which displays the reading and status of connected gas detectors. The
maintenance capability.
The 5701 Series Control System is part of the System 57 family and is
designed to monitor field mounted industrial gas detectors. The principal
features of the system are:
* Provides up to 16 channels of gas detection in a standard 19'' subrack using a 3U card format.
* Provides up to eight channels of gas detection in a half 19'' subrack using a 3U card format.
* Racking available for both front and rear access field wiring.
* Simple field connections for wire up to 2.5mm2
.
* Single channel mode of operation for high integrity systems.
* Channel Control Cards removable without disturbing other wiring.
* Catalytic bridge or 4 - 20mA input.
* Optional alarm change-over relay outputs.
* Multi-alarm mode for master, zoned and voted alarms.
* Rising, falling, STEL and LTEL / RATE alarm outputs.
* Update alarm on individual or multi channel alarms.
* Remote inhibit and reset inputs.
* Time delay on switch on and/or switch off of relay outputs.
* Optional 0 - 20mA or 4 - 20mA isolated monitor output.
* Easy to calibrate and operate using a dedicated Engineering card.
* EMC compliant.
* Options provided via Engineering Card:
* Master Alarm Update.
* Event Printers.
* Serial communication using Modbus protocol.
