Register output specifications & wiring Page 16/20
OG_IOG_BA_02_1401
10.4 Pulse transmitter (model ILR 740)
Orientation: The register must be mounted as shown above (mounted in-line with
the flow) with the flow going left to right or right to left as shown on this page. The
transmitter will not function if mounted perpendicular to the flow.
Transmitter wiring
Reed switch outputs: Green and white.
Ratings: Max power: 10W (not to exceed!); max. voltage: 200 VDC/peak AC; max.
current: 0.5A DC/peak AC.
Outputs: Raw reed switch output with no signal conditioning.
Pulse per unit of measure
Note: Actual pulses per unit of measure are listed on the certificate provided with the
meter.
Meter Pulse
per gallon
Pulse
per liter
½” 378.5 100
¾” 249.8 66
1” 249.8 66
1” HF 162.8 43
1 ½” 64.4 17
2” 34.1 9
3” 11.4 3
ILR 740
Green
White
Figure 17: ILR 730 wiring
Figure 16: Pulse transmitter
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