GenII MZS REM Product Details - Innotech Control Systems

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GenII MZS REM

Digital / Remote Expansion Modules

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The Innotech GenII MZS REM Multi Zone Station Module is an expansion device for the Genesis range of Digital Controllers.

The module is powered by 24VAC and provides a limited User Interface to the Genesis Controller. There are no physical connections between field equipment and the GenII MZS REM, all input/output values are edited and viewed on the wall unit.

The GenII MZS REM may be located remotely from the Genesis Controller providing a distributed User Interface for the system.

The GenII MZS REM communicates with the Genesis Controller via the REM Comms port. The remote link uses RS-485 at a baud rate of 38400. For pre-Version 5 controllers, a Gen II RMI Remote Module Interface is required. Please refer to DS15.01 for further information.

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One three decimal place numberical value input.
One three decimal place numerical output.
One toggle digital input.
One LED digital display output.
One ‘current zone’ input.
Housed in a switchplate that mounts in standard electrical wall plates.
RS485 interconnection between REM Modules.
24V AC operation.
Wiring Diagrams for modules Generated by Gen2Config Software.
Adjustable user input range.
Configurable power on settings.
Display Auto Dim when lights out.
LED indication of network traffic on rear to ease debugging & setup.

Expands Genesis Controller capabilities by providing a numeric output display, numerical value input, a single toggle digital input switch and single LED display output for distributed control via RS485. The GenII MZS REM Module provides a visual display of upto 6 control values and a means to set up to 6 parameters.

Application Notes
A Genesis Controller must have version 4 firmware installed to support REM Modules. Version 4.0 or higher Config Software must be used to configure a Genesis Digital Controller that has REM Modules connected to it.

One Genesis Controller can have up to 15 GenII MZS REM Modules* connected to it via the REM comms bus. For detailed connection information to the pre version 5 Genesis Digital Controller Family, please refer to Innotech Cabling Manual (.pdf 1.54MB).

	FCC	https://www.fcc.gov FCC marking indicates that the product conforms with the regulations of the U.S. Federal Communications Commission (FCC) for microprocessor-based equipment.
	RCM	https://www.acma.gov.au The RCM compliance mark indicates that a device complies with applicable radiocommunication and electrical safety standards.
	UL	https://www.ul.com UL marking for USA and Canada indicates that the product conforms with the safety standards laid down by Underwriters Laboratories.

Power Supply

Voltage: 24 volts AC ±10% @ 50/60Hz.
Power Consumption: 3VA max.

The operating voltage must meet the requirements of Safety Extra Low Voltage (SELV) to EN60730. The transformer used must be a Class 2 safety transfomer that has the energy and voltage limiting characteritics as described in the National Electrical Code, ANSI/NFPA70. It must also be sized and fused in compliance with local safety regulations.

Inputs

Push buttons for adjusting control values.
Push button for toggling of “digital function”.
Push button for zone selection.

Outputs

No physical ouputs.
Display of Temperature and Setpoint.

Terminal Identification

1 = 24V AC Supply.
2 = 0V AC Supply.
3 = Earth.

NOTE - Terminal 3 is for the protection of the Comms circuitry and must be connected to a good electrical bonded Earth.

COMMS Connection

SHLD 1	=	Shield from incoming Comms Cable.
+	=	RS 485 (+) signal.
-	=	RS 485 (-) signal.
SHLD 2	=	Shield from outgoing Comms Cable.

Temperature Ratings

Storage 0 to 50°C non-condensing.
Operating 0 to 40°C non-condensing.

Installation

The Cable run between the GenII MZS REM and the GenII RMI should not exceed 500 mtrs. The Comms wiring requires cable especially suited for RS485. Other shielded cable is not suitable and may cause spasmodic Comms failures.
Strictly follow the guidelines when installing the Comms wiring as outlined in the Genesis II Installation Manual.
Mount the GenII MZS REM in a dry and clean location free of excess vibration.

The REM Address must be set by Programming Parameter 0. Please refer to the Progam Functions section of this data sheet for more specific information regarding this.

Wiring

The cable used for RS485 Comms must be shielded single twisted pair, 120 ohms character impedence, 36 to 45pF per metre capacitance between conductors.
The Comms cable must be organised as a bus topology. That is, starting at one end, devices are connected to it until the other end of the cable is reached. No “stubs” are allowed. To connect a device to the cable, as cut is made in the cable at the point where the device is to be situated along it. Then, the two new ends of the cable are wired into the device. The shields from the two new ends are then terminated into the terminals marked SHLD1 and SHLD2. Refer to the Genesis System Network Installation Instructions for more information.