The PLC 1794-IB8 module is an I/O module with 8 digital sink inputs. It has a nominal voltage rating of 24 Volts DC. It is an SIL2 rated module that is suitable for industrial use. The 1794-IB8 Flex I/O digital input module should be used in a Pollution Degree 2 rated industrial environment at up to an altitude of 2000 meters above sea level. The module comes with an open enclosure and it is rated for indoor use only. It has a basic insulation voltage type of 50 Volts between the field side and the system. No isolation is present between individual input channels. The 1794-IB8 module can be mounted by using a DIN rail and it can be attached to the panel of the host PLC system. The module is certified with the CE, CSA, C-Tick, and UL standards. It is used with the TB3/TB3S terminal base.
The PLC 1794-IB8 input module is 94 millimeters in height, 69 millimeters in depth, and 94 millimeters in width. This digital module is conformally coated to survive in extreme and harsh industrial conditions. The 1794-IB8 input module is a Series A module with a Flexbus rating of 5 Volts DC and a current rating of 20 milliamps. A keyswitch is present on the back of the module that is assigned to Position 2. The module has a power dissipation rating of 3.5 Watts with a voltage rating of 31.2 Volts DC maximum. The on-state minimum and maximum voltage ratings are 10 Volts DC and 31.2 Volts DC, respectively. The operating temperature range of this digital module should be set between 0 and 55 degrees Celsius with non-condensing ambient humidity. It is easy to install and replace.