Dwyer MPCJR - Manual (Page 3)

SPECIFICATIONS
Inputs: 0 (or 4) to 20 mA DC or 0 (or 2.0) to 10.0 VDC selectable.
Input Impedance: Current input: 10 ohms, Voltage input: 5K ohms.
Output Ratings:
Control Relays: SPDT, rated 10A @ 240 VAC res., 1/4 hp @120 VAC,
1/3 hp @ 240 VAC;
Alarm Relays: SPST, 3A @ 240 VAC res., 1/10 hp @ 120 VAC;
Other: 15 VDC @ 20 mA for output one and output two.
Control Type: On/off, reverse or direct acting.
Power Requirements: 100 to 240 VAC nominal, +10%-15%, 50 to 400 Hz,
single phase; 132 to 240 VDC nominal, +10%-15%.
Power Consumption: 7.5 VA maximum.
Accuracy: ±0.25% of span, ±1 least significant digit.
Display: Two 4-digit, 7 segment 0.56˝ high LED’s.
Display Resolution: 1 count.
Memory Backup: Nonvolatile memory (no batteries required).
Serial Communications: Optional RS-232 or RS-485 with Modbus
® protocol.
Ambient Operating Temperature / RH: 14 to 131°F (-10 to 55°C) / 0 to 90% up
to 104°F (40°C) non-condensing, 10 to 50% at 131°F (55°C) non-condensing.
Weight: 16 oz (454 g).
Front Panel Rating: Meets UL Type 4X (IP66).
Loop Power Supply (isolated): 24 VDC @ 50 mA, regulated.
Alarm On-Off Differential: 1 count.
Set Point Range: Selectable.
Power Voltage Stability: 0.05% over the power voltage range.
Temperature Stability: 100 ppm / °C typical, 200 ppm / °C maximum.
Common Mode Rejection: 140 db minimum at 60 Hz.
Normal Mode Rejection: 65 db typical, 60 db at 60 Hz.
Isolation:
Relay: 1500 VAC to all other inputs and outputs;
24 VDC Loop Power: 500 VAC to other inputs and outputs;
Process Output: 500 VAC to other inputs and outputs.
Storage Temperature: -40 to 176°F (-40 to 80°C).
Agency Approvals: UL 508, CE.
Modbus ® is a registered trademark of Schnieder Automation.
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