MSA Ultima Instruction Manual
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MSA Ultima Instruction Manual

MSA Ultima Instruction Manual

Digital output gas monitor
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Ultima
with Digital
®
Output Gas Monitor
instruction manual
WARNING
THIS MANUAL MUST BE CAREFULLY READ BY ALL INDIVIDUALS WHO
HAVE OR WILL HAVE THE RESPONSIBILITY FOR USING OR SERVICING THE
PRODUCT. Like any piece of complex equipment, the unit will perform as
designed only if it is installed, used and serviced in accordance with the
manufacturer's instructions. OTHERWISE IT COULD FAIL TO PERFORM AS
DESIGNED AND PERSONS WHO RELY ON THIS PRODUCT FOR THEIR
SAFETY COULD SUSTAIN SEVERE PERSONAL INJURY OR DEATH.
The warranties made by Mine Safety Appliances Company with respect to the
product are voided if the product is not used and serviced in accordance with
the instructions in this manual. Please protect yourself and others by following
them. We encourage our customers to write or call regarding this equipment
prior to use or for any additional information relative to use or repairs.
In the U.S., to contact your nearest stocking location, dial toll-free 1-800-MSA-INST.
To contact MSA International, dial 1-412-967-3354.
© COPYRIGHT MINE SAFETY APPLIANCES COMPANY 2003 - All Rights Reserved
This manual is available on the internet at www.msanet.com
Manufactured by
MSA INSTRUMENT DIVISION
P.O. Box 427, Pittsburgh, Pennsylvania 15230
(L) Rev 3
710471

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  • Page 1 We encourage our customers to write or call regarding this equipment prior to use or for any additional information relative to use or repairs. In the U.S., to contact your nearest stocking location, dial toll-free 1-800-MSA-INST. To contact MSA International, dial 1-412-967-3354.
  • Page 2 MSA Permanent Instrument Warranty 1. Warranty- Seller warrants that this product will be free from mechanical defect or faulty workmanship for a period of eighteen (18) months from date of shipment or one (1) year from installation, whichever occurs first, provided it is maintained and used in accordance with Seller’s...
  • Page 3 3. The Ultima with Digital Output Gas Monitor is designed to detect gases or vapors in air. It cannot measure the concentration of gases or vapors in steam or inert or oxygen-deficient atmospheres.
  • Page 4 If such a location must be monitored, use an explosion-proof Ultima with Digital Output Gas Monitor model. 7. The Ultima with Digital Output Gas Monitor is designed to ® be connected to and operate within a LonWorks Network.
  • Page 5 Monitor. 3. The only absolute method to ensure proper overall operation of an Ultima with Digital Output Gas Monitor is to check it with a known concentration of the gas for which it has been calibrated. Consequently, calibration checks must be included as part of the routine inspection of the system.

  • Page 6: Table Of Contents

    Identifying Your Unit ......... . 1-2 If Unit to be used with the Optional Ultima Duct Mount Kit ... . 1-3 If Unit Powered with the Optional Power Supply Module .
  • Page 7 Electrical Connections for Ultima with Digital Output Gas Monitors ......3-1 General Wiring Information ........3-1 WARNING .
  • Page 8 Start-up of the Ultima with Digital Output Gas Monitor ......3-9 Applying Power to the Ultima with Digital Output Gas Monitor ..3-9 Calibrating the Ultima with Digital Output Gas Monitor .

  • Page 9: General Description

    • many Ultima with Digital Output Gas Monitors • other network compatible devices. This Manual • is to be used with (and often refers to) the Ultima Gas Monitor Instruction Manual (P/N 813161). • contains a brief description of network variables for the Ultima with Digital Output Gas Monitor;...

  • Page 10: General Description

    Chapter 1, General Description General Description The Ultima with Digital Output Gas Monitor is designed to sample the environment (where mounted) and alert you to potentially dangerous levels of one of the following gases, depending on your particular model: • Combustible gas •...

  • Page 11: If Unit To Be Used With The Optional Ultima Duct Mount Kit

    • All five versions are available as dual condulet models (see Ultima Gas Monitor manual FIGURE 1-2) If Unit to be used with the Optional Ultima Duct Mount Kit • refer to Ultima Gas Monitor manual Appendix A. If Unit Powered with the Optional Power Supply Module •...
  • Page 12 Chapter 1, General Description Approval Label on the main enclosure body (see Ultima Gas Monitor manual FIGURE 1-7) indicates if your model is approved for use in hazardous areas.

  • Page 13: Network And Ultima With Digital Output Gas Monitor Variables

    Network Configuration The network can be an open-standard wiring architecture type. Each Ultima with Digital Output Gas Monitor is considered a node on the network with communication between nodes at a reliable, efficient (78KB/s Wired and 19.5KB/s Wireless) rate. In peer-to-peer communications: •...

  • Page 14: Types Of Variables

    • Object (Type 0) Variables control the network interface for the Ultima with Digital Output Gas Monitor. • All variables (except configuration, output and network-specific variables) can be changed by the Ultima Gas Monitor Controller; see manual (P/N 813379) for more details. Ultima with Digital Output Gas Monitor...

  • Page 15: Variable #1 - Nvirequest

    Chapter 2, Ultima with Digital Output Gas Monitor For initial implementation of the Ultima with Digital Output Gas Monitor, only mandatory variables and certain optional variables must be configured. Unsupported status bits are to be marked in the status mask as described in the following: Table 2-1.

  • Page 16: Variable #2 - Nvostatus

    Chapter 2, Ultima with Digital Output Gas Monitor Unsupported requests to the sensor node return: invalid_request status. Variable #2 - nvoStatus This structure (SNVT #93) is used to report the status for any object on a node. A report mask request causes this variable to be output with a mask indicating which bits that are valid in the object status structure.

  • Page 17: Open Loop Sensor Object (Type 1) Variables

    A report mask request causes the nvoStatus variable to be output with a mask indicating which bits are valid in the Sensor Object Status structure. Valid bits in the Ultima Sensor Object Status are: • invalid_id and invalid_request bits (mandatory) •...

  • Page 18: Variable #1 - Nvovalue

    This is the Ultima with Digital Output Gas Monitor main output variable. The counts using SNVT_count_f are from -1E38 to 1E38. Variable #2 - nvoRawHwData This is the Ultima with Digital Output Gas Monitor raw A/D output count. Variable #3 - nciMinDelta...
  • Page 19 Chapter 2, Ultima with Digital Output Gas Monitor Table 2-3. Variable Definitions VARI- VARIABLE SNVT FORMAT TYPE COMMENTS NAME BLE # Forces Neuron Software nv_reset SNVT_lev_disc Reset and sensor reset ST_ON (4) = reset. Indicates this sensor is being monitored through the network.
  • Page 20 Chapter 2, Ultima with Digital Output Gas Monitor Table 2-3. Variable Definitions VARI- VARIABLE SNVT FORMAT TYPE COMMENTS NAME BLE # Indicates gas reading under range during interval nv_statistics 11.6 SNVT_lev_disc time .interval_under ST_OFF = false ST_ON = true 51 NOTE...
  • Page 21 Chapter 2, Ultima with Digital Output Gas Monitor Table 2-3. Variable Definitions VARI- VARIABLE SNVT FORMAT TYPE COMMENTS NAME BLE # Manual initial calibration ST_OFF = not in 25.2 nv_op_status.m SNVT_lev_disc progress an_i_cal ST_ON (4) = in progress Calibration fault condition 25.3 nv_op_status.ca...
  • Page 22 Chapter 2, Ultima with Digital Output Gas Monitor Table 2-3. Variable Definitions VARI- VARIABLE SNVT FORMAT TYPE COMMENTS NAME BLE # 25.14 nv_op_status.re SNVT_lev_disc reserved, not used, = 0 served2 25.15 nv_op_status.re SNVT_lev_disc reserved, not used, = 0 served3 NOTE 25.16 nv_op_status.re...
  • Page 23 Chapter 2, Ultima with Digital Output Gas Monitor Table 2-3. Variable Definitions VARI- VARIABLE SNVT FORMAT TYPE COMMENTS NAME BLE # Relay module. nv_pfl_status. 27.1 SNVT_lev_disc ST_OFF = not present relay_present ST_ON = present Auto-calibration module. nv_pfl_status. 27.2 SNVT_lev_disc ST_OFF = not present...

  • Page 24: Installation And Start-Up

    Ultima with Digital Output Gas Monitors General Wiring Information WARNING Disconnect the power source feeding the Monitor when wiring the Ultima with Digital Output Gas Monitor. Before removing the cover of an explosion-proof Ultima with Digital Output Gas Monitor, verify the surrounding area does not contain a flammable mixture of combustible gas and air, since a source of ignition is exposed;...

  • Page 25: Cable Requirements

    • All wiring connections should be made by following the appropriate wiring code(s). WARNING When installing in a hazardous area, be sure to install your Ultima with Digital Output Gas Monitor according to National Electrical and local procedural codes. Failure to do so can result in serious personal injury or death.

  • Page 26: Power Requirements

    • For all models, ensure that there are at least 7 volts DC at the sensor for proper operation. • An external power supply may be required for the Ultima with Digital Output Gas Monitor if the distance is very large or if a number of sensors are to be used.
  • Page 27 Chapter 3, Installation and Startup Figure 3-1. Wire Harness Assembly (Wired Unit Shown) All electrical connections to the Ultima with Digital Output Gas Monitor Monitor can be made via the factory-installed wiring harness (FIGURE 3-1). This wiring harness always contains two individually-twisted pairs of wires.

  • Page 28: Warning

    Chapter 3, Installation and Startup WARNING Before removing the cover of an Ultima with Digital Output Gas Monitor Remote Sensor Module or Ultima with Digital Output Gas Monitor/Less Sensor, verify that the surrounding area does not contain a flammable mixture of combustible gas and air, since a source of ignition is exposed;...
  • Page 29 Figure 3-3. Routing the Antenna Cable Bottom Printed Circuit Board Table 3-6. Power Requirements VOLTAGE MAX. CURRENT 10 VDC 260 mA RF ULTIMA IR 12 VDC 225 mA 24 VDC 135 mA 7 VDC 185 mA RF ULTIMA TOXIC/O 12 VDC...

  • Page 30: Electrical Connections For The Ultima With Digital Output Gas Monitor Remote Sensor Module

    Modules (except the combustible models) are supplied with 50 feet of cable. This cable has a connector on one end which plugs into its mate within the Ultima with Digital Output Gas Monitor/Less Sensor. The other end of the cable can be cut to the exact length needed.

  • Page 31: Warning

    Chapter 3, Installation and Startup WARNING When installing a Ultima with Digital Output Gas Monitor Remote Sensor Module and its mating Ultima with Digital Output Gas Monitor/Less Sensor, follow National Electrical and local procedural Codes. Failure to do so can result in serious personal injury or death.
  • Page 32 • See Ultima Gas Monitor manual Chapter 2 for initial start-up information. • The "r" on the Ultima with Digital Output Gas Monitor is visible when it is communicating via the network. NOTE: The "r" is not blinking all the time the Monitor is communicating.
  • Page 33 SW-2 SW-3 CHANNEL # INVALID 4. Re-install the Network Ultima Display Module cover. 5. Reconnect power to the unit. NOTE: Power must be cycled to activate the changes. 6. Label the unit with the channel selected. 7. Repeat the same procedure for all displays, relays, and sensors to be bound as a network.
  • Page 34 Failure to do so may seriously impair sensor performance. Repair or alteration of the Ultima Gas Monitor, beyond the scope of these maintenance instructions or by anyone other than authorized MSA service personnel, could cause the product to fail to perform as designed and persons who rely on this product for their safety could sustain serious personal injury or death.
  • Page 35 812075 Electrochemical General-Purpose Sensor Cap 806951 Oxygen General-Purpose Cap Electrochemical & Oxygen Explosion-Proof Sensor Cap 812074 WIRELESS REPLACEMENT PARTS 10046422 Antenna with Grip Kit 10043294 Printed Circuit Board, Lonworks INTFC Sensor RF 10041737 Printed Circuit Board, Ultima Wireless with Modem...
  • Page 36 Chapter 4, Maintenance Ultima RF Digital Network Module Antenna Replacement 1. Remove the cover from the stainless steel enclosure. 2. Remove two screws from the top printed circuit board assembly. 3. Top Circuit Board(s) Removal • Note orientation of all printed circuit boards and connectors for proper re-assembly of unit.

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