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ICS Regent+Plus

7016

Industrial Control Services

AC Digital Output Module

110 VAC

(T7444)

Issue 1,

March, 06

The AC digital output module provides control of 16 user

output loads. One type of module is available to interface to

outputs powered from a nominal 110 VAC field power su

pply.

Each module's triplicated I/O Safetybus interface ensures that

no Regent system failure can incorrectly apply power to an

output, and that no failure in the module can affect the

operation of the Regent system or other I/O modules in the

system.

Features

Sixteen output circuits, configured as two isolated groups of

eight circuits each.

Hot

replaceable.

Automatic self

testing of triplicated I/O Safetybus circuits and

many simplex logic circuits.

2 amp output circuits.

Zero

cross load switching.

Individual front panel indicators on each module show active

and fault, shutdown, blown fuse, and output on/off status (logic

side).

2500 volt minimum electrical isolation between field and logic

circuits.

Fuses accessible from front panel.

TÜV certified, Risk Class 5, non

interfering.

Summary of content (13 pages)

PAGE 1
ICS Regent+Plus ® PD-7016 AC Digital Output Module 110 VAC (T7444) Issue 1, March, 06 The AC digital output module provides control of 16 user output loads. One type of module is available to interface to outputs powered from a nominal 110 VAC field power supply.
PAGE 2
AC Digital Output Module (T7444) Module Operation A block diagram of a typical 110 VAC digital output module is shown in Figure 1. The processor modules send triplicated write data commands to the output module over the I/O Safetybus. The processors’ addressing data and data write commands are voted by the module (preventing I/O Safetybus failures upstream from the module from affecting module operation). The voted result is then passed to the I/O bus interface logic. Figure 1.
PAGE 3
(T7444) AC Digital Output Module Optical isolation between the module’s logic and field circuits provides logic-to-field isolation — protecting the output module from field signal over voltages, transients, and other electrical disturbances. It also provides a safety barrier between the primary field voltages and user accessible circuits. Each output is individually fused to protect the circuits from short circuit conditions in output wiring and field devices.
PAGE 4
AC Digital Output Module (T7444) Active and Fault Status Indicators These green and red LEDs indicate the overall health of the module. During normal operation, the green ACTIVE indicator flashes at the controller’s scan rate. If a module fault is detected the red FAULT indicator turns on and the green ACTIVE indicator turns off. Shutdown Indicator Upon loss of communications with the controller, output modules enter either a shutdown or hold fault mode.
PAGE 5
(T7444) AC Digital Output Module Figure 2. 110 VAC Digital Output Module.
PAGE 6
AC Digital Output Module (T7444) Application Simplex Configuration Digital output modules provide a suitable interface to noncritical output devices. These non-critical devices typically include status alarms or other field devices that are not used for primary safety shutdown purposes. Although much of the circuitry on the digital output module is automatically tested, some logic circuits and the field-side output switch are simplex and non-tested. This simplex configuration is illustrated in Figure 3.
PAGE 7
(T7444) AC Digital Output Module Fault Mode Jumper The fault mode jumper is located behind the ID switch cover in the lower left-hand corner of each I/O chassis. The position of the fault mode jumper determines the module's response to system level faults. The fault mode jumper’s position will cause all output modules in the I/O chassis to either shutdown (turn off all outputs) or to hold (hold the last state) after a system level failure occurs.
PAGE 8
AC Digital Output Module (T7444) Figure 4. Installing Slot Keys. Configuration Each output module is configured using the WINTERPRET I/O Configuration Editor. In the editor you will perform the three steps described below to configure the output module.
PAGE 9
(T7444) AC Digital Output Module 1) Set the Module Type: Position the cursor on the module slot you wish to define. Choose Set Module Type from the Edit Menu and select the appropriate digital output module from the list. 2) Edit the Module Definition: Choose Edit Module Definition from the Edit Menu. A dialog box will open where you can define the output point definitions. Figure 5. Digital Output Module Definition.
PAGE 10
AC Digital Output Module (T7444) Name Also called the tag name, this is the name used in the application program to reference the output point. The name can be up to 12 characters long. Description This 40-character field provides a place to describe the output point definition. The description is used to help document your system (it does not affect application program operation).
PAGE 11
(T7444) AC Digital Output Module control logic by using a contact element (or similar element) with the output point name. Maintenance No periodic maintenance or calibration is required for this module. Fuses can be removed and replaced without removing the module from the I/O chassis. Turning the fuse holder onequarter turn from its locked position releases the fuse holder, extending the fuse and allowing it to be removed.
PAGE 12
AC Digital Output Module (T7444) Specifications 12 Safetybus Power 0.8 load units Number of Outputs 16 circuits divided into two groups of 8 circuits each Voltage Range 90 to 130 VAC Frequency Range 47 to 63 Hz Load Current 2 amps maximum per output 0° to 50° C, derated linearly to 1 amp at 60° C 8 amps maximum per group of 8 outputs 0° to 60° C 16 amps maximum per module 0° to 60° C Minimum Load 50 mA On State Drop 2.
PAGE 13
(T7444) AC Digital Output Module Operating Humidity 0 to 95% relative humidity, non-condensing Vibration 10 to 55 Hz: ±0.15mm Shock Operating: 15 g, ½ sine wave, 11 msec Electromagnetic Interference • • • IEC 801 Part 2 - Electrostatic Discharges IEC 801 Part 3 - Radiated Electromagnetic Fields ANSI/IEEE C37.