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The Red Lion PMM000CM23200000 is an RS-232 serial communications module. It is used specifically with the PM-50 series of Red Lion graphical panel meters. It features LED indicators to show status and is removable if necessary. PM-50 series panel meters accept additional optional modules for serial communications, Ethernet, analog output, AC to DC power, and setpoint output. The 4.3 inch version accepts up to 5 modules while the 3.5 inch version accepts up to 3. Only one module of each type (communications, power, output) can be added.
Specifications
Power
- Power comes from the panel meter - Must use a Class 2 circuit according to National Electrical Code (NEC), NFPA-70 or Canadian Electrical Code (CEC), Part I, C22.1 or a Limited Power Supply (LPS) according to IEC/EN 60950-1 or Limited-energy circuit according to IEC/EN 61010-1.
- Max Power: 0.55 Watts
Communications
- Isolation: 1000 Vrms for 1 minute
- Baud Rate: 300 to 115200
- Data Format: 7/8 bits, odd, even, or no parity
Environmental
- Operating Temperature: 14 F to 131 F
- Storage Temperature: -40 F to 185 F
- Vibration to IEC 68-2-6: Operational 5-500 Hz, 2 g
- Shock to IEC 68-2-7: Operational 20 g
- Humidity: 85% max Relative Humidity non-condensing
- Altitude: Up to 2000 meters
- Installation Category II, Pollution Degree 2 as defined in IEC/EN 60664-1
- Housing: Plastic
Connections
- High compression cage-clamp terminal blocks
- Wire Strip Length: 0.32-0.35" (8-9 mm)
- Wire Gauge Capacity: Four 28 AWG (0.32 mm) solid, two 20 AWG (0.61 mm) or one 16 AWG (2.55 mm)
- Torque: 2 inch-lbs
Approvals
- CE Approval
- EN 61326-1 Immunity to Industrial Locations
- Emission CISPR 11 Class A
- IEC/EN 61010-1
- RoHS Compliant
- UL Hazardous: File # E317425
- IP 20 Enclosure
Red Lion RS2-232 Serial Comms Module User Manual
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