3 | Baker Hughes
Copyright 2021 Baker Hughes Company. All rights reserved.
3. ATEX MARKINGS
ITS-I21ATEX29368X
Notified Body CE XXXX
(See Product Label for NB Number)
Intrinsic Safety: II 1GD:
• Ex ia h IIC T6 Ga
(Tamb.= -40°C to +55°C, Pi= 0.33 W)
• Ex ia h IIC T4 Ga
(Tamb.= -40°C to +80°C, Pi= 1.1 W)
• Ex ia h IIIC Da T90°C (Tamb.= -40°C to +80°C, Pi= 1.1 W)
Flame Proof: II 2GD:
• Ex db h IIC T6 Gb (Tamb.= -40°C to +55°C)
• Ex db h IIC T5 Gb (Tamb.= -40°C to +70°C)
• Ex db h IIC T4 Gb (Tamb.= -40°C to +85°C)
• Ex tb IIIC T90°C Db (Tamb.= -40°C to +55°C)
IP 66 / Type 4X
WARNING:
• Do not open when energized.
• Do not open when an explosive gas atmosphere is
present.
• Potential electrostatic charging hazard.
See instructions for safe use.
• Use cables rated to ≥ 5°C above ambient.
4. ELECTRICAL CONNECTIONS and
CONDUIT ENTRY
•
Comply with current national and local
regulations for electrical installation work.
•
Comply with national and local explosive
atmosphere regulations.
•
Before carrying out any work on the device,
power off the instrument or make sure that the
local conditions in the potentially explosive
atmosphere permit the safe opening of the
cover.
•
Before switching on or after doing any work on
the device, always tighten the cover (C) with
a seal (J) in good condition and put back the
safety screw (V).
The Positioner must be installed and put into service in
conformance with
EN/IEC 60079-14, EN/IEC 61241-14
and / or national and local regulations applicable for
explosive atmospheres.
4.1. Current signal
The Positioner is self-powered 4-20mA current receiver.
Connect the wires to the instrument’s terminals, taking
care of complying with pola and -, the terminals
will accept wire sizes up to AWG 14.
Make the earth connections with the internal and external
ground terminals.
• Input signal: 4-20 mA,
• Input impedance: 170 ohms.
