FMC-4, 4-Channel Controller User's Guide
Contents
1. 10 0331 RC10 0331 000 Replacement FMC 64 Main I O 10 0332 RC10 0332 000 Auxiliary Standard Alarm Relay Board 10 0337 RC10 0337 000 100dB Piezo Audible Alarm Added To Nema 4x Enclosure 10 0344 RC10 0344 000 PC Analog 16 Inputs Including EXC Terminals 1 board 10 0345 RC10 0345 000 PC Discrete Alarm Relay Board 16 5A Form C Relays 10 0347 RC10 0347 000 Bridge Sensor mA Input Board accepts up to 8 10 0192 modules 10 0348 RC10 0348 000 PC Analog 16 Output Board 10 0350 RC10 0350 000 PC Programmable Alarm Relay Board 16 5A Form C Relays 10 0367 RC10 0367 000 100 240VAC Universal Input 600 Watt 24VDC Power Supply 27 0 Amps 10 0368 RC10 0368 000 RS485 Isolated Expansion Board 10 0373 RC10 0373 000 Replacement Complete FMC 64 Front Panel Electronic Nest Assembly 10 0374 RC10 0374 000 Replacement FMC 64 Front Graphic Panel 1000 1892 1892 000 100 dB Piezo Audible Alarm only available for NEMA 4X enclosures 1000 1992 1992 000 Replacement Main I O PCB Fuse 20mm 2 1000 2158 RC1K 2158 000 Replacement Fiberglass Enclosure For FMC 16N4 1000 2259 RC1K 2259 000 50 Watt AC DC Power Supply Module Division 2 1000 2373 2373 000 120 Watt AC DC Power Supply Module Division 2 71 01 71 01 NEMA 4X Fiberglass Div 2 Supports Main I O board up to 3 additional I O boards 71 02 RC71 02xx xxx NEMA 7 Steel Div 12. 36 4 3 FMC 4XP NEMA 7 Explosion Proof Wall Mount Extended 37 SECTION 5 PARTS REFERENCE 38 SECTION 6 TECHNICAL SUPPOR 41 SECTION 7 RAE SYSTEMS CONT AC S 41 FMC 4 User s Guide SECTION 1 GENERAL INFORMATION N WARNINGS N This Manual must be carefully read by all individuals who have or will have the respon sibility of using maintaining or servicing this product The product will perform as designed only if it is used maintained and serviced in accordance with the manufac turer s instructions The user should understand how to set the correct parameters and interpret the obtained results The following terms and symbols are used in this manual to alert the operator of important instrument operating issues This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions within the instrument enclosure that may be sufficient magnitude to constitute a risk of electric shock This symbol signifies the system s ground terminal This symbol is intended to alert the user to the presence of dangerous voltage DC refers to direct current voltages VAC refers to alternating current voltages WARNINGS SHOCK HAZARD Disconnect or turn off power before servicing this instrument NEMA 4X wall mount models should be fitted with a locking mechanism after i
3. Point 28 Clock Del Alarm 1 Votes 1 ON Delay Gs Modi ad Rlarm 2 Uotes OFF Delay Bn Communications Alarm 3 Uotes 8 Low Trir HO IneutOuteut Setur Failsafe Latching NO Track Negative Quer Ride m R2 RCK HORM SETUP m CHANNEL CONFIG 4 L SYSTEM SECURITY WeFault OFF 18 digits 1 Alarm 1 PULSE EUNIT 1B digits Contact Alarm 2 STEADY gt Zero 8 Pass Code Alarm 3 OFF pam 1 Point 108 ecimal Points Heap er per oN Channel Active VES Unlocked P EN NND NOU CN CHE CLOCK DELRVS 7 m Eh x CAL SETUP 34 Calibrate Alarm Refresh Gs BP Zero Gas 9 9 110107 Ch2Ai0 Warm Up Delay Span Gas 58 8 118187 LCLRCK Cal Delas 685 Set UNITY Gain 118107 Ch2R1I Tine 17 34 22 CAL Offset 4 000 102407 Ch4Aio Date 08719707 CAL Gain 1 888 HISTORY records up to 65 8 per page 182487 Ch4R1I real time events such as Alarms Trips Alarm 18248 23 36 32 Ch4A20 Acknowledgment pressing Alarm Reset 182480 23 36 11 Ch4R3 0 button Calibrations amp Power Applied 182407 23 36 17 _ Ch4A10 COMM SETUP RADIO SETUP WeHor Channel Slave ID fi ur ID Wir Radio menus only when 10 2454 radio module is installed P Mode ANALOG SETUP Set Channel 1 4 Set Input Min Max Set Output Min Max Input Tyre Analog Rmt xmitter ID LL Counts 441 INPUT SETUP Bw Min Counts 488 Max Counts 288
4. ALARM2 BELOW BIT BIT2 ALARM3 BELOW BIT BIT3 ALARMI LATCH BIT BIT5 ALARM2 LATCH BIT BIT6 ALARM3 LATCH BIT BIT7 WIRELESS INPUT 4 CHANNEL DISABLED BIT BIT9 CHANNEL CAL BIT 0 System Status Word 31009 4 16 bit status word bit assignment for system status TRACK NEGATIVE BITO WIRELESS RECEIVER BITI SECURITY LOCK 5 Alarm Status Word 31010 4 16 bit status word bit assignment for system status CHANI FAULT BITO CHANI ALARMI BITI CHANI ALARM2 BIT2 CHANI ALARM3 BIT3 CHAN2 FAULT BIT4 CHAN2 ALARMI BITS CHAN2 ALARM2 BIT6 CHAN2 ALARM3 BIT7 CHAN3 FAULT BIT8 CHAN3 ALARMI BIT9 CHAN3 ALARM2 0 CHAN3 ALARM3 1 CHAN4 FAULT BIT12 CHAN4 ALARMI BIT13 CHAN4 ALARM2 BIT14 CHAN4 ALARM3 BIT15 LED Blink Status 31011 4 Bit set to 1 LED Blinking bit set to 0 LED is steady ON CHANI FAULT BITO CHANI ALARMI BITI CHANI ALARM2 BIT2 CHANI ALARM3 BIT3 CHAN2 FAULT BIT4 CHAN2 ALARMI 5 CHAN2 ALARM2 BIT6 CHAN2 ALARM3 BIT7 CHAN3 FAULT BIT8 30 NA NA NA FMC 4 User s Guide CHAN3 ALARMI BIT9 CHAN3 ALARM2 BIT10 CHAN3 ALARM3 CHAN4 FAULT BIT12 CHAN4 ALARMI BIT13 CHAN4 ALARM2 BIT14 CHAN4 ALARM3 15 Relay Status 31012 4 NA Note 1 energized 0 de energized STANDARD RELAY 1 BITO STANDARD RELAY 2 BITI OPTION RELAY 1 BIT2 OPTION RELAY 2 BIT3 OPTION RELAY 3 4 OPTION RELAY 4 5 OPTION RELAY 5 BIT6 OPTION RELAY 6 BIT7 COMMON FAULT no relay 8 Reserved BIT9 Re
5. for correct shielding of incoming signals SHOCK HAZARD RISK OF ELECTRICAL SHOCK DISCONNECT OR TURN OFF POWER BEFORE SERVICING THE EQUIPMENT Figure 3 1 21 FMC 4 User s Guide 3 1 Input Output Optional PCBs P1 P2 and P3 connectors on the motherboard offer unique positions for I O options described in this section A screen appears briefly after power up indicating what options are connected The P1 position accepts either the 10 0221 4 Analog Input option or the 10 0309 Bridge Sensor Input option Both have default Input Min Max menu see section 2 3 4 settings of 400 to 2000 counts P2 is reserved only for the 10 0308 4 20mA Output option and is reserved only for the 10 0222 Discrete Relay option Connector locations relative to each option s mounting Screws prevent incorrect installation 3 1 1 Optional Analog Input 10 0221 4 In compliance with CSA C22 2 No 152 certification the 4 20mA input does not include or imply approval of the LEL gas detection apparatus such as sensors transmitters or devices connected to the system In order to maintain CSA Certification of the system all 4 20 ma gas detection instruments connected to the input must also be CSA Certified Important 10 0221 4 PCBs may only be installed into motherboard position P1 Analog input PCB option 10 0221 4 shown in Figure 3 2 allows interfacing FMC 4 s to field transmitters having 4 20mA or voltage outputs Remove socketed
6. 04xx xxx ST 90PCS Dual NEMA 4 Painted Carbon Steel Extended Enclosure 90 05 RC90 05xx xxx FMC 2SS Dual NEMA 4X Stainless Steel Extended Enclosure 90 12 RC90 12xx xxx FMC 2XP Quad In Bolt On Lid NEMA 7 Enclosure 90 50 RC90 50xx xxx FMC 2PY Quad In NEMA 4X Non Metallic Extended Enclosure 90 51 RC90 51xx xxx FMC 2PCS Quad In NEMA 4 Painted Carbon Steel Extended Enclosure 90 52 RC90 52xx xxx FMC 2SS Quad In NEMA 4X Stainless Steel Extended Enclosure 90 71 RC90 71xx xxx FMC 2PM Quad Panel Mount With Extended Pushbuttons amp 6 Ribbon Cable 40 FMC 4 User s Guide SECTION 6 TECHNICAL SUPPORT To contact RAE Systems Technical Support Monday through Friday 7 00AM to 5 00PM Pacific US Time Phone toll free 1 888 723 4800 Phone 1 408 952 8461 Email tech raesystems com Life critical after hours support is available 1 408 952 8200 select option 9 SECTION 7 RAE SYSTEMS CONTACTS RAE Systems World Headquarters 3775 N First St San Jose CA 95134 1708 USA Phone 1 408 952 8200 Fax 1 408 952 8480 E mail customerserv raesystems com Web Site www raesystems com RAE Systems Technical Support Monday through Friday 7 00AM to 5 00PM Pacific Time Phone 1 408 952 8461 Email tech raesystems com Life critical after hours support is available 1 408 952 8200 select option 9 41 FMC 4 User s Guide RAE Systems Europe ApS Kirstineho 23 A DK 2770 Kastrup Denmark Phone 4
7. 37 FMC 4 User s Guide SECTION 5 PARTS REFERENCE Manufacturing RAE Systems Part Description Number Ordering Part Number 0010 0321 RC01 0321 000 Aluminum 19 Expansion Plate Adds Qty 4 Option Boards 0010 1002 RC01 1002 000 16 Long 40 Pin Ribbon Cable 0010 1110 RC01 1110 000 6 Long PC Cable 0010 1120 RC01 1120 000 6 Long I O PCB Ribbon Cable 0010 1180 RC01 1180 000 10 Long PC Cable 0010 1188 RC01 1188 000 6 Long PC Cable 0010 1269 RC01 1269 000 NEMA 4 Expansion Plate Adds Qty 5 Option Boards 0010 1284 RC01 1284 000 NEMA 7 XP Expansion Plate Adds Qty 2 Option Boards 0010 1287 RC01 1287 000 6 foot Long 40 Pin Ribbon Cable 10 0006 RC10 0006 000 Replacement FMC 16 Flat Panel LCD Module 10 0142 RC10 0142 000 Replacement Main I O PCB For FMC 16 N4 amp FMC 16 XP 10 0144 RC10 0144 000 Auxiliary Common Alarm Relay Board 10 0158 RC10 0158 000 PC Analog 8 Inputs Including EXC Terminals 1 board 10 0167 RC10 0167 000 PC ANALOG 4 20mA 8 Output Board 10 0172 RC10 0172 000 85 240VAC Universal Input 150 Watt 24 Power Supply 10 0178 RC10 0178 000 NEMA 4X Expansion Enclosure For Up To 8 Option PCBs 10 0180 RC10 0180 000 NEMA 4X Expansion Kit Adds Up To 4 Optional Positions 10 0181 RC10 0181 000 NEMA 7 Expansion Kit Adds Up To 3 Optional Positions 10 0185 RC10 0185 000 Replacement Complete FMC 16 Front Panel Electronic Nest Assemb
8. Analog Output Board 7410 0308 Important 10 0308 PCBs may only be installed into motherboard position P2 An optional 10 bit 4 20mA analog output board shown in Figure 3 6 may be added Each channel s output will transmit 4mA for 0 readings and 20mA for 100 readings If the FMC 4 primary power is 100 240 VAC or at least 24 VDC 4 20mA outputs capable of driving 20mA through a 750 ohm load Outputs are self powered and DC power should not be provided by the receiving device Precision calibration of the 4 20mA output DAC digital to analog converter is accomplished via the Analog Setup menu as described in section 2 3 4 Assy 10 0308 Optional 4 20mA Output Notes 4 20mA Outputs are sourcing and 24 VDC power must not be supplied by the receiver device TB1 TB2 1 2 3 4 1 2 3 4 477 7 loe 4 20mA OUTPUTS Figure 3 6 Loop drive capability is 750 ohms with nominal 85 240 VAC power or 24 VDC power as the Controller primary power supply 3 2 Modbus RS 232 RS 485 Interface Option 10 0253 In compliance with CSA C22 2 No 152 certification the Wireless Modbus interface to an LEL gas detector may only be used for data collection or record keeping with regard to combustible gas detection and not for performance verification The 10 0253 Modbus option PCB add both RS 232 and RS 485 Modbus RTU slave ports Figure 3 7 shows this optional PCB which mounts to connector
9. Supports Main I O board up to 5 additional I O boards 71 03 RC71 03xx xxx Panel Main I O Board Ribbon Cable 71 04 RC71 04xx xxx Panel Mount Rack includes Bezel Rack Hardware With Half 19 rack Supports Main I O board up to 2 additional I O boards 71 06 RC71 06xx xxx NEMA 4X Stainless Steel Div 2 Supports Main I O board up to 3 additional I O boards 72 01 RC72 01xx xxx Panel Mount Rack with half 19 rack includes Bezel Rack Hardware Supports Main board up to 1 additional I O boards 72 02 RC72 02xx xxx One controller in full width 19 rack includes Bezel Rack Hardware Supports Main board up to 3 additional I O boards 72 03 RC72 03xx xxx Two controllers in full width 19 rack 128 channels Call for help with configuration 72 04 RC72 04xx xxx NEMA 4X large fiberglass enclosure Supports Main I O board up to 6 additional I O boards 72 05 RC72 05xx xxx NEMA 4X 316 Stainless Steel Enclosure Supports Main I O board up to 6 additional I O boards 72 06 RC72 06xx xxx Bolt On Lid NEMA 7 Enclosure Div 1 Supports Main I O board up to 3 additional I O boards 72 07 RC72 07xx xxx NEMA 4X Compact Non Metallic Enclosure Supports Main I O board 0 additional I O boards 90 02 RC90 02xx xxx ST 90XP Dual Bolt On Lid NEMA 7 Enclosure 39 FMC 4 User s Guide 90 03 RC90 03xx xxx ST 90PY Dual NEMA 4X Non Metallic Extended Enclosure 90 04 RC90
10. adds six 5 Amp Form C relays Each relay is fully programmable as described in section 2 3 1 Many FMC 4 applications utilize the standard equipped Relay 1 Relay 2 see section 2 3 1 and do not require optional discrete relays mechanical dry contact relays are rated at 5 Amp for 28 VDC and 250 VAC resistive loads Important Appropriate diode DC loads or MOV AC loads snubber devices must be installed with inductive loads to prevent RFI noise spikes AC or DC power supplies to relays on the 10 0222 Discrete Relay PCB option must be the same for each relay Example 24VDC should not be the power switched by one relay and 115V AC by others 25 FMC 4 User s Guide P1 l pe 4 Note When installed this option blocks access to the fuse and must be remove to replace a blown fuse WARNING For continued protection against fire replace only with same type and rating of fuse K1 K2 K3 K4 K5 amp K6 are programmable as described in Section 2 3 1 TB1 terminals 1 4 7 10 13 amp 16 are Normally Open Contacts for K1 K6 TB1 terminals 2 5 8 11 14 8 17 are Normally Closed Contacts for K1 K6 TB1 terminals 3 6 9 12 15 amp 18 are Common pole Contacts for K1 K6 9 8 8 g a 8 g 2 E 5 2 Contacts are rated for 5 amp resistive loads Arc suppressing snubber devices should be used for switching inductive loads Figure 3 5 26 FMC 4 User s Guide 3 1 5 Optional 4 20mA
11. im NPTConduit Fittings 6 20 4 Typical 4 places e S 2 70 0 0 2 40 419 584 756 Bottom View Figure 4 1 35 FMC 4 User s Guide 4 2 455 NEMA 4X Stainless Steel Wall Mount Extended The FMC 4SS QUAD shown in Figure 4 2 is a 316 Stainless Steel NEMA 4X wall mount enclosure designed for corrosive installations Side View 9 84 8 84 6 CO e Front View Notes Material 1000 2377 316 Stainless Steel Part l000 2378 Painted Carbon Steel P i 1 In ll ll Instrument Viewing Window 12 90 Single 1 4 Turn v i 1365 ll ll Y amp VERS GE E Y 1 1 2 im NPTConduit Fittings 6 20 Typical 4 places o 240 412 384 756 Bottom View Figure 4 2 36 FMC 4 User s Guide 4 3 4 7 Explosion Proof Wall Mount Extended The FMC 4XP QUAD shown in Figure 4 3 is an aluminum NEMA 7 wall mount enclosure min for mounting into potentially hazardous 13 00 6 25 1 Qu D 14 25 WY 8 00 4 p C 3 4 NPT Qty 4 LL Mounting Feet 8 9 87 Figure 4 3
12. local strobe light then all the strobes will be activated when any one of the sensor points at any FMC 4 goes into alarm 2 3 2 Relay 2 Ack Acknowledge Horn Setup Menu The Horn SETUP menu controls how each alarm type Fault and Alarms 1 through 3 will affect the horn driver circuit connected to J2 on the motherboard Choices are OFF STEADY or PULSE Warning level alarms might be set to pulse the horn with high alarms set for steady Personnel then know which alarm level is present by hearing the pulsing or steady horn Relay 2 Acknowledge set to ON allows Relay 2 to be deactivated during alarm conditions by an Alarm Reset This is useful if another audible device is being driven by the relay The acknowledge feature is not available for Relay 1 since it is often used for driving a warning light and Relay 2 for driving a horn It could be dangerous if an operator acknowledged the horn AND the light since no indication of the high alarm condition remains IMPORTANT If a Sympathy override is configured see section 2 3 1 for relay 2 the local alarm reset does not acknowledge the relay The relay may only be acknowledged from the network s ST 72 Modbus master controller Local Piezo set to ON causes the tiny local piezo adjacent to the LCD to mimic the J2 horn output Ez SETUP gt Fault Hlarm 1 PULSE Alarm 2 STEADY Alarm 3 OFF Relay 2 ACK OH Local Piezo Figure 2 9 16
13. o adem ead 6 SEC LIONSC2 OPERATION quens rds sa eins arn 7 2 0 7 2 1 Setup Menu Configuration ier tir edens 7 2 2 Changing Menu Variables Using The Keypad 9 2 21 FMC 4 Setup Configuration 1 eren en ener enean in ntn neta nena stade 9 2 2 2 Channel Setup Entry 10 223 Fault Alarm 1 Alarm 2 Alarm 3 Setup Menus 10 2 2 4 Configure Menu To Define Channel 11 2 2 4 Name Eunits ASCII Data Pields oet egere eo en heroe o tono 11 2 2 41 Input Measurement Range ue os e te ce p 11 2 2 4c Decimal Point Resolution n aeter icone ihr li nt nhe d 12 2 2 44 Turning Unused Channels aU oe Dum ee pp i d 12 2 2 5 Cal Setup MOOS ci eDim 12 2 2 0 Calibtate Input duces vut fu eruta 12 2 9 System Configuration Menus 14 2 3 1 Standard Optional Relay Setup Mentis eerte 15 2 3 2 Relay 2 Ack Acknowledge Horn Setup Menu 16 2 53 97 Raus ipsun ga 17 2 3 4 Modbus Communi
14. this guide may include the 1000 2259 DIN rail mounted 50 watt Power Supply module built into these larger enclosures FMC 4 User s Guide 1 2 2 Relays Two mechanical dry contact Common Form C relays are standard and may be mapped to various alarm events as described in section 2 3 1 FMC 4s may also be equipped with optional solid state common Form A relays in applications requiring non arcing switching Solid state relays are recommended for switching of highly inductive loads A six mechanical dry contact Discrete Relay option board see section 3 1 6 provides dedicated Form C relays for ALARM 1 ALARM 2 and FAULT for both channels mechanical dry contact relays are rated at 5 Amp for 28 and 250 VAC resistive loads IMPORTANT Appropriate diode DC loads or MOV AC loads snubber devices must be installed with inductive loads to prevent RFI noise spikes Optional solid state relays are rated at 2 Amp 12 to 280 VAC 600Vpk Relay wiring should be kept separate from low level signal wiring 1 2 3 Ambient Temperature Range 25 to 60 C 1 2 4 Humidity Range 0 to 90 relative humidity non condensing 1 2 5 Altitude Recommended up to 2 000 meters 1 2 6 Housings Installation Categories NEMA 4X wall mount Div 2 Groups A B C D Category II and pollution degree 3 NEMA 4X IP66 NEMA 7 wall mount for Div 1 amp 2 Groups B C D includes Ring in door to satisfy NEMA 4 rating ncludes st
15. to 2000 counts Standard inputs yield 400 counts at 4mA and 2000 counts at 20mA but for example if a special application requires the Zero reading at 6mA input and the Span reading at 18mA input the correct A D Min Max Raw counts would be 600 to 1800 00 Min Counts Max Counts entries in the OUTPUT SETUP menus define the output D A counts range for Zero and Span readings as described in section 2 2 4b OUTPUT SETUP menus are only used when the FMC 4 is equipped with the 10 0308 4 20mA output option Section 3 1 5 Ideally 200 to 1000 yields a 4 20mA output but very slight modifications may be needed to provide precise 4mA and 20mA values for each channel SYSTEM SETUP SETUP Relas Setur We Set Channel 1 4 2 Hck Horn Setur Set Inrut Clock Delays Set utrut INPUT SETUP Wein Counts 408 Max Counts 2008 Communications Tneut Analog We InrutzOutrut Setur Track Negative NO Arb Counts 441 OUTPUT SETUP Min Counts 200 Max Counts 1888 Figure 2 12 2 4 System Security Menu A 4 digit Pass Code entered and confirmed in this menu item locks all menus Viewing menus is not denied but attempts to edit variables flashes the Locked message on the LCD Authorized individuals locking the system should first enter a name phone or other contact information into the 12 character field on the top line of the Security s
16. wattage for each monitor connected to this board s 24 VDC terminals Discrete Relay PCB option part number 10 0222 add 1 5 watt 4 20mA Output PCB option part number 10 0308 add 1 watt Bridge Sensor Input PCB option part number 10 0309 add wattage of each sensor attached With an AC primary power source connected to 1 on the motherboard TB3 terminals 1 amp 2 on the motherboard provide a maximum of 10 watts of output power for powering auxiliary external devices such as relays lights and monitors see Figure 3 0 Power consumed from TB3 must be included when calculating system power consumption IMPORTANT TB3 only provides 24VDC power when AC is the primary power 24 VDC terminals on the 10 0221 4 Analog input option see Figure 3 3 is typically used to power external transmitters up to 10 watts per channel and these loads must also be calculated into the overall power budget These terminals receive power from both the integral AC DC power supply and the external TB1 supply as shown in Figure 3 0 Some applications may require 24VDC power in excess of that available from the FMC 4 s AC power supply on the motherboard and thereby require another 50 watt AC DC supply NEC Class 2 50 watt external supplies are available for Division 1 P N 10 0314 and Division 2 P N 10 0315 potentially hazardous area installations Both also include a NEMA 4X weather rating Extended series enclosures described in Section 4 of
17. 00 and the Span value equal 10 00 Four digits must be entered so trailing 0 s may appear here that are not displayed on other 11 FMC 4 User s Guide data screens These menus work hand in hand with Min Max Raw Counts menus described in section 2 3 4 2 2 4c Decimal Point Resolution Resolution of the displayed channel value is configured in this menu by setting the number digits trailing the decimal point Displayed readings are limited to a maximum of four digits with a polarity sign Auto ranging displays the highest resolution allowed by this menu s decimal point entry For example a range of 0 to 100ppm and two decimal points reads 0 00 at Oppm and 100 0 at 100ppm This may be undesirable due to the high resolution at zero unless the sensor s output is extremely stable If decimal points are limited to one the Oppm reading becomes 0 0 and the 100ppm reading remains 100 0 Resolution may be limited further by setting decimal points to 0 where in the above example Oppm reads 0 and 100ppm reads 100 2 2 44 Turning Off Unused Channels The Channel Active menu entry asks if this channel is to be utilized OFF causes the controller to never process inputs applied to this channel and no alarms are tripped or data displayed Inactive channels have a line drawn through them on the Setup screen to indicate it 1s turned off 2 2 5 Cal Setup Mode The FMC 4 CAL MODE feature supports pushbutton calibration of zero and span values This featu
18. 100 ohm R1 R4 terminators for 0 4 VDC max voltage inputs The 10 0221 4 utilizes 12 bit A D converter such that 4mA provides 400 counts and 20mA 2000 counts Min Max raw counts menus default to 400 2000 but may be adjusted between 0 4095 as described in the A D Min Max Raw discussion in section 2 3 4 amp TB2 provide each channel s terminals for receiving analog inputs amp 2 also provides 4 terminals connected to the FMC 4 internal 24 VDC power supply for powering external transmitters Figure 3 3 shows correct wiring for both 2 wire and 3 wire transmitters ee FMC 4 User s Guide R1 Ch1 100 ohm 4 20mA terminator Assy 10 0221 4 R2 Ch2 100 ohm 4 20mA terminator R3 Ch3 100 ohm 4 20mA terminator R4 Ch4 100 ohm 4 20 terminator Spare Spare 100 ohm 4 20mA terminator These 5 resistors are socketed for easy replacement Terminators are connected between each channel s HI amp LO terminals TB1 2 LO 24VDC Power Supply Common 24VDC 24VDC Power Supply output Q zvoc Q Q o Q Q 2 4 20mA INPUTS Figure 3 2 Signal Signal Common 24VDC Pwr 24 Pwr HI 3 Wire 4 20mA Transmitter 2 Wire 4 20mA Transmitter Figure 3 3 3 1 2 Optional Bridge Sensor Input Board 410 0309 Important 10 0309 PCBs may only be installed into motherboard position P1 The 10 0309 Quad Channel Bridge
19. 2 Dual Cat bead 10 0219 Note If installed this option Dual Toxic 10 0220 blocks access to the fuse and Dual 4 20mA 10 0221 Dt must be removed to replace fuse RELAY 1 Indicator Each Input option listed may also be configured for 4 20mA Inputs See drawings for details on each RELAY 2 Indicator WARNING For continued protection against fire replace only with same type and rating of fuse Part Littelfuse 217002 K1 K2 2 AMP FUSE 5 x 20mm TB4 TB5 555556 LS N O C L1 12 GND RELAY 1 RELAY 2 7 100 240 VAC 3505 dWv c RESET ALARM OPTION A 50 60 H DRY CONTACTS 45A 5060 Hz 3 wats MAX 7 4 s AC POWER 7 J2 TB4 Available for 10 30VDC Dry contact input for use Terminal 24 VDC 24 VDC power output 5 amp resistive SPDT Universal 100 240VAC primary power input with optional remote Terminal is open for remote devices such form C dry contact relay Primary power source May also be used as Alarm Reset switch collector 100mA driver as transmitters lights outputs Use appropriate terminals battery back up to AC Wires must be shorter for use with optional 100 relays etc 350mA MAX diode snubber devices mportant GND terminal primary power source than 10 feet amp shielded decibel piezo see Figure 3 0 when switching inductive 3 must be tied to earth TIE TB5 GND to EARTH if longer than 2 feet annunciator loads
20. 2 Chome Chiyoda ku Tokyo 100 0005 Japan Phone 8 1 3 6269 9646 Fax 81 3 6269 9647 Email jpsales raesystems com RAE Systems Korea 1010 DaeMyungAns Vill First Sang Dong 412 2 Wonmi Gu Bucheon Kyungki Do Korea Phone 82 32 328 7123 Fax 82 32 328 7127 Email krsales raesystems com 43 4 User s Guide CORPORATE HEADQUARTERS RAE Systems by Honeywell 3775 North First Street San Jose CA 95134 USA Phone 408 952 8200 Fax 408 952 8480 customerserv raesystems com WORLDWIDE SALES OFFICES USA Canada 1 877 723 2878 Europe 45 86 52 51 55 Middle East 00971 4 440 5949 China 86 10 5885 8788 3000 Asia Pacific 852 2669 0828 Rev A September 2013 www raesystems com P N F10 4001 000
21. 4 Channel Controller User s Guide Rev A September 2013 P N F10 4001 000 Product Registration Register your product online by visiting http www raesystems com support product registration By registering your product you can Receive notification of product upgrades or enhancements alerted to Training classes in your area Take advantage of RAE Systems special offers and promotions Copyright 2013 RAE Systems Inc Contents SECTION 1 GENERAL INFORMATION eeeeeee kein ether ene toan 1 1 0 General DES Ct pel ois onions spas 3 1 1 Data Display SCreens iocis e De e cei e puteo du eros ue a 4 1 1 1 Engineering Unit o 4 1 17 Bar GrapltSCcPEelbub Bade 4 1 1 3 Trend Serei aei ee e cea e o ie tp tertia ap 5 1 2 SS PC CII C AL ate carb cuss e tes beum bes du e E ut 5 12221 Power Supply Requirements aoa ieee te dtes 5 124 vsus pir 6 1 2 3 Ambient Temperature Ratiges uus daten re RE pero A aor 6 1 24 Humidity Ranges oso e co eon agen scc R 6 sees ti e LR Scu M 6 1 2 6 Housings Installation Categories dee era et etin vod das 6 1 2 7 Approvals ette de eoe ashes vtt d an
22. 5 86 52 51 55 Fax 45 86 52 51 77 orders raeeurope com sales raeeurope com service raeeurope com Web www raesystems eu RAE Systems UK Ltd D5 Culham Innovation Centre Culham Science Centre Abingdon Oxon OX14 3DB United Kingdom Phone 44 1865408368 Fax 44 1235531119 Mobile 44 7841362693 Email raeuk raeeurope com RAE Systems France ZI des Ayats 679390 MILLERY France Phone 33 4 78 46 16 65 Fax 33 4 78 46 25 98 Email info france raeeurope com Web www raesystems fr RAE BeNeLux BV Hoofdweg 34C 2908 LC Capelle a d Issel The Netherlands Phone 31 10 4426149 Fax 31 10 4426148 Email info rae nl Web www rae nl 42 FMC 4 User s Guide RAE Systems Spain s l Av Remolar 31 08820 Prat de Llobregat Spain Phone 34 933 788 352 Fax 34 933 788 353 Mobile 34 687 491 106 Email mdelgado raespain com Web www raespain com RAE Systems Germany GmbH Felix Wankel Str 5 82152 Krailing Germany Phone 49 89 20 70 40 248 Fax 49 89 850 93 74 Email orders raeeurope com RAE Systems Middle East LOB 7 Ground Floor Office 19 Jebel Ali Free Zone Dubai United Arab Emirates Phone 971 4 887 5562 Email mesales raesystems com RAE Systems Hong Kong Ltd Room 8 6 F Hong Leong Plaza 33 Lok Yip Road Fanling N T Hong Kong Phone 852 2669 0828 Fax 852 2669 0803 Email hksales raesystems com RAE Systems Japan Marunouchi Nakadori Bldg 6F 617 B 2 3 Marunouchi
23. 8 GIONE T or enw OUTPUT SETUP Wein Counts 208 Counts 1888 Figure 2 0 FMC 4 User s Guide 2 2 Changing Menu Variables Using The Keypad Upon entering a menu a pointer controlled by the UP DOWN keys indicates the selected variable Some are simple YES NO or ON OFF entries toggled by pressing the EDIT key Others such as Channel ID and Eunits fields may have many ASCII character possibilities Allowed ASCII characters are as follows ABCDEFGHIJKLMNOPQRSTUVWXYZ V abcdefghijklmnopqrstuvwxyz blank space amp 0123456789 lt gt Notice the often used blank character is located after lower case 2 and before the exclamation point EDIT places a cursor under the item and UP DOWN scrolls through each allowed entry The NEXT key moves the cursor to the next position within a field When the field is complete EDIT clears the cursor and loads the field into non volatile memory where it is retained indefinitely Without a cursor present the NEXT key closes open menus in reverse order and returns the LCD to the data display 2 2 1 FMC 4 Setup Configuration Menus The SETUP menu shown in the middle of Figure 2 0 and in Figure 2 1 is reached by pressing EDIT with any data display present This is the entry level screen to all Channel System and Security menus It also shows the revision of firmware operating in the FMC 4 Use
24. Divisor Chan 4 Span Real Chan 4 Span Divisor Chan 4 Fault Alarm Real Chan 4 Fault Alarm Divisor Chan 4 Alarm 1 Real Chan 4 Alarm 1 Divisor Chan 4 Alarm 2 Real Chan 4 Alarm 2 Divisor Chan 4 Alarm 3 Real Chan 4 Alarm 3 Divisor Memory ASCII Strings User Info Chan 1 User Info Chan 2 User Info Chan 3 User Info Chan 4 FMC 4 User s Guide 41020 41021 41022 41023 41024 410251 41026 41027 41028 41029 41030 41031 41032 41033 41034 41035 41036 41037 41038 41039 41040 41041 41042 41043 41044 41045 41046 41047 41048 40401 40405 40406 40410 40411 40415 40416 40420 10 ASCII characters 2 per register assigned to the unit identifier read as bytes EUNITS Chan 1 EUNITS Chan 2 EUNITS Chan 3 EUNITS Chan 4 10 ASCII characters 2 per register assigned to the engineering units read as bytes Chan 1 ASCII Reading Chan 2 ASCII Reading Chan 3 ASCII Reading Chan 4 ASCII Reading 40421 40425 40426 40430 40431 40435 40436 40440 40441 40443 40444 40446 40447 40449 40450 40452 6 ASCII characters 2 per register reflecting the display readout Firmware Version Version 40453 40455 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 3 NA 4 ASCII characters 2 per register reflecting the fi
25. FMC 4 User s Guide 2 3 3 Clock Delays Menu These FMC 4 timers accommodate inputs that may require varying times to stabilize after power is applied and after calibrations are complete Alarm Refresh menu allows reactivation of Acknowledged alarms after the time period expires This feature is used primarily to restart audible alarm devices after having been silenced by an acknowledge function via serial port or pressing the Alarm Reset button An entry of 0 seconds effectively disables the Alarm Refresh function Warm Up Delay menu allows setting how long alarm relays remain disabled after power is applied Cal Delay determines how long alarm relays are inhibited after completing a calibration Time and Date menu items are for setting the correct time and date The FMC 4 is equipped with a 24 hour clock and calendar Time of day must be entered in 24 hour mode For example 6 00 00 PM is indicated as18 00 00 CLOCK DELAYS B Alarm Refresh Hs Wlarm Ur Delay Bs Cal Delay bbs Time 17 54 22 Date Figure 2 10 2 3 4 Modbus Communications Menu The COMM SETUP menu allows setting of the system s Modbus port It may function as a wired Modbus Master Slave requires 10 0253 serial option in Section 3 2 A very common application is to connect two FMC 4 controller s serial ports together with one set as master and one as slave This allows the master to mimic readings from the slave Modbu
26. ODE Read Write Coils Alarm Ack Reset 2001 1 5 Note After writing a TRUE to this register the FMC 4 automatically returns it to FALSE Read Only Discrete Chan1 Fault Alarm 12001 2 NA 1 Alarm 1 12002 2 NA 1 Alarm2 12003 2 1 Alarm 3 12004 2 Chan2 Fault Alarm 12005 2 NA Chan2 Alarm 1 12006 2 NA Chan2 Alarm 2 12007 2 NA Chan2 Alarm 3 12008 2 NA Chan3 Fault Alarm 12009 2 NA Chan3 Alarm 1 12010 2 NA Chan3 Alarm 2 12011 2 NA Chan3 Alarm 3 12012 2 NA Chan4 Fault Alarm 12013 2 NA Chan4 Alarm 1 12014 2 NA Chan4 Alarm 2 12015 2 NA Chan4 Alarm 3 12016 2 NA Standard Relay 1 12017 2 NA Standard Relay 2 12018 2 NA Optional Relay 1 12019 2 Optional Relay 2 12020 2 NA Optional Relay 3 12021 2 NA Optional Relay 4 12022 2 NA Optional Relay 5 12023 2 NA Optional Relay 6 12024 2 NA Input Fault Relay 12025 2 NA Read Only Registers Product ID 30001 4 NA Returns the numeric value 1000 for product ID Firmware value 30002 4 NA Return a numeric value for firmware value as Version divided by 100 D2A Chan 31001 4 NA D2A Chan 2 31002 4 NA D2A Chan 3 31003 4 NA D2A Chan 4 31004 4 NA 12 bit value representing the D2A value of 800 0 to 4000 100 after all cal features are applied 29 FMC 4 User s Guide Chan 1 Status 31005 4 Chan 2 Status 31006 4 Chan 3 Status 31007 4 Chan 4 Status 31008 4 16 bit status word bit assignment for each channel ALARMI BELOW BIT BITI
27. Sensor Input option shown in Figure 3 4 allows these popular sensors to be connected directly to the FMC 4 without additional signal conditioning or transmitters Each channel is equipped with a bridge amplifier balance potentiometer and an adjustable switching regulator for setting the correct sensor excitation voltage 3 position coarse gain jumper allows setting the gain of the bridge amplifier Fault supervision circuitry forces the FMC 4 into a FAULT condition upon sensor failure or removal This option may also be configured to accept 4 20mA inputs into channels 3 amp 4 to allow mixing sensors and current loops into the same board Placing either channel s 2 position LEL 4 20mA jumper 7 5 or JP6 into the 4 20mA position and installing the associated precision 100 ohm socketed resistor allows 4 20mA signals to be applied to the mA mA terminals see Optional 4 20mA notes in Figure 3 4 Precision 100 ohm resistors are taped to the inside of the FMC 4 enclosure 23 FMC 4 User s Guide Bridge sensors require the nitial Setup calibration procedure described in section 3 1 3 After performing the one time only nitial Setup all subsequent calibrations are by the FMC 4 s electronic Cal Mode menus see section 2 2 5 Sensors mounted locally to the FMC 4 normally do not require nitial Setup since it is performed at the factory 3 1 3 Bridge Sensor Initial Setup Bridge sensors vary widely in power requirements and sensitivity It
28. UTION NONMETALLIC ENCLOSURE DOES NOT PROVIDE IN GROUNDING BETWEEN CONDUIT CONNECTIONS USE GROUNDING TYPE BUSHINGS AND JUMPER WIRES ALL FIELD WIRING MUST HAVE INSULATION SUITABLE FOR AT LEAST 250V 8 55 is cc Clamp Lotch g typicaD Instrument Viewing window 14 10 Front View F n Notes 1 o Material Polycarbonate 5 CF Side View 10 00 1 1105 18414 Bottom View Figure 4 0 34 FMC 4 User s Guide 4 1 4 5 NEMA 4 Painted Steel Wall Mount Extended The FMC 4PCS QUAD shown in Figure 4 1 is a Painted Carbon Steel NEMA 4 wall mount enclosure designed for non corrosive installations 9 84 8 84 la B o CO CO Instrument Viewing Window Single 1 4 Turn ae 1181 1290 13 65 Front View ap Y Side View Notes i Material Part l000 2377 316 Stainless Steel Part l000 2378 Painted Carbon Steel 1 8
29. User s Guide you will see references to part numbers These are internal part numbers for identification Refer to the table on page 38 to find the ordering numbers if you need parts from RAE Systems Proper Product Disposal At End Of Life The Waste Electrical and Electronic Equipment WEEE directive 2002 96 EC is intended to promote recycling of electrical and electronic equipment and their components at end of life This symbol crossed out wheeled bin indicates separate collection of waste electrical and electronic equipment in the EU countries This product may contain one or more Nickel metal hydride NiMH Lithium ion or Alkaline batteries Specific battery information is given in this user guide Batteries must be recycled or disposed of properly X mm At the end of its life this product must undergo separate collection and recycling from general or household waste Please use the return and collection system available in your country for the disposal of this product FMC 4 User s Guide 1 0 General Description The RAE Systems FMC 4 Four Channel Controller is designed to display and control alarm event switching for up to four inputs Inputs are typically voltage or 4 20mA current from transmitters monitors or other analog output devices The FMC 4 is equipped with a Fault and three alarm levels per channel with features such as on off delays latching relays and alarm Acknowledge dedicated horn driver circuit f
30. alarm combinations that will trip the selected relay Each Votes entry requires this quantity of channels for of each type alarm be active before this relay activates As illustrated in Figure 2 8 above Standard Relay 1 activates when any 2 channels have Alarm 1 conditions PLUS any one channel has an Alarm 2 condition And since the Over Ride menu see description below contains the Ch1A2 entry Standard Relay 1 also activates if alarm 2 on channel 1 trips Fault Votes and Alarm 3 Votes values are 0 therefore Fault and Alarm 3 conditions will not affect this relay Votes follow the logical function Failsafe set for YES causes this relay to be energized when its voting requirements are false no alarm condition and de energized when the alarm vote requirements are true The primary benefit of Failsafe is loss of power places the relay contacts into the alarm condition Over Ride menu allows entering one of the 16 different alarms that will trip this relay regardless of the Votes entries There are four alarms per channel and four channels Any one of these 16 alarms may be used as the Over Ride This feature is useful when one channel s alarm has more significance than the others perhaps a flame detector Sympathy alarms are also configured in the Over Ride menu When 4 controllers are sending their modbus data to an ST 72 controller it is possible to configure the ST 72 to return a trip command to the relay of a
31. andard non intrusive magnetic keypad 1 2 7 Approvals CSA C22 2 No 1010 1 and ISA S82 02 CSA C22 2 No 152 for combustibles UL 1604 22 2 No 213 Div 2 Groups A B C D 55011 amp EN61000 Mark CSA File 219995 and may be seen at CSA International org FMC 4 User s Guide SECTION 2 OPERATION 2 0 Basic Operation The FMC 4 s graphic LCD displays monitored data and with the 5 button keypad also serves as the system s operator interface All FMC 4 configuration variables are entered with this operator interface using SETUP menus accessed by pressing EDIT from either data screen This Setup mode may be exited manually by pressing NEXT or automatically when no keys are pressed for 5 minutes Alarm relays and front panel alarm LED indicators remain active during the Setup mode Alarm LED s flash upon new alarms and become steady after Acknowledged by pressing the ALARM RESET key A SECURITY menu offers a password feature to prevent tampering with FMC 4 parameters A sign on screen appears briefly after power is applied that indicates what type input output options the unit is configured with 2 1 Setup Menu Configuration Variables inside the CHANNEL see section 2 2 and SYSTEM see section 2 3 menu trees allow FMC 4 configuration for a wide range of monitoring applications Select the desired menu by scrolling with UP DOWN and then EDIT to enter each menu Figure 2 0 illustrates the menu tree for configuring Chann
32. cations Menu ee 17 2 3 5 Amato Se UD Men s oc petisset 18 2 4 System Security 18 SECTION 3 INPUT OUTPUT BOARDS e rer eor et ee ee 20 3 0 Motherboard Interface 10 0215 sse 20 3 1 Input Output Optional 22 3 1 1 Optional Analog Input 10 0221 4 222222 2 2 2 1 1 00000 00000010000000004 3 22 3 1 2 Optional Bridge Sensor Input Board 10 0309 23 3 1 3 Bridge Sensor Initial Setup aee ascertain edi ere 24 3 1 4 Optional Discrete Relay PCBs 210 0222 25 3 1 5 Optional 4 20mA Analog Output Board 7110 0308 27 3 2 Modbus RS 232 RS 485 Interface Option 10 0253 27 3 2 1 Modbus Register And Function Code Summary 29 3 3 Optional 24VDC 50 Watt Power 2 33 SECTION esencia elles Guo AN e 34 4 0 FMC 4PY NEMA 4X Polycarbonate Wall Mount Extended 34 4 1 FMC 4PCS NEMA 4 Painted Steel Wall Mount 4 35 4 2 FMC 4SS NEMA Stainless Steel Wall Mount Extended
33. creen To lock or unlock the system the correct 4 digit authorization number must be entered into 18 FMC 4 User s Guide the Pass Code field It is very important to remember the 4 digit code since the factory must be consulted if it is lost SYSTEM SECURITY 34 B Contact Hame Pass Code Unlocked Figure 2 13 19 FMC 4 User s Guide SECTION 3 INPUT OUTPUT BOARDS 3 0 Motherboard Interface 7110 0215 The FMC 4 Motherboard shown below Figure 3 1 is the interface between the Display CPU assembly and all other system I O devices The Display CPU assembly attaches to the motherboard with four standoffs and connects via ribbon cable to S1 Input options described in sections 3 1 1 and 3 1 2 are available that may be installed into the Input Option P1 connector located on the lower left side of the motherboard middle position P2 connector is for the 10 0308 4 20mA Output option and the right position P3 connector is for the 10 0222 Discrete Relay option Other option devices such as Modbus RTU RS 485 Ethernet and a data logger may also be installed to connectors located on the Motherboard The Motherboard PCB contains a 24 VDC universal input 100 240 VAC switching power supply with up to 350mA available at the TB3 Auxiliary Power Output terminals If AC power is unavailable or if a DC battery back up supply is needed 1 provides terminals for DC power input Blocking diodes isolate internal an
34. d external DC supplies as shown in Figure 3 0 See section 1 2 1 for additional power source information Universal Input A Power Supply AC In 2 Amp 250V 5x20mm fuse located under terminal cover WARNING For continued protection against fire replace only with same type and rating of fuse To Local Controller Circuits To optional 10 0221 Al 24VDC Terminals SHOCK HAZARD C L1 12 GND RISK OF ELECTRICAL SHOCK DISCONNECT OR 100 240 VAC SUPPLY POWER 45A 50 60 Hz TURN OFF POWER INPUT _ OUTPUT AC POWER BEFORE SERVICING THE only with AC Primary Power EQUIPMENT Figure 3 0 TB2 offers field terminals for a remote alarm reset switch The motherboard also includes standard alarm relays 1 amp 2 K1 amp K2 and their indicating LED s TB4 provides field wiring terminals for these relays 5 is for connection to the 100 240 VAC power source J2 is a 2 pin connector for powering the optional part 1000 1892 audible annunciator 20 FMC 4 User s Guide 0010 1167 Rev Assy 10 0215 2 Channel Controller MotherBoard CR5 J Universal Switching Power Supply PS1 RS R85 ETHERNET OPTION Ribbon Cable to 10 0214 Display Assembly 2 1 0 volts DATA LOGGER PORT mL Connections to J1 amp J3 are not covered by CSA J1 SENSOR INPUT OPTION ee DISCRETE RELAY OPTION Combination Cat bead Toxic 10 0216 See dwg 10 0228 See dwg 10 022
35. el and System specific variables Channel variables affect only the specific channel selected while System variables are related to features not specific to any channel FMC 4 User s Guide QUAD Channel Controller Menu Tree Engrg Unit Screen Bar Graph Screen Ch Trend Screen Engraunits 384 erm 36 1 25 imm 1272015 Engraunits CH4 FAULT LEL CH4 Press Next Press Next returns al FL Press Next 21 1 to scroll Ch to EUnit Screen 20 9 0 28 9 75 os Oxygen rem T3 pem CO Al 1 Press Edit to enter menu levels amp Next to reverse direction m SETUP firmware rew Press Edit m Channel x SETUP Press Edit FRULT Setur Channel 1 Fault WeChannel 2 Alarm 1 WeFault Level Channel 3 Alarm 2 Delay Bs Channel 4 Alarm 2 OFF Delay System We Conf igure CAL Setur History Select Item press Edit Select Item press Edit System Menus Alarm 1 2 3 menus RD m are identical SYSTEM SETUP Press Edit RELAY SETUP Hlarm x Setur W Relas Setur y Standard rt Relay 1 R2 Ack Horn Setur Fault Votes 8
36. ent SW1 SW5 are the magnetic keypad allowing operator interface w o opening the enclosure Touch key access requires opening the enclosure UP DOWN NEXT EDIT RESET CAL Figure1 1 1 1 Data Display Screens The FMC 4 Controller offers three modes for displaying monitored data Each are shown in Figure 1 2 Engrg Unit Screen Bar Graph Screen Ch Trend Screen 58 1 Engraunits Chx 38 CO 58 1 25 Ensrallhits CH4 FAULT LEL Press Next Press Next returns RI FL Press Next to scroll Ch to EUnit Screen 28 9 4 Dxygen Trend Screens Oxegen rem foal Fem CO R2 AL Engrg Unit Screen has flashing alarm Bar Graph Screen has lines across Trend Screen shows most recent 30 icons for Al H2 FL fail bars to graphically indicate monitored minutes trend one channel per screen Menu Item in the SYSTEM group values relative to their alarm set points Press NEXT key to advance to next channel Alarm levels shown as controls if these reading display or dashed lines across each screen block negative values Figure 1 2 1 1 4 Engineering Unit Screen The FMC 4 Engineering Unit screen shown at left in Figure 1 2 allows each channel s value and its 10 digit Eunits tag to be viewed simultaneously 1 A2 FL icons at lower right of each reading flash if ALARM 1 2 3 or FAULT alarms activate fo
37. flash until an Alarm Reset occurs causing an acknowledged steady on condition Operators should recognize new alarms by a flashing LED Alarm Reset also acknowledges or deactivates audible devices driven by the AUDIBLE ALARM option connector J2 see Figure 3 1 224 Configure Menu To Define Channel The channel setup menu after the alarm menus is CONFIGURE It allows setting Name and EUNIT 10 digit ASCII fields defines the measurement range with ZERO amp SPAN entries number of Decimal Points of resolution the reading will have and if the channel is Active CHHHHEL CONFIG B Hame digits digits SF ar 164 Decimal Pts Channel Active YES Figure 2 4 2 2 4a Name Eunits ASCII Data Fields The first two items in this menu are for entering the 10 character channel Name and engineering unit ASCII fields Name should describe the channel s data in user terminology such as tag or other description Eunits should define the units of measure for what this channel is to display Section 2 2 describes how to modify these fields using the keypad 2 2 46 Input Measurement Range The Zero Span menu entries allow configuration of the measurement range displayed by this channel Measurement Range defines the range of the input signal s engineering units For example if a channel s input is 4 20mA from a transmitter monitoring 0 to 10ppm chlorine then the Zero value should equal 0 0
38. is therefore important to configure each channel to match the sensor with which it will operate Sensors attached to the FMC 4 enclosure at the factory have already had Initial Setup l Prior to connecting remote sensors apply power to the system Measure the voltage between each channel s A and R terminals and set the Voltage Adjust potentiometers for the correct sensor excitation voltage remove FMC 4 terminal cover This may range from 1 5 volts to 7 5 volts depending upon sensor specifications CAUTION Sensors may be damaged by accidental over voltage conditions It 15 recommended the Voltage Adjust potentiometer screws be covered by a dollop of RTV or similar material after completion of this procedure 2 Remove system power and connect sensor wires to the A C R terminals Reapply system power and confirm correct voltage across each sensor s A amp R terminals Note if sensor wires are long it will be necessary to measure the excitation voltage at the sensor end to compensate for I R voltage losses in the wiring 3 With zero cal stimulus on that sensor adjust its Balance potentiometer for a ZERO reading on the LCD 4 Apply 50 span stimulus to the sensor and allow the reading to stabilize Place the 3 position Coarse Gain jumper into the position which reads between approximately 45 and 6596 with 5096 on the sensor Gain settings for each jumper position are as follows no jumpers 1 LO 7 MED 12 HI 24 Multiple jumper
39. ke is detected after 5 minutes Use the following step by step procedure to perform ZERO and SPAN calibrations 1 Toenter the CAL MODE from any data display press the dual purpose DOWN CAL key then use the UP DOWN keys to select the channel to calibrate 2 Stimulate the monitor to be calibrated with an appropriate ZERO calibration standard Observe the screen s live reading and when it is stable press the EDIT key to perform the ZERO calibration 3 Ifthe ZERO calibration 1 successful CAL MODE automatically proceeds to the SPAN check 4 Apply the correct SPAN calibration standard After the reading is stable press the EDIT key to perform a SPAN calibration WARNING The SPAN calibration standard used must match the value specified since this is the reading the FMC 4 will indicate after a successful SPAN calibration The SPAN calibration value may be edited if it becomes necessary to apply a different calibration standard to set SPAN see Span Calibration in section 2 2 5 5 Ifthe SPAN calibration is successful the display flashes REMOVE CAL GAS and starts the CAL DELAY 6 CAL MODE will be complete after the end of the CAL DELAY The flow chart in Figure 2 6 illustrates the above procedure UP CAL NEXT amp EDIT labels indicate keystrokes CAL DOWN is a dual purpose key The CAL MODE information screen top of the chart is available for advanced users to see Offset Gain calibration constants and live analog to digi
40. ll FMC 4s configured with a sympathy alarm that are on the same modbus network This feature is especially useful when several FMC 4 QAUD controllers are combined to monitor a perimeter It makes it possible for an alarm detected at one controller to trip an alarm at the others An example is instead of only a strobe light at the unit with the alarm flashing 15 strobe the Sympathy feature allows all units to flash their strobe in sympathy to the unit with the actual alarm condition 15 FMC 4 User s Guide SympFIt SympA1 SympA2 or SympA3 are the sympathy alarm options available A Sympathy mode in our ST 72 controller broadcasts the Sympathy over ride when it detects an alarm condition from another network controller When a sympathy alarm is entered into this field and the correct Sympathy setup 15 configured into the ST 72 controller the FMC 4 relay will energize when the corresponding alarm level is reached at another FMC 4 controller that is part of the network The alarm level is assigned to the relay by entering one of the four possible sympathy overrides SympFIt SympA1 SympA2 or SympA3 When the relay has Sympathy override assigned the FMC 4 accepts a broadcasted alarm flag from the ST 72 The active Sympathy alarm condition causes the screen to flash Sympathy and energize the relay With these settings if four FMC 4s are setup in a perimeter monitoring application and a Sympathy override is assigned to a relay at each powering a
41. ly Including 10 0006 LCD 10 0195 RC10 0195 000 PC Discrete Alarm Relay Board Qty 8 5A Form C Relays 10 0208 RC10 0208 000 Full Width 19 Rack Supports 1 or 2 FMC 16SM s 10 0213 RC10 0213 000 Replacement Main I O PCB For FMC 16PM Ribbon Connector On Circuit Side Of PCB 10 0214 Dual RC10 0214 002 FMC 2 Dual LCD Microcontroller PCB amp Ribbon Cable 10 0214 Quad 10 0215 RC10 0214 004 RC10 0215 000 FMC 2 Quad LCD Microcontroller PCB amp Ribbon Cable FMC Dual Quad Mother Board PCB Assembly Specify Enclosure Type 10 0221 Dual RC10 0221 002 Dual Channel 4 20mA Input 10 0221 Quad RC10 0221 004 Quad Channel 4 20mA Input 10 0222 RC10 0222 000 Optional alarm relay board 6 5A form C relays 10 0223 RC10 0223 000 Dual 4 20mA output 10 0231 RC10 0231 000 Replacement FMC 16 Front Graphic Panel 10 0253 RC10 0253 000 RS 232 RS 485 Modbus RTU Addressable Interface 10 0284 RC10 0284 000 Red Strobe Light Suitable For Div 2 Hazardous Areas 10 0285 RC10 0285 000 Yellow Strobe Light Suitable For Div 2 Hazardous Areas 10 0308 RC10 0308 000 Quad 4 20mA Output 10 0316 RC10 0316 000 Blue Strobe Light Suitable For Div 2 Hazardous Areas 10 0319 RC10 0319 000 Magnetic Mounting Kit Qty 4 Magnets 10 0321 RC10 0321 000 19 Rack 6 Position Expansion Plate Adds Up To 6 Option Positions 38 FMC 4 User s Guide
42. nstallation to prevent access to high voltages by unauthorized personnel see Figure 4 0 Only the combustible monitor portions of this instrument have been assessed by CSA for 122 2 No 152 performance requirements This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations only WARNING EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I DIVISION 2 WARNING EXPLOSION HAZARD DO NOT REPLACE FUSE UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS FMC 4 User s Guide WARNING EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS Usea properly rated CERTIFIED AC power mains cable installed as per local or national codes For DC powered units DC power must be from a SELV rated source Acertified AC power mains disconnect or circuit breaker should be mounted near the controller and installed following applicable local and national codes If a switch is used instead of a circuit breaker a properly rated CERTIFIED fuse or current limiter is required to be installed as per local or national codes Markings for positions of the switch or breaker should state I for on and O for off e Clean using only a damp cloth with no solvents e Equipment not used as prescribed within this manual may impair overall safety Parts amp Accessories Throughout this
43. or a local audible annunciator is also standard Two standard 5 amp alarm relays are configurable via the alarm voting menu to make relays trip based upon various alarm combinations Real Time Clock and Calendar are also standard Options such as 4 20mA outputs discrete relays for each alarm and audible annunciators are easily added RS 485 Modbus or Ethernet Modbus TCP ports are also available for sending data to PCs PLCs programmable logic controllers DCSs distributed control system or other RAE Systems controllers A 128 x 64 pixel graphic LCD readout displays monitored data as bar graphs 30 minute trends and engineering units System configuration is via user friendly menus and all configuration data is retained in non volatile memory during power interruptions The 4 front panel is shown in Figure 1 0 The five button symbols below the display are magnetically activated using the supplied magnetic wand without opening the enclosure Opening the enclosure door provides access to the touch keypad as shown in Figure 1 1 ALARMS STATUS a3 RAE CON 4 CHANNEL CONTROLLER B Reset Figure1 0 FMC 4 User s Guide Assy 10 0214 e Programming Header Common Alarm Level LED s LED Indicators ALARM 1 3 1 2 I KEYPAD Enarallnits CH4 ALARM 2 CAL IN PROGRESS ALARM 3 FAULT ALARM Quad Screen Shown NEXT key to LCD Contrast display Bar Graph or Trend screens adjustm
44. r this channel 1 1 2 Bar Graph Screen Values are displayed graphically as bar graphs with alarm levels indicated by vertical dashed lines across each bar The bar graph screen is very useful for emphasizing current reading relative to the channel s alarm set point Live readings and their Eunits tag appear above each bar graph FMC 4 User s Guide 1 1 3 Trend Screen The FMC 4 also provides 30 minute trend screens for each channel as shown in Figure 1 2 Live readings and their Eunits tag are displayed across the top of each trend screen Channel numbers are shown in the upper right and are selected by the NEXT key A1 A2 and A3 alarm levels appear as horizontal dashed lines across the screen 1 2 Specifications 1 2 1 Power Supply Requirements FMC 4 primary power may be either 10 to 30 VDC or 100 to 240VAC AC power requirements are 100 to 240 VAC 50 60 Hz 0 80 amp max including inrush and 40 watts maximum steady state applied to TB5 on the motherboard If AC power is not available the primary power may be 10 to 30 VDC applied to on the motherboard A backup DC power source may also be connected to TB1 for automatic switchover if the AC power source fails See Figures 3 0 and 3 1 for wiring information The basic FMC 4 consumes only 1 5 watts of 10 to 30 VDC power Optional features such as relays and analog outputs increase power consumption as described below Analog Input option part number 10 0221 4 add
45. re should be utilized only when there are no other zero span controls within the monitoring system since it is inappropriate to calibrate a signal at more than one point Therefore if calibration will be performed at another transmitter or monitoring device the FMC 4 CAL MODE feature should not be used The CAL SETUP menu allows entering the correct Zero amp Span Gas set point values needed to calibrate the channel These are entered in the same engineering units as input range Ch x CAL SETUP Calibrate ero Gas gran Gas rar Set UNITY Gain CAL Offset a na CAL Gain 1 668 Figure 2 5 2 2 6 Calibrate Input Menu The CAL MODE flow chart shown in Figure 2 6 is designed to make calibration quick easy and error free A successful ZERO and SPAN calibration requires only a few keystrokes Optional 4 20mA outputs if equipped transmit 1 5mA during CAL MODE and 4mA during the subsequent CAL DELAY to prevent external alarms during 12 FMC 4 User s Guide calibration Local FMC 4 alarm relays are inhibited during CAL MODE Unintentional calibrations may be reset by the Set UNITY menu item Set UNITY resets Cal OFFSET to 0 amp Cal GAIN to 1 which is useful for returning the calibration to a known starting place Sensor aging may be monitored by recording zero and span readings at Unity Gain when the sensor is new and again later when degradation may have occurred CAL MODE automatically exits if no keystro
46. rmware version 3e FMC 4 User s Guide Sympathy Notes 40004 registers are utilized by our ST 72 controller when a Modbus network 15 configured for sympathy see section 2 3 1 This feature must be configured in both the ST 72 Modbus master controller and the FMC 4 Modbus slave controllers to function Sympathy Status 40004 NA 6 O FALSE I TRUE FAULT BITO ALARM 1 BITI ALARM 2 BIT2 ALARM 3 BIT3 Acknowledge 15 3 3 Optional 24VDC 50 Watt Power Supplies Many applications require 24 power in excess of the 10 watts supplied by the PS1 power supply located on the motherboard see Figure 3 1 Extended enclosure models see Section 4 may be equipped with an integral 1000 2259 NEC Class 2 FIFTY WATT supply are available for Division 1 P N 10 0314 and Division 2 part 10 0315 potentially hazardous area installations and both also include a NEMA 4X weather rating EXTENDED series enclosures described in Section 4 of this manual may include the 1000 2259 DIN rail mounted 50 watt Power Supply module built into these larger enclosures 33 FMC 4 User s Guide SECTION 4 4 0 4 NEMA Polycarbonate Wall Mount Extended The FMC 4PY QUAD wall mount NEMA 4X enclosure is shown in Figure 4 0 Non metallic enclosures are not grounded by metal conduit For internal ground points to be grounded to earth the TB5 GND terminal must have a proper earth ground connection see Figure 3 1 CA
47. s Master mode allows the communication port to poll any Modbus s ave device using the Modbus RTU protocol Modbus Slave mode allows the communication port to be polled by any Modbus master device using the Modbus RTU protocol This s ave port may be used to transfer FMC 4 data to a Modbus master device such as a PC PLC DCS or even other RAE Systems Controllers such as the 16 Channel FMC 16 The slave port is addressable allowing many FMC 4 controllers to be connected to a single RS 485 cable A converter is available to make this port also compatible with Ethernet TCP IP networks 17 FMC 4 User s Guide The entire Modbus database including registers and supported Function Codes 18 documented in section 3 2 1 2 3 5 Analog Setup Menu The system ANALOG SETUP menus in Figure 2 12 allow setting the 11 bit A D analog to digital counts and the 10 bit D A digital to analog counts for each of the four channels Use the Set Channel entry to scroll to the desired channel using the EDIT key The live A D counts value for the channel selected is also shown on the bottom of this screen The default setting for A D counts is 400 for Min and 2000 for Max This is based upon a 0 20mA input providing 0 2000 counts or 100 counts per mA input Min Counts Max Counts entries in the INPUT SETUP menus define the input A D counts range for Zero and Span readings as described in section 2 2 4b The default settings for each analog channel are 400
48. s have an additive affect upon gain so for example the LO and MED jumpers together provide a gain of 19 Initial setup is now complete and normally only requires repeating if a sensor is replaced Note Final calibration of this channel may now be performed using the FMC 4 s electronic Cal Mode feature described in section 2 2 5 24 FMC 4 User s Guide Optional 4 20mA Input Notes for Ch s 3 amp 4 TR1 Ch3 100 ohm 4 20mA terminator TR2 Ch4 100 ohm 4 20mA terminator Install TR1 or TR2 only for 4 20mA Inputs Move JP5 or JP6 to 4 20 left side A C AJR Ci AIR C A Chan 1 Chan 2 mA mA Ch3 mA Input TB1 8 TB1 9 Chan 3 Chan 4 Ch4 mA Input TB1 11 TB1 12 Shields may be tied to PCB mounting screw EXC1 EXC2 EXC3 EXC4 Set EXC Sensor Excitation pots R2 R12 R22 R32 for correct Sensor volts between les R amp A terminals for channels 1 2 3 amp 4 BAL1 BAL2 BAL3 BAL4 Set BAL Sensor Balance pots R3 R13 R23 R33 for correct ZERO readings for R3 channels 1 2 3 amp 4 Set Coarse Gain jumpers JP1 2 JP3 JP1 JP2 4 for correct sensor millivolts for channels z 1 2 3 amp 4 EA m SC MI JP5 id gt gt Assy 10 0309 5 uj pe Figure 3 4 3 1 4 Optional Discrete Relay PCBs 7110 0222 Important 10 0222 PCBs may only be installed into motherboard position P3 The optional Discrete Relay PCB shown in Figure 3 5
49. s on the upper left corner of the FMC 4 motherboard provides two pairs of T Rx terminals and a floating terminal for shield continuation This makes it easy to multi drop FMC 4s onto an RS 485 cable without doubling wires into the same screw terminals RS 232 interface may be made by connecting to DB9 connector S1 Section 3 2 1 lists all Modbus registers and their function codes 27 FMC 4 User s Guide Follow correct IEEE RS 232 and RS 485 installation guidelines when using the 10 0253 option 5 232 Connector Schematic connect 1 NC 1 gt TXD 25 RXD 35 GND4 NC 55 NC 65 Shorted to 8 7 Shorted to 7 8 J NC 95 leuas RS 232 JP1 selects either RS 232 JP2 or RS 485 operation Term H Resistor Qu Select 1 V JP2 installs RS 485 terminating resistor end of cable only Sgr Su RS 485 Terminal 1 A 1 T RX NC for shi RS 485 Transceiver RS 232 Transceiver na fe D 0010 1204 Assy 10 0253 1 5 485 terminations 51 RS 232 terminations 9 e T RX Figure 3 7 28 FMC 4 User s Guide 3 2 1 Modbus Register And Function Code Summary The following table identifies the available modbus RTU register locations and function codes VARIABLE ALIAS READ FUNCTION CODE WRITE FUNCTION C
50. seconds SFAH CAL CAL Successfu 1 Successfu 1 Figure 2 6 2 3 System Configuration Menus Several items needing configuration are not specific to either channel but affect the entire 4 system These are located in the SYSTEM menus group shown in the dotted line box in Figure 2 0 System menus are accessed through the System SETUP menu shown in Figure 2 7 by pointing to the desired item and pressing EDIT SYSTEM SETUP 7 B Setur R2 Hck Horn Setur Clockz Delass Communications InFut Q utrut S5Setur Track Hedative Figure 2 7 14 FMC 4 User s Guide 2 3 1 Standard Optional Relay Setup Menus The menu shown in Figure 2 8 allows configuring of both the standard Relay 1 amp Relay 2 motherboard relays and the six optional relays on the 10 0222 discrete relay option PCB Both standard and optional relays are programmed in this menu Select the relay to be configured by pointing the arrow at the top menu item and pressing EDIT The field will scroll through all eight possible relays 2 standard and 6 optional RELAY SETUP 4 Standard Relay 1 B Fault Votes B Alarm 1 Wotes 2 Alarm 2 WUotes 1 Alarm 3 Wotes Failsafe Quer Ride 2 Figure 2 8 e Fault Alarm 1 Alarm 2 Alarm 3 menus in Figure 2 8 offers additional voting flexibility by controlling the channel
51. served 0 Reserved BIT11 Reserved BIT12 Reserved BIT13 Reserved BIT14 Reserved BIT15 VARIABLE ALIAS READ FUNCTION CODE WRITE FUNCTION CODE Memory Reals Notes 41001 41040 Real represents float value without the decimal point such that 123 4 is returned as 1234 Decimal devisor is returned as 1 10 100 or 1000 for decimal position of 1 2 3 or 4 where 123 4 would return the devisor value 10 Chan 1 Zero Real 41001 3 NA Chan 1 Zero Divisor 41002 3 NA Chan 1 Span Real 41003 3 NA Chan 1 Span Divisor 41004 3 NA Chan 1 Fault Alarm Real 41005 3 NA Chan 1 Fault Alarm Divisor 41006 3 NA Chan 1 Alarm 1 Real 41007 3 NA Chan 1 Alarm 1 Divisor 41008 3 NA Chan 1 Alarm 2 Real 41009 3 NA Chan 1 Alarm 2 Divisor 41010 3 NA Chan 1 Alarm 3 Real 41011 3 NA Chan 1 Alarm 3 Divisor 41012 3 NA Chan 2 Zero Real 41013 3 NA Chan 2 Zero Divisor 41014 3 NA Chan 2 Span Real 41015 3 NA Chan 2 Span Divisor 41016 3 NA Chan 2 Fault Alarm Real 41017 3 NA Chan 2 Fault Alarm Divisor 41018 3 NA Chan 2 Alarm 1 Real 41019 3 NA 0 Chan 2 Alarm 1 Divisor Chan 2 Alarm 2 Real Chan 2 Alarm 2 Divisor Chan 2 Alarm 3 Real Chan 2 Alarm 3 Divisor Chan 3 Zero Real Chan 3 Zero Divisor Chan 3 Span Real Chan 3 Span Divisor Chan 3 Fault Alarm Real Chan 3 Fault Alarm Divisor Chan 3 Alarm 1 Real Chan 3 Alarm 1 Divisor Chan 3 Alarm 2 Real Chan 3 Alarm 2 Divisor Chan 3 Alarm 3 Real Chan 3 Alarm 3 Divisor Chan 4 Zero Real Chan 4 Zero
52. tal converter A D counts Span set point calibration values may also be edited from this screen Holding the UP key for 5 seconds during CAL MODE displays this screen Unity Gain may be used at any time to cancel incorrect calibrations and start again Unity means Offset 0 00 and Gain 1 00 13 ANY DATA DISPLAY 38 1 25 EngrSUnits CH4 FL 28 9 73 1 Oxygen CO R2 AL Press CAL key SELECT CAL CHANNEL Channel 3 Channel 4 to Exit Hold UP key 5 sec FMC 4 User s Guide live reading Eunits 12 bit Counts xxxx CAL Sean Value 50 0 EDIT Set Span Value Offset 1280 Hold UP key 5 sec to enter CAL MODE info screen Use to change SPAN GAS value to view Offset Gain constants and observe live counts reading Gain 1 NEXT Return to Cal Hold UP key 5 sec Back to DATA EDIT to Select DISPLAY SelectChtocaL AF Fly ZUAL Aree ls SVAL 36 1 25 then press EDIT NEXT KEY NEXT EnsrSUnits WLEL ees Eunits live reading eunits live reading eunits CAL GAS EDIT to Set ZERO EDIT to Set SPAN k 15 a CAL Mode NEXT EXIT CAL Mode Unwwen CO EDIT EDIT time period If ZERO Cal Fails If ZERO Cal OK If SPAN Cal Fails If SPAN Cal OK show for 5 seconds show for 5
53. the UP DOWN keys to move the pointer to the desired menu and press the EDIT key SETUP firmware reu3 Channel 1 Channel 2 Channel 5 Channel 4 System Security History Figure 2 1 FMC 4 User s Guide 222 Channel Setup Entry Menu The CHANNEL menu shown below in Figure 2 2 allows configuration of all variables for the selected channel These are Fault Alarm 1 Alarm 2 Alarm 3 Configure and CAL Setup Channel x SETUP 43 Fault Hlarm 1 Hlarm 2 Hlarm 3 Configure CAL Setur Figure 2 2 2 2 3 Fault Alarm 1 Alarm 2 Alarm 3 Setup Menus Alarms 1 2 and 3 have identical menus The only difference between each is A1 front panel LED indicators are yellow while A2 and A3 are red Typical applications often have set ata WARN level A2 at a HIGH level and A3 at a higher SHUT DOWN level However it is important to understand there is no functional difference between A2 and and since their configuration menus are identical only one is shown in Figure 2 3 The Fault menus is identical to A1 A2 A3 except Fault alarms are always low trips alarm activates as input goes below the set point and Fault alarms may not be set for latching operation Alarm 1 2 3 menus are identical FAULT Setur Alarm x Setup B Fault Level B Set Point Delas Delay OFF Delay OFF Delay Low Latchina Figure 2 3 Set Point is entered in engineering units and determines the value
54. where the alarm trips For example if a channel monitors 0 50 25 and the desired alarm level is 10 ppm the correct entry is 10 00 A one percent dead band prevents alarm chatter This means after tripping an alarm the input must move at least 1 of full scale back through the setpoint for the alarm to auto reset ON Delay OFF Delay entries allow ON and OFF time delays affecting how long the trip point must be surpassed before an alarm event transition occurs ON delays are limited to 10 seconds while OFF delays may be as long as 120 minutes 10 FMC 4 User s Guide Delays are useful in many applications to prevent nuisance alarms and unwanted cycling into and out of alarm conditions Low Trip is set for NO for increasing alarms or YES for decreasing alarms to determine if the alarm activates upon exceeding or falling below the set point Latching determines either manual or automatic alarm reset operation YES requires a manual Alarm Reset to unlatch the alarm even though an alarm condition no longer exists YES also causes this alarm s common relay front panel LED and optional discrete relay to latch NO allows all outputs for this alarm to automatically reset after the alarm condition clears Common alarm LED indicators on the left side of the front panel indicate the status of Al A2 A3 alarms The common Fault LED is on the lower right side of the front panel Any new alarm event causes the associated LED to
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