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Guard against electrostatic damage by observing the following precautions. Electrostatic discharge can degrade performance or cause permanent damage. Handle the module as stated below. This slot is reserved for the processor or adapter modules. Analog inputs are highly susceptible to electrical noise.
Electrical noise coupled to the analog inputs reduces the performance accuracy of the module. Group your modules to minimize adverse effects from radiated electrical noise and heat. Consider the following conditions when selecting a slot for the analog input module. Loosen the two terminal block release screws. Grasp the terminal block at the top and bottom and pull outward and down. Switch Settings to Select Voltage or Current Input Before installing the module in the chassis, use the DIP switches on the module circuit board to select between voltage and current inputs for channels 0 through 7.
Align the circuit board of the analog input module with the card guides located at the top and bottom of the chassis. Slide the module into the chassis until both top and bottom retaining clips are secured. Apply firm even pressure on the module to attach it to its backplane connector.
Never force the module into the slot. Cover all unused slots with the Card Slot Filler, catalog number N2. The terminal pin-out is shown below. Disconnect power to the SLC before attempting to install, remove, or wire the removable terminal wiring block. To avoid cracking the removable terminal block, alternate the removal of the slotted terminal block release screws. Note that differential inputs are more immune to noise than single-ended inputs. Use a power supply that matches the transmitter specifications.
Before wiring any analog module, disconnect power from the SLC system and from any other source to the analog module. Follow the guidelines below when planning your system wiring. Care should be taken to avoid connecting a voltage source to a current input module. Improper module operation or damage to the voltage source can occur. Cable Cut foil shield and drain wire.
8 Universal Analog Inputs
1746 SLC I/O Modules
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