Eaton Electrical user manual D77A-AI8AQ8, Catalog Number AC Input AC Output

Intelligent Technologies (IT.) D77A I/O Module Products

Table 22: D77A-AI8AQ8 Combination Module Specifications

	D77A-AI8AQ8
Catalog Number	AC Input		AC Output
Nominal Voltage	120V AC, 50/60 Hz		120V AC, 50/60 Hz
Operating Voltage	80-140V AC		80-140 V AC
Number of Points	8		8
Points per Common	2		2
OFF State Voltage	0-30V AC *		—
ON State Voltage	80V-140V AC		—
Minimal Load Current (Resistive)	15 mA		—
Signal Delay		8.33 ms @ 60 Hz
		10 ms @ 50 Hz
Max. Current/Point (Resistive)	—		0.5A @ 30°C
			0.1A @ 55°C
Max. Current/Module (Resistive)	—		4A @ 30°C
			0.8A @ 55°C
Surge Current (10 ms)	—		10A
OFF State Leakage			2 mA
QCPort Current Draw		132 mA
Isolation		1.5kV
Terminal Screw Torque		4.5 inch-pounds (0.51 Newton-meters)

* A 50V transition range exists between 30V and 80V.

	Ø	CR	Ø
	1	CR	1
V A C	CØ	V A C	C4	COM	L2
	2	CR	2
	3	CR	3	IN	OUT
V A C	C1	V A C	C5
	4	CR	4
	5	CR	5
V A C	C2	V A C	C6	IN	OUT
	6	CR	6	b	c
	7	CR	7
V A C	C3	V A C	C7
					D77A-029
	a

Figure 14: D77A-AI8AQ8 Combination Module Diagrams

a)D77A-AI8AQ8 Module

b)Internal AC Input Circuit

c)Internal AC Output Circuit

20 For more information visit: www.EatonElectrical.com MN05002001E