Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 21
Explosive dust atmosphere likely to occur in normal operation
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
# General
Type: Radio modem in flameproof enclosure
Band: 169.400–169.475 MHz (VHF) · 868–869.65 MHz (UHF)
RF power: 25 / 150 / 500 mW
Channel spacing: 12.5 · 25 · 50 kHz
Radio data rate: 4,800 – 19,200 bps
Interfaces: Modbus RTU RS485 with I/O (510/540) · RS232/RS485 (512/542) · RS485 + Ethernet (51E/54E)
Antenna barrier: 1 N female barrier (RXN, RX1 or SXN)
# Certifications
ATEX/IECEx: II 2(1)G Ex db mb [ia Ga] IIC T6…T5 Gb · II 2(1)D Ex mb tb [ia Da] IIIC T80…T100 °C Db · I M2(M1) Ex db mb [ia Ma] I Mb (SWS only)
# Electrical
Power supply: 9–32 Vdc
Consumption: ≈ 30 mA receiving · ≈ 200 mA transmitting
# Mechanical
Enclosure: Powder-coated aluminium (SWA) · Electropolished AISI 316 CF8M stainless steel (SWS)
Cable entries: 4 × 3/4" NPT-F · 4 × M25x1.5
Ingress protection: IP66/68
Mounting: KM-01 pole kit · KM-02 wall kit
Weight: 2.3 kg (SWA) · 5.0 kg (SWS) without antenna
# Environmental
Ambient temperature: -30 °C to +63 °C SWA · -30 °C to +57 °C SWS
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