Digital i/o connections, Figure 5: digital i/o connections (p, Integrated instruments only) – Precision Digital PD8-765 User Manual
Page 18
PD8 Series Explosion-Proof Instrument Supplemental Manual
18
Digital I/O Connections
ProtEX-MAX models with integrated P
RO
V
U
functionality have a 10 position terminal
block for connecting the digital inputs and outputs. See Model Number Descriptions
on page 4 for details on ProtEX-MAX integrated instruments.
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
Figure 5: Digital I/O Connections
(P
RO
V
U
Integrated Instruments Only)
!
NOTICE
The digital inputs are configured at the factory to function identi-
cally to the front panel pushbuttons in order to work with the
SafeTouch buttons. Changing the programming of the digital in-
puts will affect the function of the SafeTouch buttons.
WARNING
Observe all safety regulations. Electrical wiring should be per-
formed in accordance with all agency requirements and applicable
national, state, and local codes to prevent damage to the meter
and ensure personnel safety.