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MSA GASGARD 8, Instruction Manual

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MSA GASGARD 8 Instruction Manual Download Page 34

Table 3-3. Parts List

PART PART 

NO.

RS 232 Interface Card

10029957

RS485 Modbus RTU Interface Card

10029958

Channel Upgrade Kit includes one Channel PCB with Display
and Relay Module

10035784

Channel PCB

10029955

Relay Module

10029956

Blank Panel

10029959

Chapter 3, Start-up and Operation

3-17

Summary of Contents for GASGARD 8

Page 1: ...our nearest stocking location dial toll free 1 800 MSA INST To contact MSA International dial 1 412 967 3354 MINE SAFETY APPLIANCES COMPANY 2005 All Rights Reserved Distributed by MSA INSTRUMENT DIVISION P O Box 427 Pittsburgh Pennsylvania 15230 L Rev 4 10029332 ...

Page 2: ...T 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 ...

Page 3: ...ranties of manufacturers of such components THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY AND IS STRICTLY LIMITED TO THE TERMS HEREOF SELLER SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE 2 Exclusive Remedy It is expressly agreed that Purchaser s sole and exclusive remedy for breach of the above warranty for any torti...

Page 4: ... Power Wiring Connection 2 2 Optional DC Power Wiring Connection 2 3 Figure 2 2 Optional DC Power Wiring Connection 2 3 Sensor Wiring Connection 2 4 CAUTION 2 4 Figure 2 3 Signal Input Wiring Connection 2 4 Relay Wiring Connection 2 5 Figure 2 4 Jumper Settings for Relay Configurations 2 5 4 20 mA Output Wiring Connection 2 6 Figure 2 5 4 20 mA Output Wiring Connection 2 6 Remote Device Wiring Con...

Page 5: ...Mode 3 5 To Access the Unit UNit Mode 3 5 To Access the Range rAnG Mode 3 5 To Access the Alarm AL Mode 3 5 To Access the Buzzer bUZ Mode 3 7 To Access the External Fault EFLt Mode 3 7 To Access the Date dAtE Mode 3 8 To Access the Time tiME Mode 3 8 To Access the Day dAy Mode 3 8 To Access the Year yEAr Mode 3 8 To Access the Code CodE Mode 3 9 To Access the Password Reset 1 c2 Mode 3 9 To Access...

Page 6: ...3 To Access the Alarm AL Mode 3 13 To Access the Buzzer bUZ Mode 3 14 To Access the External Fault EFLt Mode 3 14 To Access the Date dAtE Mode 3 14 To Access the Code CodE Mode 3 15 To Access the List LISt Mode 3 15 To Exit User USEr Mode 3 15 System Checks 3 15 Performing a Lamp Test 3 15 Performing a Configuration Review 3 16 Table 3 3 Parts List 3 17 Table of Contents TOC 3 ...

Page 7: ...tor is designed with easy to program software allowing the user to set Full scale range for the connected 4 20 mA sensor Alarm level setpoints for each of the four alarm levels Alarm on an upscale or downscale gas reading Relays as energized or de energized Alarms as latching or non latching Buzzer output as enabled or disabled External alarm reset switch or flow failure fault status Time and Date...

Page 8: ...h of the four alarm levels has individual relay outputs Fault Orange LED indicates all fault conditions within the monitor The fault indicator has an individual relay output Gas Measure Range LEDs Green LED indicates measuring range for each channel Software selectable as ppm LEL and volume Four Common Alarm and Fault LEDs Common LEDs energized when any channel alarm or system fault condition occu...

Page 9: ...Four digit LED display 1 2 digits SETPOINTS Alarm Level Four alarm set points AL1 AL2 AL3 AL4 with indicating LEDs Full scale Range Variable 1 to 99 9 or 999 RELAYS Alarm Four programmable Fault One common External One common Status All have one LED to indicate coil voltage Terminals 12 gauge maximum wire size Contacts Single pole double throw 2 amps 250 VAC 3 amps 30 VDC AUDIBLE ALARM Piezo Elect...

Page 10: ...ng Connections Perform all wiring connections and conduit runs in accordance to accepted commercial wiring practices Install your monitor in compliance with the applicable requirements of the National Electric Code and or any other local code requirements WARNING When wiring the unit disconnect the main power failure to do so can result in serious personal injury or death AC Power Wiring Connectio...

Page 11: ...1 CAUTION Improper application of the primary power to the system may cause damage to the unit If unsure of the available power contact your local power utility for clarification Verify that the unit s power is rated for the proper AC supply line See Table 1 1 Gasgard 8 General Specifications Figure 2 1 AC Power Wiring Connection Chapter 2 Installation 2 2 ...

Page 12: ...V and ALIM located on the inside front panel 2 Connect the two wires from the external 24 VDC Power Supply to the same terminal IN OV negative and ALIM 24 VDC See FIGURE 2 2 Figure 2 2 Optional DC Power Wiring Connection NOTE REP BUZZER represents Report Buzzer and provides a common alarm relay output 250 VAC 5 amps Chapter 2 Installation 2 3 ...

Page 13: ...ired for proper operation 1 Connect the sensor to the Gasgard 8 Monitor in accordance with FIGURE 2 3 CAUTION Ensure all sensor connections are correct Use correct wiring techniques and ensure that no wire strands are contacting other conductors Failure to wire the sensor correctly may result in an inoperative or damaged sensor or Gasgard 8 Gas Monitor Figure 2 3 Signal Input Wiring Connection Cha...

Page 14: ...ed configurations on the universal relay module each channel of which is normally energized fail safe Relay modules connected to individual channels also have normally energized fault channels per FIGURE 2 4 but have selectable energizing for the alarm channels which will reverse the NO NC positions in the case of normally de energized operation Figure 2 4 Jumper Settings for Relay Configurations ...

Page 15: ...4 20 mA Output Wiring Connection Each channel card contains one 4 20 mA output Wiring is shown in FIGURE 2 5 Figure 2 5 4 20 mA Output Wiring Connection Chapter 2 Installation 2 6 ...

Page 16: ...CK For external fault input EFL Wiring must be in accordance with FIGURE 2 6 Serial Link Module Wiring Connection The Gasgard 8 Monitor has the capability of interfacing with either an RS 232 connection printer or an RS485 connection superior JBus Wiring is shown in FIGURE 2 7 and FIGURE 2 8 Figure 2 6 Remote Device Wiring Connection Chapter 2 Installation 2 7 ...

Page 17: ...Figure 2 7 RS 232 Wiring Connection Figure 2 8 RS 485 Wiring Connection Chapter 2 Installation 2 8 ...

Page 18: ...ch byte has eight bits with no parity and two stop bits Table 3 1 Channel Card Register Addresses TITLE REGISTER ADDRESS CHANNEL NUMBER FORMAT Gas Concentration 40001 1 0 to 1000 full scale 40002 2 40003 3 40004 4 40005 5 40006 6 40007 7 40008 8 Alarm State 40009 1 See TABLE 3 2 40010 2 40011 3 40012 4 40013 5 40014 6 40015 7 40016 8 Table 3 2 Alarm State Format BIT 5 TO BIT 15 BIT 4 BIT 3 BIT 2 B...

Page 19: ...gure the unit User Mode USER which allows the operator to perform operations and access limited features 3 Each channel of the Gasgard 8 Monitor must be configured for Sensor range Alarm level Alarm upscale or downscale Alarm status Relay state To Access Factory FACT Mode 1 Press the SCROLL RIGHT button FIGURE 3 1 for five seconds The password must now be entered A 30 second timeout occurs placing...

Page 20: ...ect Conf and press the ACK VALID button Channel 1 displays n1 indicating channel 1 is ready for configuration 2 Use the SCROLL RIGHT and the SCROLL LEFT buttons to initiate configuration of the remaining channels n2 through n8 3 Press the ACK VALID button to configure a specific channel To Access the Channel CHan Mode 1 Select CHan and press the ACK VALID button 2 Use the SCROLL UP or SCROLL DOWN ...

Page 21: ...Figure 3 2 Factory Mode Programming Flowchart Chapter 3 Start up and Operation 3 4 ...

Page 22: ...e unit of measure ppm LEL or vol The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button NOTE The green LED displays the unit of measure and will not change until the channel is taken out of the configuration mode To Access the Range rAnG Mode 1 Select rAnG and press the ACK VALID button 2 Select the full scale range of the sensor being monitored 3 Use ...

Page 23: ...by pressing the ESC TEST button Once confirmed the alarm level can be set for release on upscale UP or downscale dO NOTE The downscale setting is normally reserved for oxygen deficiency The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button Once confirmed the alarm can be set as energized En or de energized dE by using the SCROLL UP or SCROLL DOWN butt...

Page 24: ... set this relay between 0 and 995 seconds The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button To Access the Buzzer bUZ Mode 1 Select bUZ and press the ACK VALID button 2 Use the SCROLL UP or SCROLL DOWN buttons to turn the Buzzer ON or OFF NOTE This software select is for the entire monitor and not for each individual channel The choice is confirmed...

Page 25: ...The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button To Access the Day dAy Mode 1 Select dAy and press the ACK VALID button 2 If the day listed is incorrect press the ACK VALID button to correct 3 Use the SCROLL UP and SCROLL DOWN buttons to set the correct day NOTE Enter the day as the day and month and in the same manner as the password The choice ...

Page 26: ...ected by pressing the ESC TEST button To Access the Password Reset 1 c2 Mode 1 Select 1 c2 and press the ACK VALID button YES appears on the display 2 Press the ACK VALID button to reset the Password to 0000 The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button To Access the Connection Series nisc Mode 1 Select nisc and press the ACK VALID button This...

Page 27: ...ough 255 The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button NOTE To use the JbuS Mode it is necessary to install the RS485 interface card P N 10029958 on the motherboard To Access the Rate rAtE Mode 1 Select rAte and press the ACK VALID button 2 Use the SCROLL UP and SCROLL DOWN buttons to set the Baud Rate 1200 2400 4800 or 9600 Bps according to t...

Page 28: ...git the unit will indicate GOOD for successful entry and BAD for an incorrect entry The password can be modified by using the CODE feature 2 Configuration of the Gasgard 8 Monitor is performed by selecting through the programming flowchart FIGURE 3 3 To Access LEL OVERRANGE WArn Reset 1 Select WArn and press the ACK VALID button NOTE The overrange latch engages when a LEL input reaches 100 The dis...

Page 29: ...Figure 3 3 User Mode Programming Flowchart Chapter 3 Start up and Operation 3 12 ...

Page 30: ...tton To Access the Alarm AL Mode 1 Select AL and press the ACK VALID button 2 Use the SCROLL UP or SCROLL DOWN buttons to configure each of the four alarm levels A1 through A4 NOTE Access will be limited to alarm levels set to ON in the FACT configuration The choice is confirmed by pressing the ACK VALID button or rejected by pressing the ESC TEST button Once confirmed the alarm level selected can...

Page 31: ...TEST button To Access the External Fault EFLt Mode 1 Select EFLt and press the ACK VALID button 2 Use the SCROLL UP and SCROLL DOWN buttons to turn the External Fault ON or OFF When set to ON an external device e g a pump or reset switch can be connected to the appropriate terminal and changes the common fault status on a state of change The choice is confirmed by pressing the ACK VALID button or ...

Page 32: ...ted by pressing the ESC TEST button To Access the List LISt Mode 1 Select LISt and press the ACK VALID button This command sends all of the channel settings and the current state of the monitor to the printer for printing in the language selected run appears on the display during printing To Exit User USEr Mode 1 Press the ESC TEST button until the software tree is exited and the unit returns to m...

Page 33: ...rd Each digit must be validated by pressing the VALID key On the final digit the unit will indicate GOOD and TEST for successful entry and BAD for an incorrect entry Channel 1 displays n1 indicating channel 1 is ready for configuration review 3 Use the SCROLL RIGHT and the SCROLL LEFT buttons to initiate configuration review of the remaining channels n2 through n8 4 Press the ACK VALID button to r...

Page 34: ...rface Card 10029957 RS485 Modbus RTU Interface Card 10029958 Channel Upgrade Kit includes one Channel PCB with Display and Relay Module 10035784 Channel PCB 10029955 Relay Module 10029956 Blank Panel 10029959 Chapter 3 Start up and Operation 3 17 ...

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