Crowcon Sensitron Multiscan 8+ Gas Control Unit

Code: STMTS/8+
  • Ideal for small plants with up to 16 or 24 detectors
  • Backlit LCD display
  • Every input can be configured for a different kind of gas

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The Multiscan 8+ is an innovative gas control unit, ideal for small plants with up to 16 or 24 detectors.

Monitor eight gas detectors connected directly to the control panel (4-20 mA) and an additional 12 or 16 detectors via remote 8-input cards STG/IN8S or directly to the serial line. Every input can be configured for a different kind of gas to detect both flammable and toxic compounds, refrigerant gases, and Oxygen depletion or enrichment.

The panel can manage six output relays aboard the panel and an additional 32 or 48 via the additional board STG/16REL or remote modules STG/OUT16S+STG/8REL.

The backlit LCD display accurately indicates the measured gas concentration and alarm set points. Mode status LEDs visually indicate alarm levels, fault and power-on. An internal buzzer is provided for an audible alarm in case of alarm or fault.

Order Information

MULTISCAN 8+
STMTS/8+ MULTISCAN 8+ gas control panel. 8 Analog 4-20 mA inputs and 6 relay outputs on-board the panel. 1 x RS485 type open bus line to connect an additional 8 detectors through the remote 8-input module or addressable gas detectors daisy chained to the RS485 bus.6 relay outputs and a further 16 relays via the dedicated STS/16REL card or via remote modules. The panel comes complete with 1 RS232 serial port and 1 USB port for PC connection. Housed in ABS box.
STMTS/8+16 MULTISCAN 8+16 gas control panel. 8 Analog 4-20 mA inputs and 6 relay outputs on-board the panel. 1 x RS485 type open bus line to connect an additional 16 detectors through the remote 8-input module or addressable gas detectors daisy chained to the RS485 bus. 6 relay outputs and a further 16 relays via the dedicated STS/16REL card or via remote modules. The panel comes complete with 1 RS232 serial port and 1 USB port for PC connection. Housed in ABS box.
MULTISCAN 8+ ACCESSORIES
STG/IN4-OUT4-S1 Remote module with 4 inputs 4-20mA and 4 output relays for MULTISCAN
STG/IN8S High-safety 8-input remote module with improved performance
STG/16REL 16-relay card to be connected to MULTISCAN 8+ and STPL4/ESP to provide additional 16 relay outputs
STG/OUT16S High-safety 16-output remote module (Open collector type) with improved performance.
STG/8REL Plug and play relay board to be connected to STG/OUT16 to provide 8 relay outputs
STG/TCPIP-8+ TCP/IP interface for LAN connection specific for MULTISCAN 8+
STMTS/RTU Din rail mounted remote unit for events visualization. To be RS485 connected to MULTISCAN++S1, PK & MULTISCAN 8+ serial lines; it allows the visualization and identification of events. RTU comes complete with an LCD display to show different information such as alarm or fault, 4 analogue 4-20 mA inputs for detector connection and 5 output relays that are freely programmable.
AL09 24 Vdc power supply for STPL4+D & STMTS/RTU
STG/IPBOX IP65 ABS box for STPL4+D & STMTS/RTU

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Title Size
Multiscan 8+ Datasheet 6 MB

Additional information

Weight 0.190 kg

Specifications

Electrical data
Power supply 100-240 Vac (power supply with Vout=27.6 V / Iout=2.7A) power without mains voltage supplied by two 12V / 7 Ah batteries
Inputs 8 analogue 4-20mA inputs, up to 16 or 24 by using the optional modules:
IN4-OUT4: addition of 4 analogue inputs
IN8S: addition of 8 analogue inputs
Outputs 6 relays, up to further 32 or 48 outputs can be added:
16REL: addition of 16 relays
IN4-OUT4: addition of 4 relays
OUT16: addition of 16 O/C outputs (convertible into relays with the 8REL module)
Serial ports 1 x RS485 for field installation
1 x USB or 1 x RS232 for programming, supervision and firmware updating (selectable by a switch)
Communication protocol Galileo or Modbus for field communication
Modbus for the supervision
Absorption Maximum 1.5 A from mains supply
Relays contact ratings 10A a 250 Vac main board, 16A 250 Vac IN4-OUT4 and 8REL modules, 6A 250
Vac 16REL module
Box
Material ABS
Dimensions 380x350x120 mm
Weight 8.5 kg
Cable entry 15 knockouts Ø 21mm on the top
8 knockouts Ø 21mm on the back
Wall fixing Ø 6mm rawlplugs or equivalent
Functionalities
Programming Configuration with Sensitron software
Operating levels 3, set with key on the front panel
Key operating levels Three position key to set keyboard lock, acknowledge and keyboard unlock
Set / Unset detectors Possibility of unset one or more channels for field maintenance
Test Possibility of channels test field
Supervision Efficient Modbus protocol for system supervision
Event log The event log can be visualised from the gas panel or by the software
Date and time Internal clock with backup to keep the date and time even after a shutdown
Visual indications LCD display 4raws x 16columns
10 status LEDs
Acoustic indications Buzzer 60 dB at 1m
Front panel buttons 8 buttons (Ack / Reset / Up / Down / Enter / Esc / Test Led / Menu)
Compliance
EMC EN 50270:2015
ATEX ATEX Directive 2014/34/UE
EN IEC 60079-0:2018
EN 60079-29-1:2016
Environmental conditions
Storage temperature -20 / +60°C
Operating temperature 0 / +50°C
Operating humidity 15 / 85% RH non condensing

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