Phoenix PSM-ME-RS485/RS485-P-repeater 2744429, repeater, used to RS-485 the electrical isolation and range expansion of 2-wire bus system, 3-end isolation, rail installation
Product Type
Interface Interface Converter
Application
RS-485
MTTF
1808 number (SN 29500 standard, temperature 25°C, duty cycle 21%)
796 years (SN 29500 standard, temperature 40°C, duty cycle 34.25%)
334 years (SN 29500 standard, temperature 40°C, duty cycle 100%)
insulation characteristics
pollution level
2
Electrical characteristics
electrical isolation
VCC // RS-485 (A) // RS-485 (B)
rated conditions
2.16W
test voltage data interface/power supply
1.5 kVrms (50 Hz,1 min)
Power
Supply Voltage Range
18V AC/DC ... 30V AC/DC (via plug-in COMBICON screw terminal block)
Rated supply voltage
24V AC/DC
Typical current consumption
90 mA (24V DC)
Maximum current consumption
100 mA
Connection Data
Power
single wire/wiring point, rigid
0.2 mm² ... 2.5 mm²
single wire/wiring point, flexible
0.2 mm² ... 2.5 mm²
WIRE CROSS SECTION, FLEXIBLE [AWG]
24 ... 12
Tightening torque
0.56 Nm ... 0.79 Nm
Interface
bit distortion
< 1.5%
-bit distortion, input
maximum ± 35%
-bit distortion output
< 3.6%
bit delay
< 200 ns
signal
Modbus
transmission channel
2 (1/1),TD,RD, half duplex
data: RS-485 interface, according to EIA/TIA-485, DIN 66259-4/RS-485 2-wire
serial transmission rate
1.2 / 2.4 / 4.8 / 9.6 / 19.2 / 38.4 / 57.6 / 75 / 93.75 / 115.2 / 136 / 187.5 / 375 / 500 / 1500 kbps
Connection Mode
pluggable screw connection
Transmission Length
≤ 1200 m (depending on transmission rate, bus system and cable type)
Cascading Capability
9(4.8 ... 93.75Kbit/s)
8 (115.2 kbps)
7 (136 kbps)
6 (187.5 kbps)
5 (375 ... 1500 kbps)
terminal resistance
390 Ω
180 Ω
390 Ω (connectable)
single wire/wiring point, flexible
0.2 mm² ... 2.5 mm²
AWG stranded wire, flexible
12
AWG Wire Minimum Cross Section, Flexible
24
transmission medium
2 core twisted pair, shielded
File Format/Encoding
UART(11/10bit switchable; NRZ non-zero code)
data direction switching
automatic control, minimum station response time 1bits
Supported Protocols
Transparency Agreement
data: RS-485 interface, according to EIA/TIA-485, DIN 66259-4/RS-485 2-wire
serial transmission rate
1.2 / 2.4 / 4.8 / 9.6 / 19.2 / 38.4 / 57.6 / 75 / 93.75 / 115.2 / 136 / 187.5 / 375 / 500 / 1500 kbps
Transmission Length
≤ 1200 m (depending on transmission rate, bus system and cable type)
Cascading Capability
9(4.8 ... 93.75Kbit/s)
8 (115.2 kbps)
7 (136 kbps)
6 (187.5 kbps)
5 (375 ... 1500 kbps)
single wire/wiring point, flexible
0.2 mm² ... 2.5 mm²
