APG RPM Explosion Proof Resistive Chain user manual - Manual (Page 11)

Rev. D6, 10/09 RPM Series
11
Automation Products Group, Inc.
APG...Providing tailored solutions for measurement applications
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• Analog Calibration Procedure (for models equipped with 4-
20 mA conversion board)
Analog Board is Encapsulated
R4 R9
ST I 20
01
R3
R5
J1
R7
R1
R8
D1
R2
C1
C2
D2
C3
Q1
U2
R6
U3
+24vdc
4 to 20ma Out
SP AN
OF
FS ET
RE
D
BL K
WH
OU T
24V
Offset (20 mA)
Adjustment
Zero (4 mA)
Adjustment