NRI G-13.mft MDB/S1, Operating Instructions Manual

Page: 45 / 65

G-13.mft MDB/S1 T
ECHNICAL DATA
45
National Rejectors, Inc. GmbH, Buxtehude
Commands, status and error messages
In the following tables you will find commands, status and errors messages
that are implemented for the MDB or S1 protocol.
For further details, please refer to "NAMA document MDB/ICP 2.0"
(www.vending.org) and to the NRI S1 specification for the G-40 S1,
which we will be pleased to place at your disposal on request.
Implemented MDB commands
Byte 1 Byte 2 Command Data [Bytes
expected/
returned]
00h – Reset [0/ACK]
01h – Status [0/23]
02h – Tube Status [0/18]
03h – Poll [0/1..16]
04h – Coin Type [4/ACK]
05h – Dispense [1/ACK]
07h 00h Expansion Command Identification [0/33]
07h 05h Expansion Command Status [0/2]
MDB status and error codes (reply to poll)
Byte 1 Byte 2 Meaning
01h – Return lever pressed
05h – Two coins (coin inserted too quickly)
08h – Program error/data memory
09h – Accepted coin sensor (CP3/CP4) did not detect
- within specified measuring time
0Bh – Reset occurred
0Ch – Coin pile-up
20h – 3Fh – Unknown coin rejected (slug counter)
40h – 4Fh 00h Coin 0–15 accepted
70h – 7Fh 00h Coin 0–15 rejected