PD4-6624 & PD4-6628 Loop-Powered Flow Rate/Totalizers
Instruction Manual
26
Safe Area 4-20 mA Output
Connections
Connections for the 4-20 mA transmitter output are
made to the connector terminals labeled mA OUT.
The 4-20 mA output must be powered from an
external power supply.
Figure 13. 4-20 mA Output Connections
Safe Area Solid-State Relay
Connections
Relay connections are made to a four-terminal
connector labeled SSR OUTPUTS on
. Each relay’s C
terminal is common only to the normally open (NO)
contact of the corresponding relay.
Figure 14. Solid-State Relay Connections
Safe Area Open Collector Output
Connections
Open collector output 1 and 2 connections are made to
terminals labeled O1+ and O1-, and O2+ and O2-.
Connect the alarm or pulse input device as shown below.
Figure 15. Open Collector Output Connections
Remote Operation of Meter
The meter can be operated remotely by connecting a
control station to the Remote Contacts
located behind the lower panel door of the meter as
illustrated in
Figure 16. PDA2364-MRUE Control
Station Connected to Remote Contacts on PD4
Note:
The control station does not carry hazardous area
approvals and thus is not suitable for location in hazardous
areas. The use of additional protective devices may allow it
to be installed in a safe area and connected to a device in a
hazardous area. User should consult a professional engineer
to determine suitability of this product for their specific
application.
Figure 16. PDA2364-MRUE Control Station Connected to
Remote Contacts on PD4
I+
I-
Power
Supply
Device with
4-20 mA Input
C
NO
C
NO
Internal
Load
Load
POWER
RLY 2
RLY 1
O1+
O1-
O2+
O2-
Alarm Indicator/
Pulse Counter
5-30 VDC
150 mA MAX
External DC
Relay
Power Supply
Internal
