DL8000 Preset Instruction Manual
Revised February-2016
Modules
3-5
Analog Output (AO), Discrete Output (DO), and Discrete Output
Relay (DOR) modules that provide the ability to control various
control devices.
The Alternating Current I/O Module (AC I/O) module provides the
ability to read the status of an AC input or control an AC output.
The Advance Pulse Module (APM) provides advanced functionality
typically found in liquids and gas measurement applications.
The RTD Input module provides the ability to monitor various
analog temperature field values.
The HART
®
interface module that enables the DL8000 to
communicate with devices using the Highway Addressable Remote
Transducer (HART) protocol as either Analog Inputs or Analog
Outputs.
Each module rests in a module slot at the front of the DL8000 housing.
I/O modules easily install into and remove from the module slots. You
can install and remove modules while the DL8000 is powered up (hot-
swappable). Modules may be installed directly into unused module slots
(hot-pluggable), and modules are self-identifying in the software. All
modules have removable terminal blocks to make servicing easy. I/O
modules can be added in any module slot.
Note
:
You can install comm modules only in slots 1, 2, or 3 of the
DL8000.
The I/O modules acquire power from the backplane. Each module has
an isolated DC/DC converter that provides logic, control, and field
power as required. The DL8000 has eliminated the need for fuses on the
I/O modules through the extensive use of current-limited short-circuit
protection and over voltage circuitry. Isolation is provided from other
modules and the backplane, power, and signal isolation. The I/O
modules are self-resetting after a fault clears.
3.2.1 General Installation
Each I/O module installs in the DL8000 in the same manner. You can
install any I/O module into any module socket, whether empty or in
place of another module.
Caution
Failure to exercise proper electrostatic discharge precautions (such as
wearing a grounded wrist strap) may reset the processor or damage
electronic components, resulting in interrupted operations.
When installing units located in a hazardous area (where explosive
gases may be present), make sure the area is in a non-hazardous state
before performing procedures. Performing these procedures in a
hazardous area could result in personal injury or property damage.
