Product Features
The Teledyne Oldham MX 32 controller takes both analogue & digital inputs and covers all needs for a wide variety of applications. The MX 32 is a compact, low-profile controller that continuously monitors gas detection and more generally any 4-20 mA, MODBUS RS485 signal from compatible detectors.
Oldham MX 32 Key Features:
Different modules can be connected to improve the capabilities of the controller.
4 or 8-relay module
Programmable 4 or 8--relay module can be located closer to the actuators for cost saving.
8-analog-input
Can connect standard analog transmitters (gas or flame detectors for instance) on a digital line for cost savings.
16-logic-input module
Addressable module of 16 logic input for recovery of digital information such as fire or intrusion alarms, emergency stop, limit switch activation, etc.
4-analog-output
Addressable 4-analog-output module that delivers four analog 4-20mA signal outputs (detector output copy, min, max,average of a group of detectors) for connection to a datalogger, a PLC, a Building Management System (BMS), etc.
| Model | MX 32 gas detection control panel |
| Dimensions (w*h*d) | 265 x 266 x 96 mm (10.4 x 10.5 x 3.8 inches) |
| Ingress protection | IP55 |
| Cable entries (wall-mounted version) | 5 M16 cable glands, 4 to 8 mm2 (8 to 11 AWG) outer diameter cable 2 M20 cable glands, 6 to 12 mm2 (7 to 9 AWG) outer diameter cable |
| Display | LCD back-lit display + smart keys Display in grayscale mode in case of fault Customizable by user (display 1 to 8 channels simultaneously, fixed or scrolling, on events...) Bar graph with alarm threshold |
| Visual indicators | 7 LEDs per line for Detector status 1 common LED for Fault condition 1 common LED for Power condition |
| Buttons | 5 smart keys 1 audible alarm accept/reset button |
| Operating use | |
| Operating temperature | -20°C to +50°C (-4°F to +122°F) |
| Storage temperature | -20°C to +50°C (-4°F to +122°F) |
| Humidity | 5 to 95% RH |
| Power input | 100-240Vac 50-60Hz (35W) or 22-28Vdc (92W) |
| Consumption | 250mA max. (without module or detector |
| Measurement lines | |
| Digital lines | 2 maximum RS-485 communication, proprietary protocol, 9600 Baud 2 twisted shielded-pair cable |
| Analog channels | 2 maximum (4-20mA or Wheatstone Bridge) 0-23mA analog signal input (4 to 20mA reserved for measurement) or OLC 10, OLC 10Twin and OLC 100 flammable gas detectors (Wheatstone bridge type) 120 Ohm load resistance 2 or 3 core shielded cable depending on detector |
| Maximum current output per line | 0.42A (@ 50°C) to 1A (@ 30°C) with internal AC power or 1.5A with external DC power |
| Maximum current output for the 2 lines | 0.42A (@ 50°C) to 1A (@ 30°C) with internal AC power or 2x1.5A with external DC power |
| Alarms | |
| Per channel | 5 Alarm levels (A1, A2, A3, Overscale, Underscale) + 1 Fault Catalytic bead over range protection Programmable thresholds on instantenous or averaged values, rising or falling alarms, manual or automatic acknowledgement |
| Output | |
| On-board relays | 4 fully programmable alarm relays + 1 fault relay (non-configurable) Dry contact relay, DPCO relays, contact rating 5A / 250 Vac - 30Vdc |
| External relays | Up to 16 fully programmable alarm relays Dry contact relay, DPCO relays, contact rating 5A / 250 Vac - 30Vdc |
| Digital outputs | RS-485 Modbus RTU |
| Analog outputs | Up to 8 outputs (4-20mA) |
| Approvals | |
| EMC | According to EN 50270:15 |
| Low voltage directive | According to EN 61010-1:10 |
| ATEX | Metrological performances according to EN 60079-29-1:2016 and EN 50271:10 |
| CSA | CAN/CSA-C22.2 No. 0-10; CAN/CSA-C22.2 No. 61010-1-12; UL Std. No. 61010-1 (3rd Edition) |
| Functional safety (reliability data) |
SIL1 capability according to EN 50271:2010 du =1,60 to 1,80.10-6, PFDavg=7,10 to 8,02.10-3, Ti=1 year, MTBF=25 to 28 years, SFF 60% |
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