Instructions

□
□ □: issuing a state-code information, ASCII code format
<BCC>: <STX> @ 'S' @ 'F' @ □ @ □ @ □ @ <ETX>, order or check different pieces of code
Notes: @ for the XOR operator.
3
.5.6 The timing of communications between the host and the slave
3
.5.6.1 Issuing order timing
Host: “DC”
ENQ
Card dispenser: ACK/NAK
<operation>
3
.5.6.2 Withdrawing order timing
host： “CP”
ENQ
card dispenser：ACK/NAK
<operation>
“SF□□□”
<reset>
3
3
.5.6.3 Inquiry order timing
Host： “RF”
ENQ
Card dispenser: ACK/NAK
.5.6.4 Reset order timing
Host： “ST”
ENQ
Card dispenser: ACK/NAK
Note:ACK:06(HEX)，NAK:15(HEX)，ENQ:05(HEX)。
4. Dispenser working states indication
The red LED of the control broad in card dispenser indicates Voltage states. And the buzzer
output shows all kinds states of the card dispenser.
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