Intelligent Technologies (IT.) D77A I/O Module Products
6For more information visit: www.EatonElectrical.com MN05002001E
Environmental Specifications
Table 3: Environmental Ratings
Device Default I/O Data

The following tables display the device default data mapping for D77A I/O modules as the data would appear on a network.

Table 4: 8 Point Discrete Input Module (Produced)
Table 5: 8 Point Discrete Output Module (Consumed)
Table 6: 16 Point Discrete Input Module (Produced)
Table 7: 16 Point Discrete Output Module (Consumed)
Table 8: 16 Point Discrete Combination Module (Produced)
Table 9: 16 Point Discrete Combination Module (Consumed)
Table 10: 4 Channel Analog Input Module (Produced)

*Sign Bit

1 = True (-)

0 = False (+)

**Not Used

Category Description Specification
Transportation
and Storage Temperature -50°C to 80°C [-58°F to 176°F]
Humidity 5 – 95% non-condensing
Operating Temperature -25°C to 55°C [-13°F to 131°F]
0°C to 55°C [32°F to 131°F] (analog I/O only)
Humidity 5% – 95% non-condensing
Altitude Above 2000 meters [6600 feet] consult factory
Shock
(IEC 68-2-27) 15G any direction for 11 milliseconds
Relay Operation 8G any direction
Vibration
(IEC 68-2-6) 5 – 150 Hz, 5G, 0.7 mm maximum peak-to-peak
Relay Operation 10 – 55 Hz, 3G, 0.7 mm maximum peak-to-peak
Pollution Degree Devices are intended to be installed in a pollution degree 2
environment.
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0Byte
I7 I6 I5 I4 I3 I2 I1 I0 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0Byte
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0Byte
I7 I6 I5 I4 I3 I2 I1 I0 0
I15 I14 I13 I12 I11 I10 I9 I8 1
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0Byte
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 0
Q15 Q14 Q13 Q12 Q11 Q10 Q9 Q8 1
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0Byte
I7 I6 I5 I4 I3 I2 I1 I0 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0Byte
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 1
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 WORD
SB * Analog Input Data/Channel 0 N/A** 0
SB * Analog Input Data/Channel 1 N/A** 1
SB * Analog Input Data/Channel 2 N/A** 2
SB * Analog Input Data/Channel 3 N/A** 3