EasyManuals Logo

Woodward 505XT User Manual

Woodward 505XT
242 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #47 background imageLoading...
Page #47 background image
Manual 35018V1 505XT Digital Control System for Steam Turbines
Woodward 45
Hardware - Relay Outputs
This control provides (8) Isolated, Form-C Relay outputs with NO, COM, NC contacts available at the
terminal block.
Features
(8) Relay Output Channels
Each Relay Output provides NO, COM, and NC contacts
Each Relay Output channel provides a coil voltage readback fault
Woodward GAP block, diagnostics, and configuration support
Contact isolation maintained at terminal blocks
ATEX approved version available using hermetically sealed relays
GAP configurable update rates of 5 ms to 160 ms
Table 2-12. Specifications (Relay Outputs)
Number of channels (8) relays
Contact Type Form-C with NO, COM, and NC terminals
STD Relay, contacts (DC) 5 A, 5-30 Vdc (resistive)
STD Relay, contacts (AC) 2 A, 115 Vac (resistive)
STD Relay, operate time < 15 ms typical
RELAY Coil Readback Coil voltage readback status is available
RELAY Coil Rdbk Filter 1 ms approx at room temp
RELAY Output Isolation 500 Vrms minimum to EARTH and all other I/O
RELAY Contact Isolation 500 Vrms minimum between open contacts
RELAY to RELAY Isolation 500 Vrms minimum between relays
IOLOCK State
Relay outputs are de-energized during power-up, power-
down, core voltage failures and watchdog failures
ATEX version: The ATEX approved control uses a Hermetically sealed relay
ATX Relay, contacts (DC) 5 A, 5-30 Vdc (resistive), 0.2-0.5 A (inductive)
ATX Relay, contacts (AC)** 2 A, 115 Vac (resistive), 0.1-0.2 A (inductive)
Explosion
Hazard
**ATEX/IECEx Compliance requires relay contact loads be
limited to < 32 Vac rms / < 32 Vdc.
Figure 2-12. Relay Output Block Diagram

Table of Contents

Other manuals for Woodward 505XT

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Woodward 505XT and is the answer not in the manual?

Woodward 505XT Specifications

General IconGeneral
BrandWoodward
Model505XT
CategoryControl Unit
LanguageEnglish

Related product manuals