MSA 9010/9020 SIL - Gas Control System
The MSA 9010/9020 SIL controllers are reliable and sophisticated gas warning systems, that are compatible with a great range of gas detectors and best suited for smaller gas detection systems. The 9010 SIL rack module operates with one channel per module whereas the 9020 SIL rack module operates with two channels per control module. With the upgraded design, workers and facilities can have increased reliability in terms of safety as this controller is now SIL 2 compliant.
The 9010 SIL Control Unit is designed for one general purpose input such as a catalytic combustion detector, semiconductor detector or 4/20 mA transmitter. The 9020 SIL Control Unit is very similar however, can connect two general purpose inputs. Both are available as either a wall mounted unit for installation directly to a wall or a 19” rack module to be installed into a 19” rack (Refer to operating manual for more information).
With the modular design and dual channel capability, users can have up to 20 channels within a 19” rack. Furthermore, connect remote sensors with 2,3 or 4 wire cabling.
There are many other benefits to the user such as: being able to configure the controller without the use of additional tools; operating anomalies are displayed via the error and failure messages on the LCD screen; detectors can be changed without having to renew the controller card; configurations can be checked quickly; and it can be applied across a variety of applications.
These applications include: gas-processing industry, paint and solvent industry, chemical and petrochemical industry and wastewater treatment plants or similar.
- 3 alarm thresholds: C (Caution), W (Warning) and A (Alarm)
- Passwords preventing unintended unit configuration
- LCD display with 4 keypad buttons (ESC, Enter, up, down)
- Possible to configure dual state inputs (digital)
- Minimise false alarms with the internal diagnostics feature
- Backwards compatible with prior 9010/9020 versions
- Individual modules have their own power supply
- IP65 Rated (Wall Mount)
Power Supply |
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AC Supply |
100 VAC–240 VAC 50/60 Hz |
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DC Supply |
24 VDC (19–32 VDC), ripple |
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Power Consumption (no load) |
9010 SIL |
9020 SIL |
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AC Supply |
13 VA |
15 VA |
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DC Supply |
5 W |
6 W |
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Detector Supply |
3 W |
4 W |
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Constant Current |
100-450 mA |
100-350 mA |
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Constant Voltage |
24 VDC; 450 mA |
24 VDC; 350 mA (4–20 mA transmitters) |
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Sensor Connection Modes |
2-3 wires |
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Connection Terminals |
For wires up to 2.5 mm² |
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Detector types |
Passive catalytic detectors; 0 (4)–20 mA transmitters; Switch inputs |
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Analog Inputs |
1x 0 (4)–20 mA (user configurable) |
2x 0 (4)–20 mA (user configurable) |
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Max. loop resistance 500 Ohms |
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Communication interface |
RS485 half-duplex, Modbus RTU; Ethernet, 10/100 Mbps, Modbus TCP, Website |
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Alarm thresholds |
C [Caution] W [Warning] A [Alarm] |
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Digital Outputs |
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Alarm Relays |
2x SPDT relay 8 A/250 VAC, resistive load, load current 10 mA–1.6 A, applies to WARNING and ALARM |
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Failure Relays |
1x SPDT relay 8 A/250 VAC, resistive load, load current 10 mA–1.6 A |
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Horn relay |
1x SPDT relay 8 A/250 VAC, resistive load, load current 10 mA–1.6 A |
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Opto-isolated output |
30 mA, 24 VDC max, resistive load, related to CAUTION |
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Alarm Management |
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Reset Mode |
Automatic or manual |
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Alarm Delay |
0–600 s (for non ATEX mode only) |
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Span and Zero drift |
< ± 0.5 % f.s. ± 1 digit/month |
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Accuracy (withoutsensor) |
± 1% full scale ± 1 digit |
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Operating temperature |
–10° C to +55° C |
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Storage temperature |
–25° C to +60° C |
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Humidity |
Max. 90% R.H. non-condensing |
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Vibrations |
10–30 Hz, amplitude 1 mm, 31–100 Hz, max. acceleration 19.6 m/s² |
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Display |
Back lit LCD, 4-digit, 7-segments |
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Optical alarms |
LEDs |
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Time-out setting |
Automatic return to measurement after max. 6 minutes |
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Configuration and log book data |
Stored in non-volatile memory |
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Protections |
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AC/DC in case of power failure |
Redundant power inputs, automatic electronic switch over in case of main break down |
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Diagnosis |
Self-monitoring electronics |
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Dimensions and Weights |
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Rack |
10 modules |
5 modules |
2 modules |
Weight |
3kg |
1.8kg |
1.2kg |
Dimensions |
482.6 x 132.5 x 300 mm |
279.5 x 132.5 x 300 mm |
157.5 x 132.5 x 300 mm |
Wall Mount |
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Weight |
1.3 kg |
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Dimensions (W x H x D) |
255 x 180 x 90 mm |
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Front panel size |
3 U x 8 T.E. |
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Standards |
EN 61010:2011 (Low voltage directive) EN 50270:2015 (EMC) EN 60079-29-1:2007 (ATEX Perfomance) EN 50104:2010 (Oxygen Perfomance) EN 50271:2010 (Software) EN 61508:2010 (SIL 2; Functional safety) |
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Approvals |
ATEX performance II (1) G (2) G Certificate BVS 16 ATEX G 001 X SIL 2 suitable Certificate TÜV |