Important Refer to the N2 Modernization Guide for Legacy N2 Controllers LIT 12012005 for guidelines when you use this device on an N2 bus In addition to the guidelines in Table 7 observe the following guidelines when you wire an FC or SA bus and the 24 VAC supply power Run all low voltage wiring and cables separate from high voltag...

Page 11: ...t draw for SA Bus is 240 mA 0 6 mm 22 AWG stranded 4 wire 2 twisted pairs shielded cable recommended Note The and wire are one twisted pair and the COM and SA PWR are the second twisted pair of wires SA BUS Port 2 SA BUS 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 BTCVT 24 AWG 3 pair CAT3 cab...

Page 12: ... figures in this section for the applicable termination diagrams Table 8 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 M4 CGM General Purpose Application Controllers Installation Guide 12 ...

Page 13: ...mination diagrams 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 UI M4 CGM General Purpose Application Controllers Installation Guide 13 ...

Page 14: ...tion diagrams Dry Contact Binary Input UI or BI 0 10 VDC Output to Actuator External Source AO 0 10 VDC Output to Actuator Internal Source AO Current Output AO 24 VAC Triac Output Switch Low External Source AO M4 CGM General Purpose Application Controllers Installation Guide 14 ...

Page 15: ... diagrams Analog Output Current AO 4 20 mA Output to Actuator AO 4 20 mA Output to Actuator AO Incremental Control to Actuator Switch Low Externally Sourced BO 24 VAC Binary Output Switch Low Externally Sourced BO M4 CGM General Purpose Application Controllers Installation Guide 15 ...

Page 16: ...ncremental Control to Actuator Switch High Externally Sourced BO Network Stat with Phone Jack Fixed Address 199 SA Bus Note The bottom jack J2 on the TE 700 and TE 6x00 Series Sensors is not usable as a zone bus or an SAB connection Network Stat with Terminals Addressable SA Bus M4 CGM General Purpose Application Controllers Installation Guide 16 ...

Page 17: ...nverting to BACnet MS TP you can switch the communications protocol of N2 configured MS TP controllers back to BACnet MS TP To switch the CGM controller operating in N2 mode back into BACnet MS TP mode complete the following steps 1 Disconnect the 24 VAC supply from the controller 2 Set the address switches to the desired BACnet MS TP address For details about setting a device address see Setting ...

Page 18: ...mmunication protocol is wired MS TP Zigbee Wireless or N2 on the FC Bus The device address is a decimal address that is set using three rotary switches The numbers are ordered from left to right most significant bit MSB to least significant bit LSB when the controller is oriented as shown in CGM09090 physical features In the following figure the switches are set to 1 2 3 designating this controlle...

Page 19: ...lure 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 complete the following steps 1 Place your fingertips under the two cover lift tabs CGM0909...

Page 20: ...l 100 ohm load resister is disconnected and the 4 20mA current loop is open Figure 13 Exchange enable and default settings Setting the current loop jumper to the Enabled position Figure 13 connects an internal 100 ohm resistor across the UI terminals which maintains the 4 20 mA current loop circuit even when power to the controller is interrupted or off Important Current Loop jumpers must be in th...

Page 21: ...ork Sensor the startup of this default state will be delayed by 30 seconds as the controller attempts to establish connection with the sensor Commissioning equipment controllers You commission MS TP equipment controllers with the CCT software using either MAP Gateway a BTCVT a ZFR wireless dongle or in passthrough mode when connected to an NAE or NCE For detailed information about commissioning fi...

Page 22: ...eless Field Bus Router Blink 2 Hz Download or Startup in progress not ready for normal operation Rapid blink SA Bus communications issue 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 commu...

Page 23: ...60 0 Refer to the WRZ 7860 Receiver for One to One Wireless Room Sensing Product Bulletin LIT 12011640 for a list of available products WRZ SST 120 Refer to the WRZ SST 120 Wireless Sensing System Tool Installation Instructions LIT 24 10563 55 for usage instructions WNC1800 ZFR182x Pro Wireless Field Bus System Refer to the WNC1800 ZFR182x Pro Series Wireless Field Bus System Product Bulletin LIT ...

Page 24: ...communications bus that connects supervisory controllers and equipment controllers to field point interfaces The FIT can be used to check out the wiring of the MS TP RS 485 bus as well as verify proper communications of supervisory controllers and equipment controllers connected to the bus The FIT can be used on both the FC Bus and SA Bus TL BRTRP 0 Portable BACnet IP to MS TP Router M4 CGM Genera...

Page 25: ...us between equipment controller network sensors and other sensor actuator devices includes a lead to source 15 VDC supply power from equipment controller to bus devices Processor RX64M Renesas 32 Bit microcontroller Memory 16 MB flash memory and 8 MB SDRAM Real Time Clock Backup Power Supply Super capacitor maintains power to the onboard real time clock for a minimum of 72 hours when supply power ...

Page 26: ...re 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 resulting from misapplication or misuse of its products Product warranty This product is covered by a limited warranty details of which can be found at www johnsoncontrols com buildingswarranty Si...

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