Precision Digital PD6400 - Manual (Page 60)

Model PD6400 High Voltage & Current Meter Instruction Manual
60
Pump Alternation Control Applications (Altern)
Pump alternation control is not recommended when using this meter, as
it is used only in voltage and current monitoring applications, and not
with rate, total, or batching applications. For information on using pump
alternation control for level, see the PD6060 instruction manual
available at www.predig.com.
Setting Up the Interlock Relay (Force On) Feature
Relays 1-4 can be set up as interlock relays. To set up the relays for the
interlock feature:
1. Access the Setup – Relay – Action menu and set the action to off.
2. In the Advanced features – User menu program any of the digital
inputs to Force On any of the internal relays (1-4).
3. Connect a switch or dry contact between the +5V terminal and the
corresponding digital input (dI-1 to dI-4) terminal.
1 2 3 4 5 6
+5 I1 I2 I3 I4 O1
7 8
O2 O3
9 10
O4 G
DI 1-4 DO 1-4
5 VDC GND
SW2
SW1