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Niobrara R&D Corp Compact PLC Upgrades With the CERI
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Niobrara R&D Corp Technology-Driven Growth Company − Specializing in Data Communication Products − Complete design/manufacturing facilities Founded 1987 − Joplin, Missouri USA Products Distributed Worldwide − Through Schneider Electric Channels
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Compact 984 Upgrades: CERI Replace Compact PLC −Double width module −Keep the same racks −Supports up to 3 expansion racks Ethernet Distributed I/O from any Modbus/TCP Master −Quantum I/O Scanner −M340 NOE I/O Scanner −Premium I/O Scanner −Momentum I/O Scanner
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CERI (Continued) Power Supply −3.0A power supply −24 VDC input with switch −Power and Overload lights −Removable connector 100BaseT Ethernet −Web server for configuration and status −Modbus/TCP I/O control and configuration −Firmware upgrades RS-232 Serial Port −Firmware upgrades −Configuration and Status −Optional I/O Control using Modbus RTU LCD and Keypad
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CERI (Continued) LCD and Keypad −Set IP Address −View serial port parameters −View Error messages −Password protected
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The CERI …. −maintains a set of (4x) data registers mapped to the A120 Compact I/O −scans the rack continually and updates these registers −services the TCP messages at the end of each rack scan −PLC I/O Scanner reads+writes this data on Modbus/TCP Index 0 or 1 CERI N R & D 3001 3002 3003 3004 4001 4002 4003 4004 Data Registers CERI Controlled Rack PLC Read Outputs Write Inputs
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Rack Mapper 10,000 words of Holding Registers (4x) – Accessed as Modbus/TCP Index 0 or 1 – Accepts Modbus/TCP function codes 3, 6, 16, and 23 Mapper associates these Holding Registers to Inputs and Outputs on the rack. – Group all of the Inputs together (and Outputs) so a single I/O Scanner entry covers the entire CERI – Mapper automatically expands multiplexed modules – Internal CERI configuration and status registers may also be mapped to the I/O registers – Each Output word has a default value on watchdog failure – 4-bit and 8-bit modules are mapped as a single word (LSB) – Mapper can reverse I/O bit orders and can pack and unpack both nybbles and bytes for proper bit number alignment
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Initial Setup Set the IP Address – Factory Default is 10.10.10.10 – Front Panel keypad and LCD – DHCP/BOOTP Point a Web Browser at the CERI – Username is ignored – Password is “master”
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Setting IP Address Using LCD and Keypad Using the key pad on the front panel you can set the …. − IP Address – Subnet Mask – Gateway – Serial baudrate, databits, parity and stop bits
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Main Page Main Web Page…. Name Plate Firmware Revision Mode of Operation Menu Links Configured Devices (white background) Unconfigured Devices (gray background) Device Configured incorrectly (orange background) Warnings (red)
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Configuration Page – Links on the left hand side and at the bottom of each section of the page – Summary of Comms, Control and Gerneral Settings – Views of the Racks and Internal Mapping
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Communications IP Settings – BootP and DHCP – IP Address – Subnet Mask – Default Gateway
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Control Settings Allowed Master List – IP Address of each possible master – Only one entry at a time may control the I/O – Anyone can read but only entries in this list may control I/O Timeout – Watchdog timeout between writes from master – Outputs will revert the default values at the end of the watchdog
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General Settings General – Run Mode – Missing Card Action – Name Plate (Run = Memory Protect)
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Rack Configuration Rack Page – Each slot has a link used to add or edit a module – All possible racks and slots are shown, even if they are not physically present – Click on the slot number to enter the module configuration
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Configuring Individual Modules Click the list box Register usage list shows which register are being used
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Configuring Individual Modules Select the correct module from the list
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Configuring Individual Modules Select the correct values for each of the items for the ADU 206 When finish click Done or Update
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Configuring Individual Modules Completed configuration of Rack 1 Slot 3 with an ADU 206 four channel analog input module Click on the module name to get module information
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Configuring Individual Modules Configuration of Rack 2 Slot 2 with an DAP 216 24VDC 16 discrete output module The outputs of this card are mapped to register 4004 The default value for this card is 0000 hexidecimal
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Configuring Individual Modules Configuration of Rack 1 Slot 4 with an BKF 201 Interbus-S, 16 word module Sixteen input words mapped to 3011-3026 Sixteen output words mapped to 4005-4020 The default values for each output register is 0000 hexidecimal
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Internal Mapper Configuration Internal Mapper – Register A are in the Drop 0/1 data space. Range of 1 - 10000 – Register B are either in Drop 0/1 or in the Drop 255 data space. Range 1 – 40000 – Source count is the number of registers moved – Mode selects the movement direction, A>B, B B reversed and B B, B B reversed and B<A reversed – Pack/Unpack Bytes or nybbles
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Update Password Set Password to control access to web configuration
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Backup & Restore Backup and Restore the configuration to your PC − The backup is an editable text file − Complete configuration file can be created in a text editor and Restored to the CERI
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Update Firmware Update firmware conveniently and quickly from the web page
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Clear Mapper & Default Values Easily clear the mapper and default values without affecting the configuration stored in flash
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Statistics Statistics page shows…. − Modules firmware revision − Backplane information − Ethernet, Serial and Master Statistics
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Problem Indicators Problems with the configuration of rack are indicated with red lettering on the web page − Statistics is red indicating a problem − LCD backlight will flash to indicate problems
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Problem Indicators Clicking on Statistics shows a mapper entry conflict on register 4006 − LCD backlight will flash to indicate problems
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Problem Indicators Clicking on Register Usage shows a map of the configured modules registers. Register 4006 background color is now orange indicating a problem − LCD backlight will flash to indicate problems
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Problem Indicators Wrong module selected is indicated by the orange background in the rack at Rack 2 Slot 2 − LCD backlight will flash to indicate problems
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Niobrara R & D Corp ShippingMailing – 2400 Country Club Drive P.O. Box 3418 – Joplin, MO 64804 USAJoplin, MO 64803-3418 PhoneFAX – +1 (417) 624-8918+1 (417) 624-8920 – 1 (800) 235-6723 (US & Canada only) www.niobrara.com
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