Find out how DCConnect is now able to work with several different models of fixed terminals from third party hardware vendors.
You can have customized keypad overlays or inserts made for your 7526 and 7527 terminals. Details are slightly different for each machine, as described below.
TADCO POOLE'S LANE P.O. BOX 30 ROCKPORT, MA 01966 ATTN: BILL FULFRED, OR JULIA (508) 546-7525 FAX:(508) 546-9250The general process is:
It simplifies the process to have Tadco do steps 2-5 -- and it may be the most economical. At the very least, a great simplification would come from having Tadco do steps 3-5 (since they already have their step-and-repeat die cutting controller machine set up with a specific pattern of cookie-cutting process -- otherwise you have to coordinate with Tadco and your other vendor as to how the overlays are repeated on the large sheet).
SCREENPRINT/DOW 217 BALLARDVALE ST P.O. BOX 1332 WILMINGTON, MA 01887-0932 PETER THOMPSON 617 935-6395 X 228Refer to IBM part number 71G6231 as an example of the parts needed. (This is the set of blank overlays provided with 7526s).
7526 keypad iserts are simple shapes which many screen printers could replicate, but using the above vendor may be a little simpler and perhaps cheaper.
The general process is:
The '2 Doors' sample program/CFR does precisely what you want. Get the 7526_CFR PACKAGE from CIMTOOLS.
User's have made faily long extension cables for slot readers in the past. Up to 50 meters has been done. Your cable must be carefully constructed of high-quality, low-capacitance shielded cable. Use 22-24 gauge twisted pair cable. For bar code, 2 pairs is enough, for magnetic you need 4 pairs. Use 1 pair for power/ground (pins 1-3 on 7526 port), and 1 pair for each signal line with a ground (e.g. pins 2-3 on 7526 port for bar code data and ground).
The idea of twisting a signal ground with each power and signal line is to eliminate wire loop area which can pick up inductive noise from the surroundings.
The LED control lines on the sensor ports can be used to activate lights or optical relays at the reader location. You would need a break-out cable at the end to allow attachment (only the little-used magnetic wand has built-in LEDs).
IBM 3640 users will be able to continue using the magnetic stripe format from that product family; however, the 3640's Multi-Use Communications Loop (R-Loop) is not supported. To use the existing wiring (also 2 twisted pairs) of the R-Loop, several steps would need to be taken to convert to the Pipestone buss.
For installations with a high ambient noise level, an external beeper may be connected to the 7525 or 7527 terminal. Suggested third-party beepers include:
General Purpose: Murata-Erie PKB5-3B0 (available as Newark Electronics stock # 81F3712, $6.00 in 1-49 qty.). This buzzer is loud, with a fairly pleasant sound. Comes with wire leads about 6" long. Connect the red lead to 5 VDC and the black lead to a control line on the DCT (see below for details). Sealed Enclosure:Floyd Bell, Inc. model XC-V09-212-S is advertised as water-proof. It mounts through a 1 1/8" panel hole which could be sealed. This may be a good unit for mounting in a NEMA 4 cabinet, with the 752x inside. Screw-type connections. Connect 5VDC to "+", control line to "-". This unit has a manually-operator damper to control the volume. The sound is not as pleasant, or quite as loud, as the Murata part above. Floyd Bell Inc. is at 897 Higgs Ave., Columbus, OH 43212, PH: 614/294-4000. About $12 in their price list.The Data Collection Terminal can provide 5VDC power to the beeper, and a DO control line:
7525: 5 VDC -- On pin 1 of the bar code wand connector. Control line -- Pin 8 of the bar code wand connector is activated automatically in conjunction with the internal beeper. 7526: 5 VDC -- On pin 1 of the each sensor port, and pin 20 of the DI/DO port. Control line -- Pins 7, 8, and 9 of each sensor port are all good choices. They may be controlled using the LED transaction program command. 7526 also has optional automatic operation of DO point 6 to indicate successful operation and DO point 7 to indicate unsuccessful operation. These points are activated under the same rules as standard operation of the terminal beeper. Configure via the Terminal Configuration Editor, General Parameters section of DCC/2.
7527: 5 VDC -- On pin 1 of the each sensor port, and pin 20 of the DI/DO port. Control line -- Pins 7, 8, and 9 of each sensor port are all good choices. They may be controlled using the LED transaction program command. The LED command can work with either port, both of which are wired to correspond to the LED command as follows: LED Command Sensor Port Indicator Number Connector Position 1 7 2 9 3 8 You could also use the write DO (WRDO) command and hook it up to any of the DO points. Using the LED command is more convenient from a transaction programming point of view because a WRDO for 1 second would cause a 1 second delay in your program, while a using the LED command for a 1 second indicator beep allows your program to continue while the beep is active (it is asynchronous to the transaction program). Also, the LED command allows selection of a beep length from 0.02 to 1.98 seconds, or permanent on (set to 0). The WRDO command only allows integral numbers of seconds (or permanent on).7527 Programming Example: These examples assume that DCC/2 is used to program the terminals. Say you want to beep once for 1/2 second after a successful bar code read. You hook the beeper control line to pin 7 of Sensor Port B and simply add an LED command call after the READ: 1 READ fixed length 7 from.... 2 LED magnetic port 2 LED 1 for 0.50 seconds Or, say you want to beep once for 0.24 seconds for a read which passes a validation, and beep twice for 0.5 seconds each on a read which does not pass. Again, we are connected to pin 7 of Sensor port B.
1 READ fixed length 7 from (SA) verify skip absent in file BADGES.VAL 2 GOTO current transaction step 12 3 CMT // We skip to here if badge read absent from verfication file 4 SHOW MSG "Error: Check your badge etc....." at row 20 column 1 5 LED magnetic port 2 LED 1 for 0.5 seconds 6 CMT // Wait for 0.5 seconds for beep to end, then another 0.5 seconds 7 CMT // for a quiet period = a 1 second delay 8 DLAY 1 seconds 9 LED magnetic port 2 LED 1 for 0.5 seconds 10 CMT // Go back and let user retry input 11 GOTO current transaction step 1 12 CMT // We come to this step if verification in step 1 passed 13 LED magnetic port 2 LED 1 for 0.24 seconds 14 CMT // Go on with business....