In a system where the field wiring is required to be connected to the
rear of the system, the rack is centrally divided into front and rear
sections by a printed circuit board backplane which provides common
power and signal routeing between individual Channel Control Cards.
Channel Control Cards are fitted at the front of the rack while Interface/
Relay cards are fitted directly behind the Channel Control Cards at the
rear of the rack. The Channel Control Cards and their respective
Interface/Relay Cards are interconnected by a plug and socket arrangement.
In a system where the field wiring is required to be connected to the
front of a system, the Channel Control Cards and Interface/Relay
Cards are mounted one above the other in a 6U rack. The backplane
printed circuit board still provides the common power and signal
routeing between the individual Channel Control Cards while short
cables at the rear of the cards connect each Channel Control Card to
their respective Interface/Relay Card.
Simple calibration and checking of the system is carried out using
push buttons on the Engineering Card fitted to each rack. More
complex configuration can be carried out using the RS232 link between
the Engineering Card and an external IBM compatible personal
computer running the engineering interface software.
Additional functions can be provided by the Engineering Card using
optional modules that plug into the Engineering Card. See the following
module operating instruction manuals:
05701M5006 Modbus Interface Module
05701M5007 Event Printing Module
05701M5008 Master Alarm Update Module
The 5701 Control System is shown in Figure 1 with an overview at Figure 2.
General
The power converter modules DCS800-S have the protection class IP00 and are to be mounted in a cubicle or finger protected area.
There are different sizes (D1. D2. D3. D4. D5. D6. D7), graduated in terms of current and voltage ranges.
All units are equipped with the DCS800 Control Panel.
It can be snapped into place on the power converter module or installed in the switchgear cubicle door by means of amounting kit.
Accessories such as external fuses, line reactors etc. are also available, to complete the drive system.
All converter modules up to 525 V and 1000 A (D1...D4) are equipped with field exciters.
The power section of the converters is available as single (2-Q) bridge or double (4-Q) bridge. 4-Q drives are required for regenerative breaking.
4-Q drives can be built by:
–Double (4-Q) armature bridge or –Single (2-Q) armature bridge plus a double (4-Q) field converter bridge
The bridge type has an influence on the maximum output voltage of the converter. See table below.
CONSTRUCTION
The system consists of individual 1'' (2.54cm) wide cards fitted to a
rigid custom rack designed to fit Euro rack cabinets. Two rack widths
are available:
a. 19 inch with 17 card slots to house up to 16 Channel Control Cards
and an Engineering Card.
b. Half 19 inch with nine card slots to house up to eight Channel
Control Cards and an Engineering Card.
Each sub-rack contains an Engineering Card and a DC Input Card to
make up the rack system
The system is designed to meet the differing customer wiring
configurations and to achieve this the control functions are split away
from the relays and field wiring connections. A single channel of gas
detection therefore consists of:
a. Sensor Drive Module
In order to achieve compatibility with a range of different inputs and
sensor types, the circuitry necessary to control the sensor is
housed on an independent plug-in Sensor Drive Module. These
modules plug directly into a Channel Control Card and are factory
fitted. There are two different modules, one for catalytic inputs and
one for 4 - 20mA inputs.
b. Single Channel Control Card
Each Single Channel Control Card functions independently and
contains all the necessary electronic circuitry to provide the sensor
drive, alarm detection and gas level display for that channel of gas
detection.
c. Field Interface or Relay Card
The Field Interface/Relay Cards provide the interface connections
between the Control Cards and their respective field connected
gas sensor. In addition, Relay Cards provide alarm outputs to the
field connections.
Other advantageous products on sale are listed below:
Honeywell 05704-A-0121 Four relay interface card
ABB VBS01-CJC Vert. Base Single Cold Junction Comp.
ABB VBS01-CJCA Vert. Base Single Cold Junction Comp.
ABB VBS01-EPD Vert. Base Single Ext. Pwr Inputs
Digital Input (125 VAC/VDC Indiv. Fused) )1C31232G03 5X00034G01
Digital Input (125 VAC/VDC differential) 1C31232G03
Digital Input (24/48 VAC/VDC Indiv. Fused) 1C31232G02 5X00034G01
Honeywell 05704-A-0145 Control card 4-20mA
Honeywell 05704-a-0144 Four channel control card
Honeywell 05704-c-0160 Catalysis Interconnect
Honeywell 04200-A-0146 Analog output module source
Honeywell 04200-A-0145 Analog output module receiver
ABB VBX01B HN800 Bus Extender Vertical Bottom
ABB VBX01BA HN800 Bus Extender Vertical Bottom
ABB VBX01K02 HN800 Bus Extender Kit Vertical
ABB VBX01K02A HN800 Bus Extender Kit Vertical
ABB VBX01T HN800 Bus Extender Vertical Top
ABB VBS01-EPDA Vert. Base Single Ext. Pwr Inputs
ABB VBS01-FPH Vert. Base Single Field Pwr Hot
ABB VBS01-FPHA Vert. Base Single Field Pwr Hot
ABB VBS01-FPN Vert. Base Single Field Pwr Neutral
ABB VBS01-FPNA Vert. Base Single Field Pwr Neutral
Honeywell 05701-A-0515 Front entrance 16-way splitter
Honeywell 05701-C-0390 Interconnecting Cable
Honeywell 05701-A-0365 Blanking Panel
Honeywell 05701-A-0351 Control Card
Honeywell 05701-A-0283 4 - 20mA Sensor Drive
Contact Input w/Onboard 48 V wetting 1C31142G01 1C31110G03
Digital Input (125 VAC/VDC differential) 1C31107G02 1C31110G02
Digital Input (125 VAC/VDC single ended) 1C31107G02 1C31110G01
Honeywell 05701-A-0284 Catalytic Sensor Drive
Honeywell 05701-A-0326 Field Interface Card
Honeywell 05701-A-0327 Double SPCO Relay Card
Honeywell 05701-A-0328 Triple SPCO Relay Card
Honeywell 05701-A-0329 Triple DPCO Relay Card
Honeywell 05701-A-0330 High Integrity Relay Card
Digital Input (24 VAC/VDC or 48 VDCdifferential) 1C31107G01 1C31110G02
Digital Input (24 VAC/VDC or 48 VDC singleended) 1C31107G01 1C31110G01
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