Honeywell 05701-A-0506 8-Way Sub-rack

Sieger System 57 5701 Control System

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.

Channel control cards are removable and do not interfere with other wiring.

Catalytic bridge or 4 - 20mA input.

Optional alarm switching relay output.

Multi-alarm modes for master, zone and voting alarms.

UP, DOWN, STEL and LTEL / RATE alarm outputs.

Update alarms for single or multi-channel alarms.

Remote inhibit and reset inputs.

Relay output on and/or off delay.

Selectable 0 - 20mA or 4 - 20mA isolated monitor outputs.

Easy calibration and operation with dedicated engineering card.

EMC compliant.

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 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.

Key Features

The 5701 Series Control System is part of the 57 System family and is designed to monitor and control field installed industrial gas detectors.

The key features of the system are as follows.

Provides up to 16 gas detection channels in a standard 19'' subrack using a 3U card format.

Provides up to 8 gas detection channels in a 3U card format in a half 19'' subrack.

Racks are available for both front and rear wiring.

Simple field connection for wires up to 2.5mm2.

Single channel operation mode for high integrity systems.

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.

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