RS485 communication interface
Databits: 8
Parity: none
Stop bits: 1 or 2
Protocol: Modbus RTU
Supported Modbus functions:
03 - read multiple registers
06 - write single register
Modbus registers (0-based, decimal format)
Reg Description
Supported values
1 Hardware version
read only
2 Software version
read only
3 Product serial number
read only
4 Slave ID (network address)*
1...247, default 1
5 Baud rate*
1200...57600 baud, default 9600
6 Response delay, ms
1...255 ms, default 10
7 Stop bits*
1 / 2, default 1
17 Restart
write ‘42330’ for soft restart
162 Temperature shift adjustment -32000...+32000 T units (0,01 °C)
165 Gas channel shift adjustment -32000...+32000 gas units, default 0
166 Gas channel slope adjustment 1...65535, default 512
167 Output change rate limit
1...32000 gas units/s, 0=no limit
168 Integrating filter time constant 1...32000 s, 0=no, integrating filter
201 Parameter assigned to OUT1 0=none, 1=T, 2=gas, 9=forced by 203
202 Parameter assigned to OUT2 0=none, 1=T, 2=gas, 9=forced by 204
203 Forced value for OUT1
0...1000 (0.0...100.0% of full scale)
204 Forced value for OUT2
0...1000 (0.0...100.0% of full scale)
211 Parameter assigned to RE1
0=none, 1=T, 2=gas, 9=forced by 213
212 Parameter assigned to RE2
0=none, 1=T, 2=gas, 9=forced by 214
213 Forced state for RE1
0=off, 1=on (relay control by Modbus)
214 Forced state for RE2
0=off, 1=on (relay control by Modbus)
215 Switch delay for RE1
0...1000 s, default 0
216 Switch delay for RE2
0...1000 s, default 0
217 Min on/off time for RE1
0...1000 s, default 0
218 Min on/off time for RE2
0...1000 s, default 0
219 Control logic for relay RE1
0:_, 1:_↓↑
・
P, 2:
・
P↑↓_, 3:_↑
・
P↓_, 4:
・
P↓_↑
・
P
220 Control logic for relay RE2
0:_, 1:_↓↑
・
P, 2:
・
P↑↓_, 3:_↑
・
P↓_, 4:
・
P↓_↑
・
P
221 LOW setpoint for relay RE1
-32000...+32000, gas or T units
222 HIGH setpoint for relay RE1
-32000...+32000, gas or T units
223 LOW setpoint for relay RE2
-32000...+32000, gas or T units
224 HIGH setpoint for relay RE2
-32000...+32000, gas or T units
258 Measured temperature
-4000...+12500 T units (0,01 °C)
259 Gas concentration
0...65535 gas units
261 0% value of OUT1
-32000...+32000 gas units / integer °C
262 100% value of OUT1
-32000...+32000 gas units / integer °C
263 0% value of OUT2
-32000...+32000 gas units / integer °C
264 100% value of OUT2
-32000...+32000 gas units / integer °C
* - the new value is applied after restart
Broadcast ID=0 may be used to assign a new ID to device with unknown ID
E2611-HFC_UM_EN
Rev 19.11.2020
Specifications
Detected gases
R-12, R-123, R-125, R-134a, R-143, R-22,
R-404a, R-407c, R-410a etc
Default calibration
R404a
Sensor type
Metal oxide semiconductor
Sampling method
Diffusion
Detection range
0...1000 ppm
Resolution
1 ppm
Response time
~ 15 seconds
Sensor lifetime
> 5 years
Calibration interval
12 months
Warm-up time
up to 1 minute, depending on unpowered period and
atmosphere
Load resistance
for 4-20 mA output mode: R
L
< (Us - 2V) / 22 mA
for 0-10 V output mode: R
L
> 250 kOhm
Digital interface
RS485, Modbus RTU protocol
Power supply
11...30 VDC, 24 VAC
or 90...265 VAC (with mains power unit)
Power consumption
< 2 VA
Analog outputs
2 × 4-20 mA or 0-10 V
Relay outputs
2 × SPST, max 5 A, 30 VDC / 250 VAC
Alarm signal
Buzzer 85 dB
Enclosure
ABS plastic with ventilation slots, wall-mount,
protection class IP20
Dimensions
85 × 85 × 37 mm
Electromagnetic
compatibility
according to 2014/30/EU, 2014/35/EU and EN61321-
1 standard requirements
Operating conditions
-30...+70 °C
<95 %RH, without condensation, non-ATEX
Normal ambient oxygen level
Avoid strong mechanical shock, vibrations or EMI
Avoid exposure to corrosive gases or silicone
containing products
Factory settings
Target gas
R404a
Gas units
ppm
OUT1 assignment and scale
2: gas, 0 - 1000
OUT2 assignment and scale
2: gas, 0 - 1000
RE1 assignment and logic
2: gas, 1: on at high values
RE1 HIGH set point (set)
100
RE1 LOW set point (release)
80
RE2 assignment and logic
2: gas, 1: on at high values
RE2 HIGH set point (set)
500
RE2 LOW set point (release)
400
Evikon MCI OÜ Teaduspargi 7, Tartu, [email protected], Tel +372 733 6310
50411 Estonia,
Refrigerants detector-transmitter
E2611-HFC
User manual
PluraSens
®
