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8 Model IFT9701 Transmitter Instruction Manual
Getting Started continued
Figure 2-2 Compartment tags and lockout device
2.3 Jumper settings
Unless otherwise specified on the order, jumpers are set so the transmitter generates downscale fault
outputs and enables flowmeter configuration. If jumper settings need to be changed, the procedure
should be performed before the transmitter is installed.
• To access security and fault output jumpers, unscrew the circuit board compartment cover.
• If the transmitter is approved by ATEX as flameproof, the compartment has a lockout device.
See Figure 2-2. The lockout device must be loosened and rotated before the compartment
cover can be unscrewed.
CAUTION
Improper handling of transmitter components can
damage the transmitter.
• If a breaker bar is used for loosening the cover of the
circuit board compartment:
- Apply steady pressure to avoid chipping the paint on
the transmitter housing. Chipped paint can result in
corrosion of the housing. If paint becomes chipped,
repaint the housing.
- Do not apply too much pressure. Excessive torque
can damage the pipeline, transmitter, or sensor.
• To prevent electrostatic discharge, wear an anti-static
wrist strap while setting jumpers.
Field wiring
compartment
Rated EEx e
Lockout device
Loosen and rotate
before opening
circuit board
compartment
Label 1
Circuit board
compartment
Rated EEx d
Sensor wiring
compartment
Rated EEx i
Label 2