THE ASTRO LINE SERIESGEMINI 4000 INSTRUCTION MANUALGEM4COV-L.QXD 9/22/2006 3:39 PM Page 1 (1,1)
DIAGNOSTICS, SELF-TEST, & “WATCHDOG” TIMER [Cont’d]Another error indicator is the “watchdog” timer. In order to insure thesoftware is functioning
PROGRAMMING INSTRUCTIONS FOR THE COUNTER/RATE VERSION OF THE GEMINI 4000The first part of this section provides detailed descriptions of the functionc
CODE 43 - INPUTS1&2RESPONSE MODES [Cont’d][43 2] COUNT WITH UP/DOWN CONTROL - In this mode, count directioncan be controlled by the second input.
CODE 45 - COUNTER (B) SCALE MULTIPLIERThere are four Counter B Scale Multipliers that are available. They effectivelydivide the internal Count B value
CODE 52 - OUTPUT 1 TERMINATION MODES (Cont’d)[52 1] TERMINATE AT OUTPUT 2 START - Output 1 will terminate whenOutput 2 starts. Output 1 is set for nor
A reverse phase mode is available on the Gemini 4200. This refers to thecomplementing of the logic state of the output. With normal phase operation,wh
CODE 56 - COUNTER (B) RESET MODESThe Gemini 4000 has six different counter reset modes. There are also twomethods by which manual reset can act on the
CODE 61 - RATE (A) RIGHT HAND DUMMY ZEROSDummy zeros can be used to alleviate display fluctuations due to an unstableinput signal. These zeros effecti
CODE 66 - “OPERATOR ACCESSIBLE FUNCTIONS” MODESThe Gemini has six basic levels of “Operator Accessible Functions”. Each ofthese levels can be modified
pulse information must be generated per measuring unit. For example, if 5 pulsesare being received per foot of material, the precision of 10th of feet
INTRODUCTIONThe Gemini 4100 and 4200 are both units in a multi-purpose series ofindustrial control units that are field-programmable to solve multiple
DUAL PRESET COUNTER & RATE APPLICATIONA wire screen manufacturer requires a cut to length system, and in addition, aprewarning of an overspeed con
STEP 3 - Determine the Scale Multiplier Value, “SCM”, and calculate the ScaleFactor, “SF”, using Formula #3 of Appendix “E”.A Scale Multiplier value o
PROGRAMMING INSTRUCTIONS FOR THE DUAL COUNTER VERSION OF THE GEMINI 4000The first part of this section provides detailed descriptions of the functionc
[43 4] SEPARATE INPUT - In this mode, the two counters, A & B, areindependently controlled by the inputs. Input 1 serves as the Counter A inputand
CODE 46 - COUNTER B DECIMAL POINT & LEADING ZEROBLANKINGThere are six basic modes of decimal point placement for Counter B of theGemini. The decim
[52 5] TERMINATE AFTER TIMED OUTPUT 1 - Once the output has beenactivated, it will deactivate after the predetermined length of time (code 53)has expi
CODE 54 - OUTPUT 2 TERMINATION MODES (Cont’d)[54 6] BOUNDARY MODE - When in boundary mode the Preset 2 Value servesas the boundary point. When the Cou
[56 5] AUTOMATIC RESET TO ZERO AT BEGINNING OF TIMEDOUTPUT (AT PRESET) - In this reset mode, the counter will automaticallyreset to zero at the beginn
CODE 64 - COUNTER A SCALE MULTIPLIERThere are four Counter A scale multipliers that are available. They effectivelydivide the internal Counter A Value
PRESET VALUESWhenever the display value equals the preset value, an output action will occur. Thisaction depends on the previously programmed modes. T
-1-TABLE OF CONTENTSI. GENERAL DESCRIPTION 2A) Safety Summary2B) Programming The Gemini3C) Programming The Personality3D) Programming The Presets, Sca
DUAL COUNTER BATCHING APPLICATIONA typical application for the Gemini 4200 will require a slow down output anda final cut output for cut. In this appl
SCALING FOR COUNTER BCounter B is used to control the length of the cardboard insert. The displayreading for Counter B is to be in hundredths of an in
20 MA CURRENT LOOP COMMUNICATIONSThe Gemini 4000’s 20 mA Current Loop Communications Option allows a“two-way” serial communications link to be establi
The command string is constructed by using the above commands and valueidentifiers along with the data values that are required. Data values may or ma
SENDING COMMANDS & DATA TO THE GEMINI (Cont’d)The timing diagrams show the timing considerations that need to be made.RECEIVING DATA FROM THE GEMI
PRINT OPTIONSThe various Print Options are used mainly in conjunction with a printer andthe Print Request Terminal. They provide a choice of Gemini da
CURRENT LOOP INSTALLATIONWIRING CONNECTIONSWhen wiring the 20 mA current loop, remove the 7-position terminal block(TBD), located on the right side of
-35-PROCESS MONITORING SYSTEMFive Geminis with 20 mA Current Loop Option, are used tomonitor and control parts packaging machines in a plant. Theunits
TROUBLESHOOTING GEMINI SERIAL COMMUNICATIONSIf problems are encountered when trying to get the Gemini(s) and hostdevice or printer to communicate, the
APPENDIX “A” - INSTALLATION & INPUT CONFIGURATION SWITCH SET-UPBefore installing the Gemini into the panel, the user should first becomefamiliar w
GENERAL DESCRIPTIONThe Gemini 4000 series (4100 & 4200) instruments are two inputmicroprocessor based dual function counter/rate or dual counter i
SELECT AC POWER (115/230 VAC)The AC power to the unit must be selected for either 115 VAC or 230 VAC.The selector switch is located through an access
Additional EMC Installation GuidelinesAlthough this unit is designed with a high degree of immunity toElectroMagnetic Interference (EMI), proper insta
POWER WIRINGAC VersionsAC Power WiringPrimary AC power is connected to terminals 1 and 2, labeled AC. To reduce thechance of noise spikes entering the
INSTALLATION & REMOVAL OF THE RELAY BOARDTo install the relay board, locate the relay opening at the lower right-handcorner, on the back of the Ge
CONNECTIONS & CONFIGURATION SWITCH SET-UPS FOR VARIOUS SENSOR OUTPUTS (See Note 5)-42-
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SENSOR INPUT CONNECTIONS & INPUT CONFIGURATION SWITCH SET-UPThe accompanying diagram shows the details of Input 1, Input 2, andMagnetic Pickup cir
APPENDIX “B” - SPECIFICATIONS & DIMENSIONS1. DISPLAY: 6-digit 0.56" (14.2 mm) High LED display.2. POWER REQUIREMENTS:AC VersionsAC Power: Swi
-47-11. SERIAL COMMUNICATIONS:Type - Bi-directional 20 mA current loop, 20 mA source provided. (Powers upto 7 units in a loop with internal current so
PROGRAMMING THE GEMINIWhen your Gemini arrives from the factory, it has already been programmedto function as a counter and rate indicator. It is prog
APPENDIX “C” - TROUBLESHOOTING GUIDE-48-The majority of difficulties arising with the Gemini are related to incorrect hook-up and programming set-up.
APPENDIX “C” - TROUBLESHOOTING GUIDE (Cont’d)-49-PROBLEMPOSSIBLE CAUSE REMEDIESUNIT COUNTS INCORRECTLY 1. Input type incorrectly selected. 1. Check re
-50-CODE MODE DESCRIPTION COMMENTS41 UNIT PERSONALITY (-)Loads factory set code values*+/-1 Counter/Rate* Rate Display → value (A)/Counter → Display v
-51-APPENDIX “D” - GEMINI COUNTER/RATE MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS51 OUTPUT ASSIGNMENT(+) Preset Tracking Disable
-52-APPENDIX “D” - GEMINI COUNTER/RATE MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS56 COUNTER RESET MODES (Cont’d)+/-1 Manual Rese
-53-APPENDIX “D” - GEMINI COUNTER/RATE MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS64 RATE SCALE MULTIPLIER (Cont’d)5 0.16 0.0165
-54-APPENDIX “D” - GEMINI DUAL COUNTER MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS41 UNIT PERSONALITY (-)Loads factory set code v
-55-APPENDIX “D” - GEMINI DUAL COUNTER MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS51 OUTPUT ASSIGNMENT(+) Preset Tracking Disable
-56-APPENDIX “D” - GEMINI DUAL COUNTER MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS56 COUNTER B RESET MODES (Cont’d)+/-1 Manual Re
-57-APPENDIX “D” - GEMINI DUAL COUNTER MODE FUNCTION COMMAND CODE SUMMARYCODE MODE DESCRIPTION COMMENTS65 CNTR A DECIMAL POINT & LEAD ZERO BLANKIN
PROGRAMMING THE PRESET, SCALE FACTORS, TIMEDOUTPUTS & COUNTER LOAD VALUES (Cont’d)Once the Scale Factor is displayed, changing the digitscan be ac
APPENDIX “E” - SCALING FOR COUNTINGThe Gemini is factory set to provide 1 count on the display for each pulse thatis input to the unit. In many applic
Once the Number of Count Edges (NCE) to be used has been determined, theRemaining Scaling factor required, “KR”, can be calculated. This is simply the
APPENDIX “F” - SCALING FOR RATEThe Gemini offers a simplified method for scaling the rate indicator. Themethod does not require time unit conversions.
rules stated above, a Scale Multiplier Value of 0.01 is chosen and the Scale Factoris calculated as shown below. This will provide maximum amount of c
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It is possible to change the counter values of the Gemini. This feature can beenabled or disabled by the programming of the “Operator Accessible Funct
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-70-MODELNO.DESCRIPTIONW/20 mACurrent LoopPART NUMBERS115/230 VACGEM41 Gemini 4100No GEM41060Yes GEM41160GEM42 Gemini 4200No GEM42060Yes GEM42160Gemin
LIMITED WARRANTYThe Company warrants the products it manufactures against defects inmaterials and workmanship for a period limited to two years from t
GEM4 / IM - L 8/06DRAWING NO. LP0160Red Lion Controls 20 Willow Springs CircleYork PA 17406Tel +1 (717) 767-6511Fax +1 (717) 764-0839Red Lion Cont
INITIAL FACTORY CONFIGURATION DUAL COUNTER FACTORY SETTINGS*-6-Keys struck Display Description4,1 41 2 Personality selected as DUAL COUNTER4,2 42 3 Re
OPERATOR ACCESSIBLE FUNCTIONS WITHPROGRAMMING DISABLED(For details on keyboard entry, see preceding section)One of the important features of the Gemin
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