Ametek Drexelbrook Impulse GW Series, Инструкция по установке и эксплуатации

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Impulse™ Series
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6.3 Troubleshooting the Loop Connections.
Specific transmitter loop connections vary with each installation, but
in general are connected in a similar manner to the typical transmitter
loop in Figure 4-1.
When troubleshooting the loop connection, verify the following items.
· Loop devices are wired in series.
· There is at least 250 ohms total loop resistance.
· There is at least 19 Vdc available for the transmitter when a loop current
of 4 mA is flowing.
· Refer to Figure 4-1
Notes:
1. Modem will operate from 32º F to
122º F (0º C to 50º C). It can be
stored from -40º F to +185º F (-40º C
to +85º C). 0% to 95% relative
humidity - non condensing.
2. Servic Department 1-800-527-6297
or 1-215-674-1234
USB
Figure 6.3-1
Typical Transmitter Loop
For X.P. Modbus Installations, negative (-) loop must not 5 Volts
above ground. Permanent Damage to Unit May Result