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P/N 24-85737-769 Rev. Issue Date 11 2006 MD20 Master Display Installation Guide MD20 Master Display - Installation Guide Figure 1: Dimensions in mm (inches) Figure 2: Panel mounting I Figure 3: DIN rail mounting II Figure 4: Electronic Circuit Isolation Diagram Figure 5: LP-MD20D00-000C Wiring Diagram III Figure 6: LP-MD20D01-000C Wiring Diagram Figure 7: WLP-MD20D02-000C Wiring Diagram IV Figure 8: LP-MD20D03-000C Wiring Diagram Figure 9: LP-MD20D04-000C Wiring Diagram V Figure 10: LP-MD20D05-000C Wiring Diagram Figure 11: Connections details for the Printer Port VI Figure 12: Connections details for the GSM Modem Figure 13: Connections details for the direct connection to the PC VII Figure 14: Connection Details to use the RS232C port as an N2 Port for Firmware Downloading VIII Figure 15: Connection Details for N2 Open and N2 System 91 Devices on Local Link Bus IX Figure 16: Connection Details for I/O Expansion (LP-XT/LP-XP Modules) on Local Link Bus Figure 17: Connection Details for N2 Open port - Supervisory Link X Figure 18: Connection Details for LON port XI P/N 24-85737-769 Rev. Issue Date 11 2006 MD20 Master Display Installation Guide READ THIS INSTRUCTION SHEET AND THE SAFETY WARNINGS CAREFULLY BEFORE INSTALLING AND SAVE IT FOR FUTURE USE General Features • The MD20 Master Display is the supervisory controller of the Facility Explorer System. The MD20 Master Display monitors and interacts with a network of heating, ventilating, air conditioning and/or refrigeration (HVAC/R) controllers to form a complete building or equipment control system and provides operating data to local and remote users and operators via a number of different media options. • The MD20 Master Display is freely programmable using the FX Tools software package and the functions include centralized control and management of distributed applications as well as the display and communication features. • It is suitable for use in normal non-hazardous and non-corrosive environments. Figure 1: Dimensions in mm (inches) Mounting Figure 2: Panel mounting 1. Fixing brackets and gasket provided with LP-KIT020-000C: Panel Mount Kit for MD20. Make a cut-out in the panel. Ensure that there is at least 50 mm of free space on all sides of the cut-out to allow for the mounting and wiring of the MD20 Master Display. Remove the screw terminals (if already installed) and install the gasket on the Master Display. Insert the MD20 Master Display into the cut-out and secure in place using the fixing brackets. Check that the gasket is positioned correctly on the outside face of the panel to prevent the ingress of dust into the panel enclosure. Re-install the screw terminals. MD20 Master Display - Installation Guide 1 Figure 3: DIN rail mounting 1. Snap the controller onto the 35 mm DIN rail (1.38 inch). 2. To release the controller insert a screwdriver in Slots “A” and pull out the retaining clip. Since the retaining clip is spring-loaded, you can also remove the controller without a screwdriver by carefully pushing the controller up against the clip and then tilting the top forward to release the top lug from the DIN rail. Reverse the procedure to install again. • Keep all cables as short as possible and tie in position. • Wiring terminations for binary inputs and binary outputs are made by detachable connectors, which accept 1 x 1.5 mm2 / 16 AWG cable. Terminations of the Supervisor Link. Expansion Bus and Local Link are made via detachable connectors which accept 2 x 0.8 mm2 / 20 AWG cable. The connectors are provided with the controller. • Verify that the wiring has been correctly installed, and that voltage levels are appropriate for the various input signals according to the application. Installation Figure 4: Electronic Circuit Isolation Diagram All the inputs, outputs and the communication ports are isolated from the 24 VAC power supply and from the CPU, except for the RS232C ports to the printer and modem. (*) Not galvanically isolated from the CPU. Printer Port Local Supervisory RS232 Modem Link Link RS485 Comm Port Bus N2 N2Open 2 BO LP-MD20D00-000C 2 BI (Relay) • • 8 BO LP-MD20D01-000C 2 BI (Relay) • • • • • • • • • • 8 BO LP-MD20D02-000C 2 BI (Relay) 8 BO LP-MD20D03-000C 2 BI (Relay) 8 BO LP-MD20D04-000C 2 BI (Relay) 8 BO LP-MD20D05-000C 2 BI (Relay) BI: Binary Inputs. BO: Binary Outputs. 2 MD20 Master Display - Installation Guide • for download and commissioning only (as N2 port) for firmware download only (as N2 port) • • • LONWORKS® Outputs Product Code Number Inputs Table 1: Models • • • Figure 5: LP-MD20D00-000C Wiring Diagram Figure 6: LP-MD20D01-000C Wiring Diagram Figure 7: LP-MD20D02-000C Wiring Diagram Figure 8: LP-MD20D03-000C Wiring Diagram Figure 9: LP-MD20D04-000C Wiring Diagram Figure 10: LP-MD20D05-000C Wiring Diagram Figure 11: Connections details for the Printer Port Each model of the MD20 Master Display has a serial RS232 port for the connection of a serial printer that uses continuous fan-fold paper. (*) Serial Link cable (DB9 connectors) to be ordered separately from the printer supplier. Connections details for the RS232C-Modem communication port The RS232C - Modem Communication port allows the MD20 Master Display to be connected to a Modem (Standard Land Line or GSM) or via direct connection (NULL-Modem) to a PC. Figure 12: Connections details for the GSM Modem Figure 13: Connections details for the direct connection to the PC Table 2: Details of the RS232C connector on MD20 1 2 3 4 5 Modem - CD RX Data TX Data Reset DGND 6 7 8 9 10 Modem - DSR Modem - RTS Modem - CTS Modem - RI Modem - DTR 4 Reset. Used only with GSM Modem. WARNING: The serial link cable has to be pulled in a separate channel to the power supply line in order to reduce noise on the communication line. MD20 Master Display - Installation Guide 3 Table 3: COM port settings Parameter Value Bit per Second (Communication Speed) Data Length (Bits) Parity Stop Bits Flow Control 9600 8 None 1 None Figure 14: Connection Details to use the RS232C port as an N2 Port for Firmware Downloading 1. Serial DB9 Commissioning Adapter The RS232 Communication Port on the Master Display can be used for downloading firmware wiring the FX Loader utility when an N2 Open port is not available. This applies to the following models: LP-MD20D00-000C / LP-MD20D02-000C / LP-MD20D03-000C / LP-MD20D04-000C (see “Ordering Codes”). In order to perform the download operation: • Power off the MD20 Master Display. • Add the Serial DB9 Commissioning Adaptor LP-KIT007-015C between the null-modem cable and the PC. • Power on the MD20 Master Display. The RS232C port now responds as an N2 Port for download of firmware from FX Loader utility. Figure 15: Connection Details for N2 Open and N2 System 91 Devices on Local Link Bus All models of the MD20 Master Display have the Local Link Bus that supports controllers and devices with an N2 Open interface, including the controllers of the Facility Explorer System, and the DX-9100 and TC-9100 Series of controllers with an N2 System 91 communication interface. Controllers of the Facility Explorer System can be configured in the same way as other devices to be monitored and controlled by the MD20 Master Display. Alternatively up to eight Facility Explorer controllers can be more closely integrated into a common control system by including them in a Distributed Application in the MD20 Master Display. MD20 Master Display - Installation Guide 4 Figure 16: Connection Details for I/O Expansion (LP-XT/LP-XP Modules) on Local Link Bus The MD20 Master Display supports up to four LP-XT Extension modules with a variety of combinations of analog and binary, input and output points. Data from these modules can be used for display or as additional inputs and outputs for control routines in the MD20 Master Display or other connected controllers. Local Link Bus layout • Maximum bus length before installing a repeater: 1,200 m / 4,000 feet. • Install the RP-9100-810x to repeat and regenerate the RS-485 signal in case more than 31 N2 Devices have to be connected on the same N2 bus trunk and/or the N2 bus trunk length is more than 1,200 m. • Install 220-ohm end-of-line resistors at each end of the Bus line when the bus length is greater than 100 meters/330 feet. When the bus length is less than 100 meters/330 feet insert only one 220 Ohm resistor at the MD20 Master Display end only. • The network cable must be laid along a low voltage cable path. It must be placed at least at 30 cm from cables carrying high voltages or currents (>230V or >30A). If strong interference fields are expected, the cable must be located at the greatest distance possible from the source and the use of RS485 signal repeaters is strongly advised. Figure 17: Connection Details for N2 Open port Supervisory Link Availiable only for LP-MD20D01-000C / LP-MD20D05-000C (see “Ordering Codes”). The N2 Open port allows the MD20 Master Display to be connected to an N2 Open bus network through the RS485 standard or it can be used for downloading and commissioning purposes. Figure 18: Connection Details for LON port Available only for LP-MD20D02-000C / LP-MD20D04-000C / LP-MD20D05-000C (see “Ordering Codes”). The LONWORKS® port allows the MD20 Master Display to be connected to a LONWORKS® network and it is also used for downloading the application file using MD Loader. MD20 Master Display - Installation Guide 5 Ordering Codes Product Code Description Number MD20 Master Display LP-MD20Dxx-000C Graphic display and keyboard, 2 BI and printer driver, standard Johnson Controls labelling, no application LP-MD20D00-000C RS232C port for download / commissioning only and two relay outputs LP-MD20D01-000C RS485/N2 slave interface and 8 relays LP-MD20D02-000C RS232C port for download only and LONWORKS® (MIP) interface and 8 relays LP-MD20D03-000C RS232C port for modem/PC and 8 relays LP-MD20D04-000C RS232C port for modem/PC, LONWORKS® (MIP) interface and 8 relays LP-MD20D05-000C RS485/N2 slave interface, LONWORKS® (MIP) interface and 8 relays Accessories LP-KIT007-001C LP-KIT007-002C LP-KIT007-013C LP-KIT007-014C LP-KIT007-015C LP-KIT020-000C LP-KIT090-000C LP-KIT090-001C LP-KIT090-003C LP-KIT090-004C LP-KIT090-005C LP-KIT100-000C Link cable MD20 Master Display - STD modem - DB9, 1.5 m Link cable MD20 Master Display - GSM modem - DB15, 1.5 m NULL MODEM cable - RS232, 3 m NULL MODEM cable - RS232, 15 m Serial DB9 Commissioning Adapter Panel Mount Kit for MD20 Master Display MODEM GSM 900/1800 FastTrack GSM modem plug-in antenna GSM modem magnetic mount antenna - 2,5 m cable GSM modem panel mount antenna - 5 m GSM modem power adapter, 230 VAC / 12 VDC, wall plug Programming Key Expansion Modules LP-XT91D00-000C LP-XP91D02-000C LP-XP91D03-000C LP-XP91D04-000C LP-XP91D05-000C LP-XP91D06-000C LP-XP91D07-000C Extension module Expansion board: 6AI, 2AO. Expansion board: 8DO (triacs). Expansion board: 4DI, 4DO (triacs). Expansion board: 8DI. Expansion board: 4DO (relays) 230 VAC (Europe only). Expansion board: 4DO (relays) 24 VAC (North America only). Software LP-FXTPRO-0 FX Tools Pro CD-Rom (FX Builder, FX Builder Express, FX CommPro N2, FX CommPro LON) All the trade marks herein are the marks of their respective owners. This document is subject to change without notice MD20 Master Display - Installation Guide 6 Technical Specifications Product Codes Power Requirement Power Consumption Ambient Operating Conditions Ambient Storage Conditions Power Supply and I/O Terminals Display Screen Resolution Supervisory Port Communications Port Printer Port Comm. Speed LONWORKS® Interface Local Link Bus I/O Extension Bus Output Relay Contacts Input Binary Contacts Communication Terminals Dimensions (H x W x D) Housing Material Housing Protection Shipping Weight Compliance MD20 Master Display 24 VAC ±15% 50/60Hz Safety extra low voltage (SELV) 15 VA maximum -20 to 50 °C (-4 to +122 °F) 10 to 95% RH (non condensing) -20 to 70 °C (-4 to +158 °F) 10 to 95% RH (non condensing) Screw terminals for max 1.5mm2 (AWG16) wire 240 x 128 Pixels RS485 N2 Open Protocol at 9600 Baud RS232C PPP Protocol at 9600 Baud 9600 Baud FTT (Free Topology Transceiver) at 78 Kbps RS485 N2 Open/N2 System91 Protocol at 9600 Baud RS485 N2 XT-9100 Bus Protocol at 9600 Baud SPST 250VAC 5(1)A (Minimum closure time 100ms) Voltage-free, 1 kOhm maximum RS485 (N2) and LONWORKS® (FTT) – screw terminals for max 2 x 0.8 mm (AWG20) wire 147 x 252 x 52 mm (5.78 x 9.92 x 2.04 inc.) Self-extinguishing to UL94 5VB Front panel mounted: IP54 Rear of panel: IP30 (IEC529) 1 Kg (in delivery package) Europe • 89/336 EEC EMC EN 61000-6-3, EN 61000-6-1 • 72/23 EEC LV EN 60730 Canada • UL Listed (PAZX7), CAN/CSA C22.2 No. 205, Signal Equipment • UL Recognized (XAPX8), CAN/CSA C22.2 No. 24, Temperature Indicating and Regulating Equipment • Industry Canada, ICES-003. United States • UL Listed (PAZX), UL 916, Energy Management Equipment • UL Recognized (XAPX2), UL 873, Temperature Indicating and Regulating Equipment • FCC compliant to CFR 47, Part 15, Subpart B, Class A. MD20 Master Display - Installation Guide 7 Johnson Controls International, Inc. Headquarters: Milwaukee, Wisconsin, USA Branch Offices: Principal Cities World-wide