APT3500 Smart Pressure Transmitter
Operation Manual M3500-EO1G
41 DUON System Co., Ltd.
4.7.4 Wiring
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Warning
Explosion can result in death or serious injury:
◈
Do not remove the transmitter covers in explosion environments when the circuit is alive.
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Before connection HHI in explosion zone, confirm that the configure device has to be installed by
intrinsic safety regulations.
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Both transmitter covers must be fully engaged to meet explosion proof requirements
A. Loop Configuration
AUTROL Series Transmitters use a two-wire system for power supply, 4~20mA analog signal
transmission and HART digital transmission.
DC Power Supply is required for the transmitter loop. The Transmitter and distributor are
connected as shown below.
(1) Non-Explosionproof / Flameproof Type
(2) Explosionproof Type