7ML19985JU01 SITRANS RD100 – INSTRUCTION MANUAL Page 7
Calibrator connected to display PCB
WARNINGS:
• To maintain hazardous area protection, the input signal must
always be connected to the input signal PCB, and not directly to
the display PCB.
• Electrostatic hazard. Clean only with a moist cloth. Protect
enclosure from exposure to chemical solvents and excessive
ultraviolet (UV) light (such as sunlight).
display PCB
component side
calibrated
current source
S-
S+
DP2
DP3
DP1
The display PCB may be removed from the enclosure for bench calibration.
Loop jumper must be installed on input signal PCB to maintain loop. Refer to
Servicing display PCB outside the loop
on page9.