Rice Lake iRev 920i Installation Manual Download Page 27

Configuration

23

SCALES Menu, FORMAT Submenu

Parameter

Choices

Description

Level 4, FORMAT submenu

PRIMAR

DECPNT
DSPDIV
UNITS

Specifies the decimal position, display divisions, and units used for the primary units. See
Level 5 submenu parameter descriptions.

SECNDR

DECPNT
DSPDIV
UNITS
MULT

Specifies the decimal position, display divisions, units, and conversion multiplier used for the
secondary units. See Level 5 submenu parameter descriptions.

TERTIA

DECPNT
DSPDIV
UNITS
MULT

Specifies the decimal position, display divisions, units, and conversion multiplier used for the
tertiary units. See Level 5 submenu parameter descriptions.

ROC

DECPNT
DSPDIV
MULT
UNITS
INTERVL
REFRESH

Specifies the decimal position, display divisions, conversion multiplier, units, update interval,
and refresh interval used for the rate of change units. See Level 5 submenu parameter
descriptions.

Level 5 submenus 

Primary Units (PRIMAR) Parameters

DECPNT

8888888

8888880
8888800
8.888888
88.88888
888.8888
8888.888
88888.88
888888.8

Decimal point location. Specifies the location of the decimal point or dummy zeroes in the
primary unit display. Value should be consistent with local legal requirements.

DSPDIV

1D

2D
5D

Display divisions. Selects the minimum division size for the primary units displayed weight.

UNITS

LB

KG
G
OZ
TN
T
GN
TROYOZ
TROYLB
LT
CUSTOM
NONE

Specifies primary units for displayed and printed weight. Values are: LB=pound;
KG=kilogram; G=gram; OZ=ounce; TN=short ton; T=metric ton; GN=grain; TROYOZ=troy
ounce; TROYLB=troy pound; LT=long ton.

Table 3-3. SCALES Menu, FORMAT Submenu Parameters 

Summary of Contents for iRev 920i

Page 1: ...67887 Programmable Indicator Installation Manual 920...

Page 2: ......

Page 3: ...figuration 17 3 1 Configuration Methods 17 3 1 1 iRev Configuration 17 3 1 2 Serial Command Configuration 17 3 1 3 Front Panel Configuration 18 3 2 Menu Structures and Parameter Descriptions 18 3 2 1...

Page 4: ...4 9 1 6 Batching Control Commands 75 9 2 Widget Programming 76 9 2 1 Scale Widgets 76 9 2 2 Bitmap Widgets 76 9 2 3 Bargraph Widgets 77 9 2 4 Label Widgets 77 9 2 5 Numeric Widgets 77 9 2 6 Symbol Wid...

Page 5: ...D cards or serial input from an external digital indicator The maximum number of scale inputs is 28 these can be combined to represent up to 32 scale con gurations Four digital I O channels on main b...

Page 6: ...dgets can be displayed in legal for trade multiple scale applications status areas on the display are used for operator prompts and entering data The remainder of the display can be graphically con gu...

Page 7: ...LCD display softkey functions are activated by pressing the arrow keys below the softkey tabs Figure 1 1 on page 2 The particular set of softkeys shown on the display is determined by the indicator c...

Page 8: ...lug installed to prevent moisture from entering the enclosure Depending on your application remove the plug from any cord grip that will be used and install cables as required 2 3 1 Cable Grounding Ex...

Page 9: ...cable ties to secure serial cables to the inside of the enclosure Table 2 2 shows the pin assignments for Ports 1 3 and 4 Port 2 provides DIN 8and DB 9 connectors for remote keyboard attachment of PS...

Page 10: ...ssignments J11 PORT 1 J9 PORT 3 J10 PORT 4 J2 PIEZO BUZZER OPTION J13 6VDC GND GND 6VDC EXPANSION BUS GND RS 232 RxD RS 232 TxD GND 20mA OUT RS 232 RxD RS 232 TxD 20mA OUT RS 232 RxD RS 232 TxD 20mA O...

Page 11: ...ect power to the 920i before installing option cards 1 Disconnect power to the indicator Remove backplate as described in Section 2 2 on page 4 2 Carefully align the large option card connector with c...

Page 12: ...d from the enclosure If necessary cut cable ties to shift cables out of the way To replace the CPU board reverse the above procedure Be sure to reinstall cable ties to secure all cables inside the ind...

Page 13: ...nds for 1 2 NPT cord brips 2 15887 6 position screw terminal for load cell connection 1 19538 Cord grip plugs 4 42350 Capacity label 1 53075 Cable shield ground clamps 4 66269 6 position screw termina...

Page 14: ...1 12 16861 High voltage warning label 1 2 12 13 14624 Lock nuts 6 32NC nylon 2 2 11 14 14822 Machine screws 4 40NC x 1 4 11 2 10 15 67530 Interface board connector plate 1 16 67535 Interface board gas...

Page 15: ...6 45 67869 Interface board 1 2 11 2 15 46 14832 Machine screws 4 40NC x 3 8 2 47 22086 Machine screws 6 32NC x 1 4 8 2 10 2 14 50 15628 Cord grips 1 2 NPT 2 52 30376 Nylon seal rings for 1 2 NPT cord...

Page 16: ...16 15 K 47 8X K E 4 50 2X BROWN WIRE BLUE WIRE GREEN YELLOW WIRE E 19 20 21 3X 23 3X 5 1 D A 32 10 40 F G C 28 29 17 4X B 18 12X E 53 2X 9 2X 14 11X A 8 6 4X 3 43 2X H 31 52 2X J RED WIRE 7 2X RED WI...

Page 17: ...2 11 920i Desktop Model Power Supply and Interface Board Components 45 46 2X FROM DISPLAY BOARD TO BOTTOM OF CPU BOARD WARNING HIGH VOLTAGE GREEN YELLOW WIRE FROM POWER CORD ASSEMBLY 25 3X C 35 4X D...

Page 18: ...ual Figure 2 12 920i Desktop Model Interior View Figure 2 13 920i Desktop Model Top View with Backplate Removed FROM MEMBRANE SWITCH OVERLAY TO BOTTOM OF CPU BOARD 33 H 34 RED WIRE 12 WARNING HIGH VOL...

Page 19: ...del Assembly FROM DISPLAY BOARD TO BOTTOM OF CPU BOARD J4 31 5 K E 43 2X 13 2X 53 2X 4 23 3X 21 3X 50 2X 52 2X 47 8X K 15 E 20 16 19 55 4X L 2 7 2X 22 3X BROWN WIRE BLUE WIRE G A 9 2X 10 12 11 29 C F...

Page 20: ...Power Supply Components Figure 2 16 920i Universal Model Back View with Backplate Removed RED STRIPE WIRE FROM LCD DISPLAY TO CPU BOARD J12 45 L H 46 2X D 40 TOP 27 F 35 4X D 34 26 3X G 32 25 3X C A L...

Page 21: ...computer to set con guration parameters for the indicator When iRev con guration is complete con guration data is downloaded to the indicator iRev supports both uploading and downloading of indicator...

Page 22: ...and tables describing the menu parameters Default values are shown in bold type numeric ranges and string values are shown in italic type Parameters shown surrounded by a dotted line box only appear u...

Page 23: ...ALE x GRADS ZRANGE MOTBAND OVRLOAD SSTIME DIGFLT1 DIGFLT2 10000 number ZTRKBND OFF 1D 0 5D 3D 1 9 10D 100 20D 1D 3D 2D 5D FS 2 FS 9D FS 1D FS number 10 64 128 4 16 8 32 256 DFSENS RATTRAP DFTHRH SMPRA...

Page 24: ...1D 2D 3D 5D 10D 20D OFF Sets the level in display divisions at which scale motion is detected If motion is not detected for 1 second or more the standstill symbol lights Some operations including pri...

Page 25: ...total sample rate for all configured A D channels the sum of the sample rates for all scales is 1200 Hz For example up to ten scales can be configured with 120 Hz sample rates or up to twenty scales w...

Page 26: ...888 88888 88 888888 8 DSPDIV 1D 5D 2D UNITS TN T LB G KG OZ GN TROYOZ TROYLB LT CUSTOM NONE MULT 0 453592 number TERTIA DECPNT 88 88888 888 8888 8888888 8888800 8888880 8 888888 8888 888 88888 88 8888...

Page 27: ...he decimal position display divisions conversion multiplier units update interval and refresh interval used for the rate of change units See Level 5 submenu parameter descriptions Level 5 submenus Pri...

Page 28: ...by to obtain the secondary or tertiary units The default is 0 453592 which is the conversion factor for changing pounds to kilograms See Section 10 9 on page 92 for a list of multipliers To shift betw...

Page 29: ...ess ENTER to display and edit the span calibration A D count or millivolts value WLIN PT 1 PT 5 Press ENTER to display and edit test weight and calibration values for up to five linearization points P...

Page 30: ...F CR EOLDLY 0 number HANDSHK OFF HRDWAR ADDRESS 0 number BUS OFF ON INPUT CMD PROGIN STREAM OFF INDUST LFT SOURCE List of configured scales OFMT DEFAULT CUSTOM If STREAM OFF SFMT format If OFMT CUSTOM...

Page 31: ...control characters or hardware handshaking is used Hardware handshaking is available only on Port 2 ADDRESS 0 0 25 Specifies the decimal indicator address for RS 485 connections RS 232 communications...

Page 32: ...SPPWD number 0 SOFTKEYS KYBDLK ON OFF ZERONLY ON OFF PROMPTS PROMPT 1 string PROMPT 60 string REGULAT CANADA NTEP OIML NONE Lists of available and configured soft keys LOCALE ON OFF LATUDE number 45 E...

Page 33: ...s the unit identification number Value specified can be any alphanumeric value up to eight characters TRUCK OFF MODE1 MODE2 MODE3 MODE4 MODE5 MODE6 Specifies the truck mode used If selected the indica...

Page 34: ...L mode the scale must be in gross mode before it can be zeroed pressing the ZERO key in net mode clears the tare OIML mode replaces the Gross annunciator with Brutto The value specified for this param...

Page 35: ...information about custom print formatting Figure 3 9 PFORMT Menu SCALES SERIAL FEATURE PFORMT SETPTS DIG I O ALGOUT VERS GFMT NFMT ACCFMT SPFMT TRWIN TRWOUT TRFMT Same as GFMT PORT 4 PORT 1 PORT 3 PO...

Page 36: ...Menu SCALES SERIAL FEATURE PFORMT SETPTS DIG I O ALGOUT VERS SP CFG BATCHNG OFF MANUAL AUTO SETPT 1 SETPT 100 NET ACCUM OFF NET GROSS GROSS ROC RESREL PAUSE REL REL REL DELAY COZ INMOTON COUNTER WAIT...

Page 37: ...gital I O expansion cards are installed Figure 3 11 DIG I O Menu SCALES SERIAL FEATURE PFORMT SETPTS DIG I O ALGOUT VERS BIT 1 INPUT OUTPUT OFF ZERO NT GRS BIT 2 SLOT 0 BIT 3 BIT 4 UNITS PRINT TARE AC...

Page 38: ...he Cancel softkey CLEAR simulates pressing the front panel CLR key DSPTAR displays the current tare equivalent to pressing the Display Tare softkey IDKEY displays a prompt to enter a new unit ID equiv...

Page 39: ...ect 20 for 4 20 mA output This parameter must be set before calibrating the analog output ERRACT FULLSC HOLD ZEROSC Error action Specifies how the analog output responds to system error conditions Pos...

Page 40: ...see Figure 3 8 on page 28 If the indicator is later installed at a different location gravity compensation can be applied to a pre calibrated indicator by adjusting the LATUDE and ELEVAT parameters 4...

Page 41: ...the actual test weight value Press enter to save the value and move to the calibration prompt CAL 1 prompt Press down to show the current calibration value then press the Calibrate softkey to calibra...

Page 42: ...and sets the test weight value vvvvv for linearization point 1 The SC WLIN n C1 command calibrates the point Repeat using the SC WLIN n Vx and SC WLIN n Cx commands as required for additional lineariz...

Page 43: ...lease of Windows 95 iRev requires an updated version of TAPI The TAPI update is included on the iRev installation CD and is available from the RLWS web site at www rlws com Internet Explorer IE 4 0 or...

Page 44: ...See Section 9 2 on page 76 for detailed information about widget programming Up to ten display con gurations can be saved for each indicator le Display con gurations can be switched within applicatio...

Page 45: ...ck on the Check for Updates button in the Rice Lake Web Update application to check if a new version of the 920i software is available To download a new software version select the new software versio...

Page 46: ...se to format the 920i print formats Commands included in the format strings must be enclosed between and delimiters Any characters outside of the delimiters are printed as text on the ticket Text char...

Page 47: ...n any configured weight units by adding the following modifiers to the gross net and tare weight commands P primary units D displayed units S secondary units T tertiary units If not specified the curr...

Page 48: ...e grid then select weight value elds from the tool bar and place them where you want them to appear on the printed ticket Figure 6 1 shows an example of the iRev print formatting display Figure 6 1 iR...

Page 49: ...deleted from the format string then press the CLR key To add a special character insert the and delimiter characters from the selection list Use the numeric keypad to insert the decimal ASCII value 1...

Page 50: ...GFMT FMT G GROSS NL To change the format use the GFMT FMT or NFMT FMT serial command followed by an equals sign and the modi ed print format string For example to add the name and address of a company...

Page 51: ...mple if a truck crosses the scale fully loaded at weigh in then unloads and crosses the scale empty at weigh out the indicator automatically assigns the lesser empty truck weight as the tare Value swa...

Page 52: ...2002 10 24 AM 5 Truck leaves the scale 7 4 Weigh Out Procedure The general weigh out procedure is as follows 1 The loaded truck moves onto the scale for weigh out 2 If truck ID is known press the Wei...

Page 53: ...iRite program For setpoint kinds that can be used as either continuous or batch setpoints the BATCH parameter must also be set ON Setpoint kinds that can only be used as batch setpoints do not require...

Page 54: ...l the AUTOJOG setpoint activates the digital output of the previous weight based setpoint for a period of time specified on the VALUE parameter The autojog process repeats until the previous weight ba...

Page 55: ...number of A D samples Note that this setpoint is based on the raw A D weight value rather than the rounded value shown on the indicator display For example if the display shows 50 0 but the actual raw...

Page 56: ...submenus are provided in Table 8 2 on page 60 See Table 8 1 on page 49 for descriptions of each of the setpoint kinds Figure 8 1 SETPTS Menu SCALES SERIAL FEATURE PFORMT SETPTS DIG I O ALGOUT VERS SP...

Page 57: ...TAB number PCOUNT If PREACT LEARN or PREACT FLOW number TOLBAND If TRIP HIGHER or TRIP LOWER and BATCH ON BATCH OFF ON CLRACCM OFF ON CLRTARE OFF ON PSHACCM OFF ON PSHPRNT OFF ON PSHTARE OFF ON WAITSS...

Page 58: ...IP HIGHER or TRIP LOWER If PREACT LEARN or PREACT FLOW PRESTAB If PREACT LEARN or PREACT FLOW number PCOUNT If PREACT LEARN or PREACT FLOW BATCH OFF ON CLRACCM OFF ON CLRTARE OFF ON PSHACCM OFF ON PSH...

Page 59: ...E OFF NAME NONE 1 60 ACCESS ON HIDE OFF NAME NONE 1 60 BRANCH 0 1 100 COUNTER setpoints only COUNTER setpoints only number VALUE SOURCE List of available scales DELAY and AUTOJOG setpoints only WAITSS...

Page 60: ...ME NONE 1 60 ACCESS ON HIDE OFF NAME NONE 1 60 number VALUE SOURCE List of available scales COZ INMOTON and INRANGE setpoints only START 1 100 END 1 100 SLOT NONE List of available digital I O slots D...

Page 61: ...N MASK 24 bit mask of digital inputs BATCH OFF ON CLRACCM OFF ON CLRTARE OFF ON PSHACCM OFF ON PSHPRNT OFF ON PSHTARE OFF ON WAITSS ONQUIET BRANCH 0 1 100 If BATCH ON number NSAMPLE DIGIN and AVG setp...

Page 62: ...lable scales CHKWEI number SOURCE List of available scales number ACCESS ON HIDE OFF NAME NONE 1 60 VOVER VUNDER SLOT NONE List of available digital I O slots DIGOUT List of available output bits for...

Page 63: ...st of available scales PLSCNT ACCESS ON HIDE OFF NAME NONE 1 60 BRANCH 0 1 100 SLOT NONE List of available digital I O slots G number VALUE PSHPRNT OFF ON WAITSS SOURCE List of available scales PLSRAT...

Page 64: ...ts PAUSE DELAY WAITSS COUNTER AUTOJOG DELTA PLSCNT ALWAYS and NEVER setpoint kinds can only be used in batch sequences COZ INMOTON INRANGE BATCHPR TIMER CONCUR PLSRAT and CHKWEI setpoint kinds can onl...

Page 65: ...om the setpoint value The LEARN value can be used to automatically adjust the preact value after each batch LEARN compares the actual weight at standstill to the target setpoint value then adjusts the...

Page 66: ...on when the setpoint is satisfied Specify ONQUIET to update the accumulator without printing PSHPRNT OFF ON WAITSS Specify ON to perform a print operation when the setpoint is satisfied specify WAITSS...

Page 67: ...r accumulate are performed at the end of the specified duration NSAMPLE 1 65535 For AVG setpoints specify the number of A D samples used to calculate the average weight SOURCE source_scale Specify the...

Page 68: ...de Initialize the batch by turning the 3 way switch to ABORT then unlock the STOP button the STOP button must be in the OUT position to allow the batch process to run The batching switch is now ready...

Page 69: ...is used to dispense material from the hopper When the hopper weight goes below 100 LB net the setpoint is tripped SETPOINT 4 KIND REL VALUE 100 TRIP LOW BATCH ON DIGOUT 1 RELNUM 3 Setpoint 5 is used...

Page 70: ...the hopper to a net weight of 1000 LB SETPOINT 5 KIND NET VALUE 1000 TRIP HIGHER BATCH ON DIGOUT 2 Setpoint 6 operates DIGOUT 2 while Setpoint 4 is active providing simultaneous two speed lling SETPOI...

Page 71: ...commands serve as pseudo keys providing functions that are not represented by a key on the front panel For example to enter a 15 pound tare weight using serial commands 1 Type K1 and press ENTER or RE...

Page 72: ...5 divisions type the following SC MOTBAND 1 5D ENTER For parameters with selectable values enter the command and equal sign followed by a question mark command ENTER to see a list of those values The...

Page 73: ...units decimal position 8 888888 88 88888 888 8888 8888 888 88888 88 888888 8 8888888 8888880 8888800 SC TER DSPDIV n Tertiary units display divisions 1D 2D 5D SC TER UNITS n Tertiary units LB KG G OZ...

Page 74: ...entifiers Specify replacement text for token Example STR PRI 1 L See Section 10 5 on page 85 for information more about custom stream formatting STR NEG p STR PRI p STR SEC p STR TER p STR GROSS p STR...

Page 75: ...ntinued Command Description Values SP KIND n Setpoint kind OFF GROSS NET GROSS NET ACCUM ROC REL REL REL RESREL PAUSE DELAY WAITSS COUNTER AUTOJOG COZ INMOTON INRANGE BATCHPR TIMER CONCUR DIGIN AVG TO...

Page 76: ...nt commands ending with n n is the setpoint number Command Description Values GFMT FMT GFMT PORT Gross demand print format string See Section 6 0 on page 42 for detailed demand print formatting inform...

Page 77: ...PRIM SEC CLRTAR CLRACC Digital inputs are specified by bit number b and slot number s Table 9 9 DIG IN Serial Commands Command Description Values ALG ALIAS s Analog output alias name ALG SOURCE s Anal...

Page 78: ...the factory defaults XA n Transmit accumulator value in displayed units nnnnnn UU XAP n Transmit accumulator value in primary units XAS n Transmit accumulator value in secondary units XAT n Transmit a...

Page 79: ...ch program BATRESET Stops the program and resets the batch program to the rst batch step Run the BATRESET command after making changes to the batch con guration BATPAUSE Stops the batch program at the...

Page 80: ...widgets allow each widget to be larger Scale data from additional con gured scales can be shown by scrolling up or down through all con gured scales including a total scale widget if con gured WDGT n...

Page 81: ...cally 2 Bargraph source is the gross weight from scale channel 1 9 2 4 Label Widgets Label widgets are used to insert a text label in the display WDGT n 4 left top width caption border_style justifica...

Page 82: ...Table 9 13 on page 78 name alias text name or alias data_source 1 scale 2 setpoint 3 digital I O point data_field If data_source 1 data_field is the scale channel number if data_source 2 data_field i...

Page 83: ...On Off Blank 16 Speaker Quiet Loud Off Blank 17 Serial Connect Disconnect Off Blank 18 Truck 1 On Off Blank 19 Truck 2 On Off Blank 20 Weight On Off Blank 21 Overload On Off Blank 22 Underload On Off...

Page 84: ...Full Off Blank 33 Batch Automatic Manual Off Blank 34 Valve Closed Open Off Blank 35 Motor Stop Run Off Blank 36 Checkmark On Off Blank 37 Faucet Closed Open Off Blank 38 Padlock Locked Open Off Blank...

Page 85: ...core software Reset or reload software Cannot enter setup mode Possible bad switch Test switch replace interface board if necessary ERROR message in weight display Excitation voltage too low or off E...

Page 86: ...ad the con guration again If the card is still not recognized try installing it in another slot 10 1 3 User Program Diagnostic Errors Faulty user programs can cause critical errors that are detected b...

Page 87: ...m error ETRUCKERR 8192 have occurred the XE command will return the value 73728 representing the sum of those two error conditions Error Code Value Description VIRGERR 1 Virgin error PARMCHKERR 2 Conf...

Page 88: ...t on Scale Tare in System Front Panel Key Function TARE ZERO NTEP zero or negative no no action ZERO yes CLEAR TARE positive no TARE yes TARE CANADA zero or negative no no action ZERO yes CLEAR TARE p...

Page 89: ...erial scale is not shown press the Change Type softkey to select available serial scales then use the navigational keys to select the serial scale Press Add to move the scale to the righthand column t...

Page 90: ...nvalid B n See descriptions below Bit fields Comma separated sequence of bit field specifiers Must not exceed 8 bits B0 Always 0 B1 Always 1 B2 Configuration 1 if even parity B3 Dynamic 1 if MODE NET...

Page 91: ...B20 Configuration 000 if tertiary DECPNT 8888800 001 if tertiary DECPNT 8888880 010 if tertiary DECPNT 8888888 011 if tertiary DECPNT 888888 8 100 if tertiary DECPNT 88888 88 101 if tertiary DECPNT 8...

Page 92: ...an indicator at address 65 decimal on the RS 485 network use the format shown in Figure 10 3 The keyboard equivalent for the start of text STX character is CONTROL B The indicator address 65 is repres...

Page 93: ...66 Ctrl G BEL 07 07 39 27 G 71 47 g 103 67 Ctrl H BS 08 08 40 28 H 72 48 h 104 68 Ctrl I HT 09 09 41 29 I 73 49 i 105 69 Ctrl J LF 10 0A 42 2A J 74 4A j 106 6A Ctrl K VT 11 0B 43 2B K 75 4B k 107 6B C...

Page 94: ...170 AA 202 CA W 234 EA 139 8B 1 2 171 AB 203 CB d 235 EB 140 8C 1 4 172 AC 204 CC 236 EC 141 8D 173 AD 205 CD f 237 ED 142 8E 174 AE 206 CE 238 EE 143 8F 175 AF 207 CF 239 EF 144 90 176 B0 208 D0 240...

Page 95: ...cts but heavy ltering also increases settling time The DFSENS digital lter sensitivity and DFTHRH digital lter threshold parameters can be used to temporarily override lter averaging and improve settl...

Page 96: ...r example if the primary units are short tons secondary units are pounds and the secondary decimal point is set to 8888 888 the indicator will over ow if 5 tons or more are applied to the scale With 5...

Page 97: ...board 69782 Six card expansion board 69783 DeviceNet interface card 68541 Allen Bradley Remote I O interface card 68539 Profibus DP interface card 68540 Table 10 10 Part Numbers for 920i Options Mode...

Page 98: ...0i Panel Mount Installation Instructions PN 69989 920i Wall Mount Installation Instructions PN 69988 Option Card Installation Instructions 920i Analog Output Card Installation Instructions PN 69089 92...

Page 99: ...Appendix 95 10 12 Dimension Drawings Figure 10 6 Desktop Model Dimensions Figure 10 7 Universal Model Dimensions 10 56 8 51 9 55 5 72 14 4 61 10 80 10 56 10 87 6 00 4 25 50 2 40 4X 28 5 25 8 51 12 50...

Page 100: ...Hz Digital I O 4 I O channels on CPU board optional 24 channel I O expansion cards available Digital Filter Software selectable 1 256 enhanced Rattletrap hybrid digital filtering Serial Communications...

Page 101: ...ident misuse neglect alteration improper installation improper repair or improper testing RLWS shall be the sole judge of all alleged non conformities Such equipment has not been modi ed altered or ch...

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