Emerson Process Management 53eA Specifications General, Hazardous Location Approvals, Power

MODEL 54eA

1.2 SPECIFICATIONS - GENERAL

Enclosure: Epoxy-painted (light gray) cast aluminum, NEMA4X (IP65). 144 x 144 x 132 mm

(5.7 x 5.7 x 5.2 in.), DIN size.

Front Panel: Membrane keypad with tactile feedback. Three green LEDs indicate alarm status. Red LED indicates fault condition.

Display: Three-line, back-lit, dot matrix LCD, 70 x 35 mm. First line is oxygen, chlorine, or ozone reading. Second line is temperature and current output. Third line is user-selectable. pH reading appears on third line. Character heights: 1st line - 16 mm (0.6 in.), 2nd and 3rd lines - 7 mm (0.3 in.).

Hazardous Location Approvals:

Class I, Division 2, Groups A, B, C, & D.

T5 Ta=50°C. Dust ignition proof: Class II, Division 1, Groups E, F, & G; Class III.

FM: Max. relay contact rating: 28 Vdc resistive

150 mA - Groups A & B;

400 mA - Group C;

540 mA - Group D

CSA:

Max. relay contact rating:

28 Vdc; 110 Vac; 230 Vac;

6 amps resistive. Enclosure Type 4.

Power:

Code -01: 115 VAC ± 10%, 50/60 Hz ± 6%, 8 W 230 VAC ± 10%, 50/60 Hz ± 6%, 8 W

Code -02: 20 - 30 VDC, 6 W

RFI/EMI: EN-61326

LVD (Code -01 only): EN-61010-1

Repeatability (input): ± 1 nA

Stability (input): ± 1 nA/month at 25°C

SECTION 1.0

SPECIFICATIONS

Outputs: Two 4-20 mA or 0-20 mA isolated outputs. Continuously adjustable. Outputs can be assigned to oxygen, chlorine, ozone, pH, or temperature. Output dampening is user-selectable. Maximum load at 24 Vdc or 115/230 Vac is 500 ohms. Maximum load at 100/200 Vac is 500 ohms. Output 1 has superimposed HART signal (option -09 only). Outputs can be programmed for PID control (option -20 only).

Output Accuracy: ± 0.05 mA

Alarms:

Relay 1 - Process, Interval, or Time Proportional Control (TPC requires code -20)

Relay 2 - Process, Interval, or Time Proportional Control (TPC requires code -20)

Relay 3 - Process, Interval, or Time Proportional Control (TPC requires code -20)

Relay 4 - Sensor/analyzer and process fault alarm

Each relay has a dedicated LED on the front panel.

Relay Contacts: Relays 1-3: Epoxy sealed form A contacts, SPST, normally open

Relay 4: Epoxy sealed form C, SPDT

	Resistive	Inductive
28 Vdc	5.0 Amps	3.0 Amps
115 Vac	5.0 Amps	3.0 Amps
230 Vac	5.0 Amps	1.5 Amps

Temperature Sensors Accepted: Pt 100 RTD, Pt 1000 RTD, 22K NTC thermistor.

Ambient Temperature: 0 to 50°C (32 to 122°F). Analyzer can be operated between -20 and 60°C (-4 to 140°F) with some degradation in display quality.

Relative Humidity: 95% (maximum) non-condensing

Weight/Shipping Weight: 5 lb/6 lb (2 kg/2.5 kg)

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