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Connect coin acceptor to software

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xmiker:
Hi.
I try trial version of software to connect cctalk coin acceptor to PC. All wires like in scheme. I use USM-COM adapter Prolific PL2303 and Silicon Labs CP210x. In software coin acceptor detected (I try to connect EMP800, NRI G-13, SR3, Microcoin SP). But then software writes: failed to map coin. What does it mean? What can I do to connect coin acceptor to software?
Thanks.

Steve:
Hi xmiker

'Failed to map coin' means the coin acceptor did not reply (timeout).
Can you show some pictures of your wiring to the SR3 ?.

Steve

xmiker:
Hi.
Thank you for your answer.
I think maybe SR3 not in CCTalk protocol? But I try some another coin acceptors: EMP, Microcoin SP.

Steve:
Hi xmiker

Ok, wiring looks correct, 2 things to try...

1. check your comm port is set to 9600 baud rate
2. change usb cable to this one:- http://www.ebay.co.uk/itm/USB-to-RS232-TTL-PL2303HX-ble-Adapter-COM-Module-Converter-Adapter-Arduino-/322099557451?hash=item4afea1344b:g:HPUAAOSwEjFXfqVQ

Steve

Bry:
that rs232 adapter in picture 3 is wrong
it probably has wrong voltage may damage the sr3, it might be giving out 9v wich is too much, u need the prolific PL2303HX which gives 5v (logic level output).

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