Apollo 120 III, 150 III user manual DIO Digital Input & Output, Read SD0, SD1 Write SD4, SD5

User Manual version 2305

4.11. DIO (Digital Input & Output)

The APOLLO III provides 2-channel digital input and output that can be used for the system’s simple automation control needs. The digital I/O can be configured to control the opening of a cash drawer or to sense the warning signal of an uninterrupted power system (UPS) or to do the store security control.

The DIO port address and pin definition is listed below;

I/O Port address: 208H				DIO1
				RJ11
Read: SD0, SD1
Write: SD4, SD5
		1	2	3	4	5	6
IO 208H(READ)6	)	IO 208H(WRITE)
		IO 206H(WRITE)

SD0	18		1Y1	1A1	2		IN_0	SD4	3
SD1	16				4		IN_1			D1	Q1
		14	1Y2	1A2	6			SD5	4	D2	Q2
			1Y3	1A3					7
		12	1Y4	1A4	8					D3	Q3
		9			11				8
			2Y1	2A1						D4	Q4
		7			13				13
		5	2Y2	2A2	15				14	D5	Q5
		3	2Y3	2A3	17				17	D6	Q6
			2Y4	2A4						D7	Q7
									18
				1G	1	-IOR206H				D8	Q8
		20			19			-IOW206H	11
			VDD	2G						CLK	VCC
					10				1
				GND						CLR	GND
			74LS244							74LS273

2OUT_0

5OUT_1

12

15

19

20

10

VCC5

	4.7K		VCC12
OUT_0			1
VCC5		IN_0	2
			3
			4
		IN_1	5
	4.7K		6
OUT_1		MOSFET N

DIO1

RJ11

4-48 APOLLO 120/150 III