ALLEN BRADLEY 1738-IB8M8 ArmorPoint Digital Input Module

Model/Part Number

1738-IB8M8

Description

ArmorPoint Digital Input Module

Inputs per Module

8 (1 group of 8) nonisolated, sinking

Voltage - Off-State Input (Max)

5V DC

Voltage - On-State Input

Max: 28.8V DC, Min: 10V DC, Nominal: 24V DC

Current - Off-State Input (Max)

1.5 mA

Current - On-State Input

Max: 5 mA, Min: 2 mA, Nominal: 4 mA @ 24V DC

Input Impedance

Max: 4.7 kΩ, Nominal: 3.6 kΩ

Input Delay Time (OFF to ON / ON to OFF)

0.5 ms hardware + (0-63 ms selectable)

Input Point Density

8

Field Power Bus Supply Voltage Range

10-28.8V DC (Nominal: 24V DC)

PointBus Current (Max)

75 mA @ 5V DC

Power Dissipation (Max)

1.6W @ 28.8V DC

Thermal Dissipation (Max)

5.5 BTU/hr @ 28.8V DC

Isolation Voltage

50V RMS (Tested at 1250V AC RMS for 60s)

Network Status

- Off: Not online (failed test, no power)   - Flashing Green: Online but no connections   - Green: Online with connections   - Flashing Red: Timed-out connections   - Red: Critical link failure   - Flashing Red/Green: Communication fault detected

I/O Status

- Off: Input is OFF   - Yellow: Input is ON

LED Indicators

- 8 yellow input status LEDs (logic side)   - 1 green/red network status LED (logic side)   - 1 green/red module status LED (logic side)

Dimensions (H x W x D)

4.72 x 2.83 x 1.65 inches (120 x 72 x 42 mm)

Weight

0.64 lb (0.29 kg)

Enclosure Type Rating

Meets IP65/66/67 (when marked)

Mounting Base Screw Torque

#8 screw, 7.5 in-lbs in Aluminum, 16 in-lbs in Steel

Emissions Standard

CISPR 11: Group 1, Class A