Omega Vehicle Security OMP-MODL manual Range Excitation Current

									3... INTERFACE MODULES
				A						C
Excitation leads	1	2	3	4	5	6	7	8	9	10 11 12
RTD Element
	+
	+
	-
	-							Jumper
	Sense leads
Cable Shield							Connect Shield to an Earth Ground
										ML127
Figure 3... -30:	4-Wire Configuration

For long lead wire runs and in applications in electrically noisy environments, it is recommended that twisted pair and/or shielded wire be used. If shielded wire is used, the shield at the OMP-MODL end should be connected to an external earth ground (Figure 3... -

30)or if available, a grounded Shield connection provided on another type installed interface module (such as the MLIM-1).

Range	Excitation	Range	Excitation
	Current		Current
Res 200 ohm	1 mA	Res 200,000 ohm	10 uA
Res 200 ohm	10 mA	Res 400,000 ohm	10 uA
Res 400 ohm	1 mA	RTD-100 ohm 300C	1 mA
Res 400 ohm	10 mA	RTD-100 ohm 850C	1 mA
Res 2000ohm	100 uA	RTD-1000 ohm 300C	100 uA
Res 4000 ohm	100 uA	RTD-1000 ohm 850C	100 uA
Res 10,000 ohm	100 uA	Therm -32 to 250C	10 uA
Res 20,000 ohm	100 uA	Therm -4 to 250C	10 uA
Res 40,000 ohm	10 uA	Therm +10 to 250C	10 uA
Res 100,000 ohm	10 uA	Therm +25 to 250C	100 uA

Excitation Currents used for MLIM-4 Ranges

USING THE OMP-MODL 3-45