The parameters of Allen - Bradley 1734 - IB2 are as follows:
Product Type: Point I/O 2 - point digital input module
Number of Input Channels: 2 non - isolated, sinking input channels
Input Voltage, Nominal: 24V DC
Input Voltage Range: 10 - 28.8V DC
Point Bus Current: 75 mA @ 5V DC
Power Dissipation @ 28.8 V DC, Max: 0.7 W
Thermal Dissipation @ 28.8 V DC, Max: 2.4 Btu/hr
Operating Temperature: - 20℃ - 55℃ (- 4℉ - 131℉)
Dimensions: 56.0 x 12.0 x 75.5 mm (2.21 x 0.47 x 2.97 in.)
Terminal Base Screw Torque: 0.8 Nm (7 lb - in.)
Indicators: One module status indicator, one network status indicator, two I/O status indicators