Evikon PluraSens E2218 Manuale utente

PluraSens®

Humidity & Temperature Transmitter

E2218

User Manual

E2218 Rev 14.05.2021
Table of contents
Speciﬁcations 3
Product description 5
Safety requirements 5
Operating conditions 5
Installation and connections 6
Sensor probe handling 9
Delivery set 9
Order code for E2218 options 10
Emergency mode 11
Return to default settings 11
Modbus RTU Communication 12
Communication parameters 13
Modbus holding registers 13
Warranty 17
Manufacturer contacts 17
2

E2218 Rev 14.05.2021

Speciﬁcations

Sensors

Digital combined RH and T sensor

Measurement range

0...100 % RH

40...+85 °C or -40...+125 °C (with HT-RP16-H probe)

Resolution

0,1 %RH

0,1 °C

Accuracy

±2,5 % RH / ±0,3 °C

±1,8 % RH / ±0,3 °C on request

Self-diagnostics

Full functionality check at start-up

Warm-up time

≤ 1 s

Response time

~15 seconds

Power supply (Us)

11...30 VDC (nominal 24 VDC) or 24 VAC ±10%

Power consumption

< 1,5 VA

Analog outputs

2 × 4-20 mA / 0-10 V, user settable,

Freely conﬁgurable scales

Load resistance

RL< (Us - 2 V) / 22 mA for 4-20 mA

RL> 250 kOhm for 0-10 V mode

Digital interface

RS485, Modbus RTU protocol

no galvanic isolation

Cable connections

Screwless spring loaded terminals

Probe connector

Round industrial M12, IP68

Standard probe

HT-RP16: grey painted aluminium body Ø16 × L90 mm,

IP54 protection, 0...100% RH, -40...+85°C

Probe extension cables

RPEC-2: PVC-insulated, M12 plug and socket, 2.5 m

RPEC-5: PVC-insulated, M12 plug and socket, 5.0 m

Enclosure

Grey ABS, wall mount, protection class IP65

Dimensions

H82 × W80 × D55 mm

Weight

<450 g

Operating environment

Residential and oﬃce indoor spaces

Operating conditions

-40...+85 °C, 0...100 %RH without aggressive gases (for main unit)

CE marking

According to 2014/30/EU:

EN 61000-6-3:2020, EN 61326-1:2013(EMC, emissions)

EN 61000-6-1:2019, EN 61000-6-2:2019(EMC, Immunity)

E2218 Rev 14.05.2021

Probe options

Standard probe

HT-RP16: grey painted aluminium body Ø16 × L90 mm,

IP54 protection, 0...100% RH, -40...+85°C

Micro probe

HT-RP04:

stainless steel body Ø4 ×50 mm, IP54 protection, 0...100% RH, -40...+85 °C

attached PVC-insulated cable 2 or 5 m

Heavy duty probe

HT-RP16-H:

black painted aluminium body Ø16 × L90 mm,

IP54 protection, 0...100% RH, -40...+125°C

attached PTFE-insulated cable 2 or 5 m

E2218 Rev 14.05.2021

Product description

Humidity and temperature transmitter E2218 is a member of the new PluraSens® family of

multifunctional measurement instruments. The transmitter is intended for measurement of

relative humidity and temperature in air and non-aggressive gases with high accuracy and

stability. Absolute humidity and dew point values can be found as well.

The instrument utilises digital fully calibrated and temperature compensated combined

relative humidity and temperature sensors with excellent repeatability and stability. Thanks

to the digital interface the sensor probes are detachable and fully interchangeable. The

range of probes for different applications may be attached to the main unit using standard

water- and dustproof M12 connectors.

Two freely conﬁgurable 4-20 mA or 0-10 V analog outputs can be used to connect the

transmitter to secondary instruments. Each output can be independently assigned either to

temperature, relative humidity or dew point channel. RS485 interface with

industry-standard Modbus RTU protocol allows direct Fieldbus networking of the

transmitter.

Safety requirements

Always adhere to the safety provisions applicable in the country of use.

Do not perform any maintenance operation with the power on. Do not let water or foreign

objects inside the device.

Operating conditions

The device should be used in explosion-safe (non ATEX -rated) indoor areas, without

aggressive gases in the atmosphere. Allowed conditions are:

– Temperature in the range of -40...+85 °C;

– Relative humidity in the range of 0...100%;

– Atmospheric pressure in the range of 84...106,7 kPa.

E2218 Rev 14.05.2021

Installation and connections

Connect the sensor probe to the device main unit directly or via connecting cable.

Mark and drill four mounting holes on the wall at the chosen mounting place (see

dimensional drawing).

Unscrew four lid screws and detach the lid from the instrument. Fix the transmitter through

mounting holes by screws.

Plug the power cable and connect the analog outputs and/or digital interface terminals to

the relevant devices according to the connection diagram and table.

E2218 Rev 14.05.2021

PCB without PSU and relays

Jumpers

OUT1 type (open: 4-20 mA; closed 0-10 V)

OUT2 type (open: 4-20 mA; closed 0-10 V)

Reset Modbus network parameters to default

X4 terminals

OUT1

4-20 mA / 0-10 V output

OUT2

4-20 mA / 0-10 V output

0 V / 24 VAC Neutral (optional)

RS485 A / Data +

RS485 B / Data -

+24 VDC / 24 VAC Phase (optional)

E2218 Rev 14.05.2021

Make certain that the cable gland is properly tightened to ensure the conformity to IP65

protection class.

The screwless quick connect spring terminals on the E2218 are suitable for a wide range

of wires with cross-section 0,2...1,5 mm2. The recommended wire stripping length is 8...9

mm. Push the spring loaded terminal lever, insert the wire end into the terminal hole and

release the lever.

Use twisted pair cable, e.g. LiYY TP 2×2×0,5 mm2 or CAT 5, to connect the device to the

RS485 network. Use one pair for A and B wires and the second pair for common 0V and

power +U wires. to connect the transmitter to the Fieldbus network.polarity must be

respected when connecting to an external RS485 network.

Overall length of all connections via RS485 interface should not exceed 1200 m.

Place the lid back and tighten it with the four screws.

Both analog outputs can be independently changed between 4-20 mA and 0-10 V type

using jumpers J1 (OUT1) and J2 (OUT2). By closing pins on a speciﬁc jumper the related

output is 0-10 V, with an open jumper the output is 4-20 mA. Power restart is required after

changing the position of the jumpers.

By default the output OUT1 is assigned to relative humidity with default scale 0-100 %RH.

By default the output OUT2 is assigned to temperature with default scale 0-100 °C.

The output assignments and scales can be changed by Modbus commands.

E2218 Rev 14.05.2021

Sensor probe handling

The sensor probes HT-RP16 and HT-RP16H are equipped with a hydrophobic microporous

PTFE ﬁlter to protect the sensor from dust, dirt and water drops. The round ﬁlter is

snap-ﬁtted and may be replaced if it gets strongly contaminated.

To replace the PTFE ﬁlter, carefully hook the ﬁlter near it’s edge with a small ﬂat

screwdriver and pull it off. Place a new ﬁlter onto the sensor opening and press it to snap

into the groove.

Note! Never stab or press the ﬁlter near its center where the sensor is located, as this may

damage the sensor. Do not remove the ﬁlter as it may cause the device to show incorrect

values and/or break the sensor.

The recommended orientation of the sensor probe is vertical with the sensor tip pointing

downwards. This prevents possible accumulation of condensed water on the sensor

protection ﬁlter. The horizontal orientation is also suitable. Avoid upward position of the

sensor tip.

After replacing the sensor probe check if the M12 connector is securely tightened to

ensure appropriate electrical contact and protection.

E2218 Rev 14.05.2021

Delivery set

●Humidity and temperature transmitter E2218

●Set of mounting accessories (4 screws with plastic dowels)

Order code for E2218 options

E2218 options

Order code

With attached probe, -40...+85 °C

E2218-RP16

Duct mount, with stem Ø15×L200 mm, -40...+85 °C

E2218-DM

With remote probe, PVC cable 2,5 m, -40...+85 °C

E2218-RP16-2

With remote probe, PVC cable 5,0 m, -40...+85 °C

E2218-RP16-5

With micro remote probe Ø4×50 mm, 2,5 m PVC cable,

-40...+85 °C

E2218-RP04-2

With micro remote probe Ø4×50 mm, 5,0 m PVC cable,

-40...+85 °C

E2218-RP04-5

With remote probe, ﬂuoroplast cable 2,5 m, -40...+125 °C

E2218-RP16H-2

With remote probe, ﬂuoroplast cable 5,0 m, -40...+125 °C

E2218-RP16H-5

High accuracy ±1,8 %RH

E2218-A

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