Allen-Bradley 1756-OB8 Installation Instructions

Rockwell Automation Publication 1756-IN062A-EN-P - August 2017 9
ControlLogix DC Digital I/O Modules
Specifications: 1756-OB16IEFS, 1756-OB16IS, 1756-OB32, 1756-OB32K, 1756-OC8, 1756-OG16, 1756-ON8
Attribute 1756-OB16IEFS 1756-OB16IS
1756-OB32,
1756-OB32K
1756-OC8 1756-OG16 1756-ON8
Voltage and current ratings
Backplane: 5.1V DC,
320 mA, 24V DC, 3 mA
Outputs: 10...30V DC, 1 A
max, 60 °C (140 °F),
10…30V DC, 2 A 45 °C
(113 °F) per channel
(4 channels max)
Backplane: 5.1V DC,
350 mA, 24V DC, 2.5 mA
Output: 10…30V DC,
2 A
Pilot Duty (DC-13/SQ)
Backplane: 5.1V DC,
300 mA, 24V DC, 2 mA
Output: 10…31.2V DC,
500 mA current per
channel, 50 °C (122 °F)
350 mA, 60 °C (140 °F),
1 A inrush 16 A
maximum current per
module 50 °C (122 °F)
10 A, 60 °C (140 °F)
Backplane: 5.1V DC,
165 mA, 24V DC, 2 mA
Output: 30 …60V DC,
2A Pilot Duty
(DC-13/SQ)
MDL: 8 A (60 °C)
Backplane: 5.1V DC,
210 mA, 24V DC, 2 mA
Output: 4.5-5.5V DC,
24 mA
User Supply: 5.5V DC,
384 mA, 60 °C
Backplane: 5.1V DC,
200 mA, 24V DC, 2 mA
Output: 10…30V AC,
50/60Hz 2A Pilot Duty
MDL: 5 A/4 A 30°/60°C
Temperature, operating
• IEC 60068-2-1(Test Ad,
Operating Cold)
• IEC 60068-2-2 (Test Bd,
Operating Dry Heat)
• IEC 60068-2-14 (Test Nb,
Operating Thermal Shock)
0 °C< Ta < 60 °C (32 °F< Ta < 140 °F)
Temperature, surrounding air, max 60 °C (140 °F)
Enclosure type rating None (open-style)
Isolation voltage
250V (continuous),
reinforced insulation
type, outputs-
to-backplane
250V (continuous), basic
insulation type,
output-to-output
250V (continuous), basic
insulation type,
outputs-to-backplane,
and output-to-output
250V (continuous),
reinforced insulation
type,
inputs-to-backplane
250V (continuous),
basic insulation type,
input group-to-group
No isolation between
individual group inputs
250V (continuous), basic insulation type, outputs-to-backplane, and output
group-to-group
No isolation between individual group outputs
North American temp code T4 T4A T3C T4 T4A
ATEX temp code T4
IECEx temp code T4
Specifications: 1756-OV16E, 1756-OV32E
Attribute 1756-OV16E 1756-OV32E
Voltage and current ratings
Backplane: 5.1V DC, 210 mA, 24V DC, 2 mA
Output: 10...30V DC, SINK OUTPUT 1A Pilot Duty (DC-13/SR)
MDL OUT: 8 A max
Backplane: 5.1V DC, 390 mA, 24V DC, 2 mA
Output: 10...30V DC, 350 mA, 60°C, 500 mA, 50°C Pilot Duty (DC-13/SS)
Group: 5 A/8 A 60°/50°C
Temperature, operating
• IEC 60068-2-1(Test Ad, Operating
Cold)
• IEC 60068-2-2 (Test Bd, Operating
Dry Heat)
• IEC 60068-2-14 (Test Nb,
Operating Thermal Shock)
0 °C< Ta < 60 °C (32 °F< Ta < 140 °F)
Temperature, surrounding air, max 60 °C (140 °F)
Enclosure type rating None (open-style)
Isolation voltage
250V (continuous), basic insulation type, outputs-to-backplane, and output group-to-group
No isolation between individual group outputs
North American temp code T4
ATEX temp code T4
IECEx temp code T4

Allen-Bradley 1756-OB8 Specifications

General

Brand	Allen-Bradley
Model	1756-OB8
Category	Control Unit
Language	English