Mode of Operation

Measuring principle

Ultrasonic level measurement

Measuring range

0.3 ... 15 m (1 ... 50 ft), transducer dependent

Measuring points

1 or 2

Input

Analog

0 ... 20 mA or 4 ... 20 mA, from alternate device, scalable (6 relay model)

Discrete

10 ... 50 V DC switching level
Logical 0 ≤ 0.5 V DC
Logical 1 = 10 ... 50 V DC
Max. 3 mA

Output

EchoMax transducer

44 kHz

Ultrasonic transducer

Compatible transducers: ST-H and EchoMax series XPS-10, XPS 15/15F, and XRS-5

Relays¹⁾

Rating 5 A at 250 V AC, non-inductive

• Model with 1 relay²⁾

1 SPST Form A

• Model with 3 relays²⁾

2 SPST Form A/1 SPDT Form C

• Model with 6 relays

4 SPST Form A/2 SPDT Form C

mA output

0 ... 20 mA or 4 ... 20 mA

• Max. load

750 О©, isolated

• Resolution

0.1 % of range

Accuracy

Error in measurement

0.25 % of range or 6 mm (0.24 inch), whichever is greater

Resolution

0.1 % of measuring range or 2 mm (0.08 inch), whichever is greater³⁾

Temperature compensation

• -50 ... +150 °C (-58 ... +302 °F)
• Integral temperature sensor in transducer
• External TS-3 temperature sensor (optional)
• Programmable fixed temperature values

Rated operating conditions

Installation conditions

• Location

Indoor / outdoor

• Installation category

II

• Pollution degree

4

Ambient conditions

• Ambient temperature (enclosure)

-20 ... +50 °C (-4 ... +122 °F)

Design

Weight

• Wall mount

1.37 kg (3.02 lb)

• Panel mount

1.50 kg (3.31 lb)

Material (enclosure)

Polycarbonate

Degree of protection (enclosure)

• Wall mount

IP65/Type 4X/NEMA 4X

• Panel mount

IP54/Type 3/NEMA 3

Cable

• Transducer and mA output signal

2-core copper conductor, twisted, shielded, 300 Vrms, 0.82 mmІ
(18 AWG), Belden 8 760 or equivalent is acceptable

• Max. separation between transducer and transceiver

365 m (1 200 ft)

Displays and controls

100 x 40 mm (4 x 1.5 inch) multi-block LCD with backlighting

Programming

Programming using handheld programmer or via PC with SIMATIC PDM software

Power supply⁴⁾

AC version

100 ... 230 V AC ± 15 %, 50/60 Hz, 36 VA (17 W)

DC version

12 ... 30 V DC (20 W)

Certificates and approvals

• CE, RCM, EAC, KCC⁵⁾
• Lloyd's Register of Shipping
• ABS Type Approval
• FM, CSA_US/C, UL listed
• CSA_US/C Class I, Div. 2, Groups A, B, C, and D, Class II, Div. 2, Groups F and G, Class III, EAC Ex
  (wall mount only)
• MCERTS Class 3 approved for Open Channel Flow

Communication

• RS 232 with Modbus RTU or ASCII via RJ-11 connector
• RS 485 with Modbus RTU or ASCII via terminal blocks
• Optional: SmartLinx cards for

• PROFIBUS DP
• DeviceNet