User Manual

1-22
Installation and Operation Manual
X-VA-MT3809G-MT3810G-eng
Part Number: 541B182AAG
September, 2013Models MT3809G & MT3810G
Section 1 Introduction
Figure 1-9A Power Supply vs. Maximum Load Resistance
Note: load resistance should also include I.S. barrier resistance. When using HART
communicator the minimum load resistance is 250 ohms.
Figure 1-9B Cam Setting for Alarm Signal
LoopVoltagevs.LoadResistance
600
650
700
750
800
850
900
950
1000
1050
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
LoopVoltage
LoadResistance
LoopResistance(maximumohms)=30Xvoltage+16