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The Cycle Timer

Owners Manual

1.7 Serial Communications Installation

As of May 12 2014, the PCT firmware (PP-2110-543B) does not make use the PCT serial port hardware.  Future

revisions of the PCT firmware may activate the serial port for use as a supervisor interface, or possibly to transmit

data to slave displays, but at this time the serial port is not used.

1.8 Proper use of the PCT Keypad

The PCT keypad is designed for operation by a human finger, and when properly used, each key is rated for over

1,000,000 operations.  However, if a hard object, such as a pen, pencil, or wood / steel rod is used to operate the

keypad, it will severely decrease its operational lifespan.  We have observed keypads failing in as little as three

months when abused.  Keypad failures due to abuse are not covered under the 1 year warranty.

The photo below shows the typical damage cased by using a hard object such as a pencil to depress the 

[RUN]

key.   The polycarbonate overlay has warn through exposing the 12oz tri-dome.   Additionally the tri-dome has

collapsed, causing the key to “stick on”.  When this happens, all of the keys on the keypad become non-functional.

To repair the PCT, the keypad must be pealed off of the PCT front panel and replaced.

Replacement keypads may be purchased and shipped to your factory for you to install.  Contact American LED-

gible and order part number, KB-2659-003 which has a list price of $25 each.

Page 16

Содержание AF-2720-912

Страница 1: ... Goal Actual Marquee with 4x3 Matrix Keypad Firmware PP 2110 543D Hardware AB 2486 224D Manual PB 2149 610 Revision F April 6 2016 American LED gible Inc 1776 Lone Eagle St Columbus OH 43228 614 851 1100 Phone 614 851 1121 Fax www ledgible com www ledgible ledgible com e mail ...

Страница 2: ......

Страница 3: ...6 Configuration Dip Switches 10 1 4 7 Selecting the PCT Timing Mode 11 1 4 8 Selecting Time Minus or Time Plus Stack light Mode 12 1 5 120VAC Power Installation 13 1 6 Logic Input Installation 14 1 7 Serial Communications Installation 16 1 8 Proper use of the PCT Keypad 16 2 0 Basic Operation 17 2 1 Adjusting Register Values 17 2 2 Basic Operation Example 18 3 0 In Case of Difficulties 19 3 1 Cont...

Страница 4: ......

Страница 5: ...ellow time has elapsed the stack light will switch from yellow to red Then after the programmed red time has elapsed the stack light will switch from red to flashing red By default the stack light switches from off to yellow when the actual time remaining reaches zero Time Minus Mode However the PCT can be configured so that the stack light transitions from red to flashing red when the actual time...

Страница 6: ... the PCT from the shipping carton Then mount hang or set the PCT in a location where the unit is readily visible 1 3 Mounting the PCT Enclosure The PCT is designed to be mounted to a wall by four screw holes in the back of the enclosure When choosing the location to mount the PCT keep in mind the operator will need access to the keypad on the front of the unit The PCT should be moved to its operat...

Страница 7: ...l 1 4 Introduction to the PCT Circuit Board A convenient way to work on the PCT is to loosen the front panel flip it over and then temporarily support the font panel by hanging it on two of the box screws as shown in the picture below Page 3 ...

Страница 8: ...primary purpose of the factory connectors is to provide American LED gible with an alternate location to terminate factory installed wiring that will not consume customer screw terminals Indicator lamps provide real time feedback on the status of the PCT to aid debugging problems The power indicator lamp illuminates when power is applied to the PCT The TXD RXD and ENB lights blink during serial co...

Страница 9: ...as 1 Amps If you have the optional stack light assume a power draw of 120VAC at 1 Amp The PCT can operate from either 60Hz or 50Hz power If your unit was purchased with the power cord option the factory will have already installed an industry standard three prong line cord and connected it to the factory 120VAC power connector If this is the case do not connect any wires to the customer 120VAC pow...

Страница 10: ... that provides the CNT 1 and HOLD inputs on a six foot extension cable terminated in a four pin Molex Minifit Jr connector as diagrammed to the right Even if the logic input extension cable is installed it is still permissible to use the customer logic input connector to connect other devices to the PCT The CNT 1 wire of the extension cable is connected in parallel with the CNT 1 screw terminal on...

Страница 11: ...has one serial communications channel that can be configured for RS 232 or RS 485 communications Separate wiring terminals are provided for RS 232 and RS 485 wiring on both the customer and the factory connectors Page 7 Customer Serial Port Connector Factory Serial Port Connector ...

Страница 12: ...llow stack light When the PCT is ordered with the optional red yellow stack light the Ha 120VAC relay output controls the red light and the Hb 120VAC relay output controls the yellow light The DC Sink relay outputs are reserved by ALI for future feature expansions to the PCT Note Do not connect any wiring to the 120VAC or DC Sink relay output connectors unless directed to do so by American Led gib...

Страница 13: ... LED3 indicator lamps The indicator corresponding to the activated input should illuminate If it does not try activating the input with a few inches of wire When you connect the input screw terminal to the ground screw terminal the input should activate and the indicator lamp should illuminate To debug serial communications wiring observe the ENB TXD and RXD lamps while attempting to communicate w...

Страница 14: ...led and then never changed PCT settings that are likely to change from week to week are set using the keypad on the front of the unit As of revision D of the PP 2110 543 firmware the only dip switches with significant impact on the operation of the PCT are Switches 4 and 5 on the SW2 switch block Page 10 SW2 Configuration Switch Block SW1 Configuration Switch Block Shown with switches 1 7 and 8 ON...

Страница 15: ...nds seconds tenths of minutes minutes tenths of hours or hours The timing mode is selected by three switches on SW2 SW2 8 SW2 7 SW2 6 Timing Mode OFF OFF OFF XXX X Seconds OFF OFF ON XXXX Seconds OFF ON OFF XXX X Minutes OFF ON ON XXXX Minutes ON OFF OFF XXX X Hours ON OFF ON XXXX Minutes Page 11 Shown with switches 1 7 and 8 ON ...

Страница 16: ...ime the stack light will switch from yellow to red When the overage exceeds the programmed yellow time plus the programmed red time the stack light will switch from red to flashing red In the Time Plus mode the stack light remains off until the actual time remaining reaches the programmed yellow time plus the programmed red time Then the stack light switches from off to yellow When the actual time...

Страница 17: ...C power to screw terminals inside the PCT as shown below Connect the power wiring to the customer 120VAC power screw terminal connector on the PCT circuit board Power wires should be American Wire Gauge 16 with a 600 volt insulation rating The PCT requires 120VAC power at less than Amp of current However if equipment is connected to the 120VAC output relays such as a stack light the PCT power draw...

Страница 18: ...e algorithm Transient conditions lasting less than 30mS are rejected as noise Due to this filtering the maximum allowed count rate is 10Hz with a 50 duty cycle waveform 50mS On Time 50mS Off Time and the minimum width of a reset pulse is 50mS If your PCT was purchased with the optional logic input extension cable the factory will have already installed wiring that provides the CNT 1 and HOLD input...

Страница 19: ...or that is used to activate one of the count inputs each time a unit of production is completed All of the other inputs HOLD T RST B RST functionality can be replicated by pressing buttons on the PCT keypad Connecting the HOLD input to GND pauses the ACTUAL timer Connecting the T RST input to GND resets the actual timer to the programmed goal cycle time Connecting the B RST input to GND resets the...

Страница 20: ...ate the keypad it will severely decrease its operational lifespan We have observed keypads failing in as little as three months when abused Keypad failures due to abuse are not covered under the 1 year warranty The photo below shows the typical damage cased by using a hard object such as a pencil to depress the RUN key The polycarbonate overlay has warn through exposing the 12oz tri dome Additiona...

Страница 21: ...e register Each press of the F1 key selects the next register for adjustment until finally rotating back to normal operating mode To select a register for editing press the F1 key The first time the F1 key is pressed the GOAL TIME register is selected for editing The second time the F1 key is pressed the YELLOW TIME register is selected for editing The third time the F1 key is pressed the RED TIME...

Страница 22: ...L register Use the keys to select a goal cycle time of 0037 minutes Then press the F4 key to apply the new GOAL setting To set the YELLOW TIME YEL register press the F1 key twice to select the YELLOW TIME YEL register Then use the keys to select a yellow time of 0003 minutes Then press the F4 key to apply the new YELLOW TIME YEL setting To set the RED TIME RED register press the F1 key three times...

Страница 23: ...jumper can be installed to check the numeric LED display and erase the PCT memory When the PCT starts if TJ1 is installed additional startup code is executed This code first performs a LAMP TEST then the baud rate and address are displayed and finally the PCT memory is erased which has the side effect of resetting all PCT registers to default values 3 1 Contacting American LED gible Inc If you nee...

Страница 24: ...t Polycarbonate Key Durameter 12 Oz Tri Domes Standard OPERATION Min Max Time 0000 to 9999 Minutes or 0000 to 9999 Hours LOGIC INPUTS Quantity 7 HOLD T RST B RST and 4 COUNT Logic Level 12VDC Activated by Dry Contact or NPN Output Maximum Input Current 30mA per Input Leakage Current Tolerance 3mA Maximum Minimum Detectable Pulse 0 050 Seconds Minimum On Time 0 050 Seconds Minimum Off Time COMMUNIC...

Страница 25: ...tial damages Some states do not allow the exclusion of or limitation of incidental or consequential damages so the foregoing exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state This warranty is in lieu of any other warranty express written implied or statutory and no agreement extending or modifying it will ...

Страница 26: ...9 29h 41 CTRL J 0Ah 10 2Ah 42 CTRL K 0Bh 11 2Bh 43 CTRL L 0Ch 12 2Ch 44 CTRL M 0Dh 13 2Dh 45 CTRL N 0Eh 14 2Eh 46 CTRL O 0Fh 15 2Fh 47 CTRL P 10h 16 0 30h 48 CTRL Q 11h 17 1 31h 49 CTRL R 12h 18 2 32h 50 CTRL S 13h 19 3 33h 51 CTRL T 14h 20 4 34h 52 CTRL U 15h 21 5 35h 53 CTRL V 16h 22 6 36h 54 CTRL W 17h 23 7 37h 55 CTRL X 18h 24 8 38h 56 CTRL Y 19h 25 9 39h 57 CTRL Z 1Ah 26 3Ah 58 CTRL 1Bh 27 3B...

Страница 27: ...03 H 48h 72 h 68h 104 I 49h 73 i 69h 105 J 4Ah 74 j 6Ah 106 K 4Bh 75 k 6Bh 107 L 4Ch 76 l 6Ch 108 M 4Dh 77 m 6Dh 109 N 4Eh 78 n 6Eh 110 O 4Fh 79 o 6Fh 111 P 50h 80 p 70h 112 Q 51h 81 q 71h 113 R 52h 82 r 72h 114 S 53h 83 s 73h 115 T 54h 84 t 74h 116 U 55h 85 u 75h 117 V 56h 86 v 76h 118 W 57h 87 w 77h 119 X 58h 88 x 78h 120 Y 59h 89 y 79h 121 Z 5Ah 90 z 7Ah 122 5Bh 91 7Bh 123 5Ch 92 7Ch 124 5Dh 93...

Страница 28: ...ypical Power Wiring Example Logic Input Wiring Optional Customer Supplied Photo Eye Shown Maximum Allowed Eye Power Draw is Amp 2 RXD 3 TXD 5 GND Example PC Wiring Connection to PC DB9 RS 232 Port Illustrated HOLD T RST B RST CNT 1 CNT 2 CNT 3 CNT 4 GND GND 12VDC ...

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