1. LIEBERT MONITORING GROUP INSTALLATION &USER MANUALNetwork Interface Card OpenComms

Installation 9 Figure 2. Deluxe System/3 Control Cavity Figure 3. Deluxe System/3 Chilled Water Control Cavity

10 Installation Figure 4. ICS Control Cavity

Installation 11 Figure 5. Challenger Installation Location The OpenComms Network card mounts to the L-plate for Challenger units.

12 Installation System Wiring (SM, AM, AG Microprocessors) Two wiring harnesses are included with the retrofit kit, one for the power connection

Installation 13 Caution: Do NOT tap power from the auxiliary 24VAC terminals T5/G5 on the SM/AM/AG environmental controllers. Damage to controller a

14 Installation MiniMate2 and Units Where Internal Mounting is Not Feasible An enclosure is recommended for use with ceiling-mounted environment

Installation 15 NPower Installation As a minimum there will be an IFM board (communications interface) mounted at the mid-point on the door. Other

16 Installation Figure 7. Npower UPS Installation

Installation 17 USER CONNECTIONS FOR OPENCOMMS NIC Since the OpenComms NIC can use simultaneous connections, Up to 3 user connections are may be req

18 System Configuration Section 3: SYSTEM CONFIGURATION DIP SWITCH SETTINGS A four-position DIP switch is provided, but no user configuration

System Configuration 19 Service Terminal Navigat ion Main Menu 1. System Information 1.1 Name 1.2 Contact 1.3 Location 1.4 Description 2.

20 System Configuration 1. System Information Menu The System Information Menu seeks descriptive input to enable the unit to be identified. Thi

System Configuration 21 is received. When this condition is encountered, pushing the "enter" key returns the unit to the service terminal m

22 System Configuration 5. Firmware Update Menu The Firmware Update Menu is intended for Liebert service personnel only. No user configurable p

NIC Setup and Testing 23 Section 4: OPERATION SNMP The OpenComms Network Interface Card supports “get,” “getnext,” “set,” “response” and “trap” p

24 NIC Setup and Testing provides the condition ID, the condition description, and the condition time. RFC 1628 UPS MIB UPS units log alarms i

NIC Setup and Testing 25 The MIBs for the OpenComms Network Interface Card are available for download on the Liebert Web site, www.liebert.com. Navig

26 NIC Setup and Testing MODBUS RTU See Section 5 for a complete explanation of the Modbus slave. SYSTEM RESET The OpenComms Network card cont

NIC Setup and Testing 27 DS13 IGM Port Transmit DS14-19 Not used Figure 8. LED Locations

28 NIC Setup and Testing Section 5: MODBUS COMMUNICATIONS & CONNECTIVITY This section describes the Modbus communications protocol as suppo

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NIC Setup and Testing 29 delay time if HTTP, SNMP and Modbus are going to be utilized simultaneously. TRANSMISSION FORMAT The OpenComms NIC module s

30 NIC Setup and Testing Maximum of 32 deviceswith a total cable length of4000feet.Modbus RTU MasterEIA-485 9600,N,8,1Figure 9. Typical Maximum

NIC Setup and Testing 31 Maximum of 32 deviceswith a total cable length of4000feet.Modbus RTU MasterEIA-485 9600,N,8,1RMaximum of 32 deviceswith a to

32 NIC Setup and Testing A datum should consist of one or multiple registers. The leftmost byte contains the MSB and the rightmost byte contains

NIC Setup and Testing 33 Up to 125 input registers can be read by a single query using function code 0x04. Read, Set Coil Status (0x01, 0x05, 0x0F)

34 NIC Setup and Testing Exception Response Server Address Function Code (0x80) Exception code 16 bit CRC 1 byte 1 byte 1 bytes 2 bytes Excep

NIC Setup and Testing 35 Function Code: The function code field tells the addressed slaves what function to perform. Function codes are specificall

36 NIC Setup and Testing RTU Framing Examples READ REGISTERS (FUNCTION CODE 0X03 & 0X04) Query: for reading holding /input registers (req

NIC Setup and Testing 37 Section 6: NIC Setup and Testing The NIC has a specific setup that must be in place before the card will function properly.

38 NIC Setup and Testing requests. Once the information has been verified, press <escape> to return to the main menu and select “x” to exi

Table of Contents Section 1: INTRODUCTION ...6 Specifications...

NIC Setup and Testing 39 Once this information is verified, reboot the card and try to access SNMP again. WEB TROUBLESHOOTING If the card does not s

40 NIC Setup and Testing Also verify that the proper slave ID has be set in service terminal. Refer to Section 3 for initiating a service termi

NIC Setup and Testing 41 While every precaution has been taken to ensure accuracy and completeness in this literature, LiebertCorporation assumes no

Read/Write Holding Registers (0x03, 0x06, 0x10)...32 Read Input Registers (0x04)...32 R

EthernetInternet WebBrowserOpenCommsNICNetwork Management SystemBuilding ManagementSystemModbus EIA-485 Figure 1. Typical Installation

6 Installation Section 1: INTRODUCTION The Liebert OpenComms Network Interface Card provides multiple connectivity options for your Liebert equi

Installation 7 SPECIFICATIONS Electrical Requirements: Voltage: 18VAC to 24VAC 50/60 Hz, Single Phase 12VDC to 36VDC Power: 6VA maximum Environ

8 Installation Section 2: INSTALLATION The OpenComms NIC card may be ordered as a factory installed option, or in a kit for field retrofit to ex