6
5. TECHNICAL DATA
Number of measurement
channels
16 (for work with radio sensors of the AR43x series, one wired probe AR182/AR183, and
any Apar devices through RS485)
Measurement update interval
for radio sensors of the AR43x series: programmable, from 1 min. to 4 hours (5 sec. with a
power supply)
1 sec. for measurements from the RS485 line, 5 sec. for a wired AR182/AR183 probe
Radio link
ISM band
868 MHz, FSK modulation, modulation band ±45 kHz
number of channels
7 (programmable in the range of 868.0 to 870.0 MHz)
channel operation
frequency
channel
0
1
2
3
4
5
6
MHz
869,955
869,77
869,445 869,605 868,05
868,3 868,55
transmission parameters
output power <5 dBm, receiver sensitivity -106 dBm, rate 4.8 kbit/s
range (in open space)
<200 m (maximum 400 m with sensors in retransmission mode), in
buildings it depends on the local conditions
antenna (SMA-JW connection,
band 850 ÷ 880 MHz)
height 97 mm,
vertical polarity
, impedance 50 Ω, gain 2.15 dBi,
VSWR ≤ 1.5
Wired temperature measurement probe
AR182/AR183
(as one of the measurement channel, optional):
- quantity
1, wire length 1.5 m
- measurement range and resolution
-30 to +80 °C, measured temperature resolution 0.1 °C
- measurement accuracy (in the range of -10 to +80 °C )
±0.5 °C (±0.5 to 1.7 °C in the remaining range)
Communication
interfaces
(standard
equipment)
-
USB
(a A4 type
connection, accessible
also from the front,
programmable
operation mode)
- slave mode
(device)
communication with a computer, drivers for the
Windows 2000/XP/Vista/7/8/10 system: exchangeable
disk (mass memory, readout speed approx. 335kB/s) +
virtual COM serial port (MODBUS-RTU protocol)
- master mode
(host)
support of USB memory (pendrive) up to 4 GB, writing
speed approx. 135kB/s (depending on the memory)
-
RS485
(galvanic separation,
MODBUS-RTU protocol, Master, Slave)
MASTER (readout of 16-bit registers from Apar devices),
SLAVE, rate 2.4÷115.2 kbit/s, character format 8N1
-
Ethernet
(type 100base-T, socket RJ45,
galvanic separation, TCP/IP protocols)
web server, MODBUS-TCP, email client (SMTP), DDNS
server client, DHCP (client, server), SMTP, NetBIOS, ICMP,
data transfer up to 135 kB/s (depending on the network)
Data recording interval
programmable 1 s to 8 hours
(1)
Data storage memory
(non-volatile, recording of approx. 27 million measurements from 16 channels and 4 GB memory):
- internal (micro SDHC card, industrial, MLC)
4 GB, FAT32 file system
- external USB memory (pendrive, A4 type socket)
FAT16, FAT32, maximum size 4 GB
Real time clock
(
RTC
, lithium battery CR1220)
quartz, date, time, takes leap years into account)
Outputs
(4 independent)
- relay (P1÷P4, standard)
5A / 250VAC (for resistance loads), SPST-NO
- SSR (transistor, type NPN OC, optional)
24V, internal resistance 850 Ω, (SSR1÷SSR4)
Display
(LCD TFT, graphic, 320x240 dots - QVGA)
3.5" (diagonal), background brightness adjustment
Power supply:
- 230 VAC (standard)
85 ÷ 260 VAC/ 7 VA
- 24 VAC/DC (option)
20 ÷ 50 VAC/ 7 VA, 22 ÷ 72 VDC/ 7 W
Rated operating conditions
0 ÷ 50 °C, <100% RH (no condensation)
Operating environment
air and neutral gases, no dust
Protection rating
IP30 from the front, IP20 from the side of the connections
Weight
approx. 330 g
Electromagnetic compatibility (EMC)
immunity: according to the PN-EN 61000-6-2 standard
emission: according to the PN-EN 61000-6-4 standard
Notes
: (1) -
for a recording interval equal to 1 s, uneven recording may take place during transfer of an archive via
Summary of Contents for AR407
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