ProtEX-MAX PD8-6060 Explosion-Proof Dual-Input Meter Instruction Manual
7
Calibration
Range
Input
Range
Minimum Span
Input 1 & Input 2
4-20 mA
0.15 mA
10 V
0.01 V
An error message will appear if the input 1
and input 2 signals are too close together.
Input
Impedance
Voltage ranges: greater than 500 k
Current ranges: 50 - 100
(depending on
resettable fuse impedance)
Input
Overload
Current input protected by resettable fuse,
30 VDC max.
Fuse resets automatically after fault is
removed.
F4 Digital Input
Contacts
3.3 VDC on contact. Connect normally
open contacts across F4 to COM.
F4 Digital Input
Logic Levels
Logic High: 3 to 5 VDC
Logic Low: 0 to 1.25 VDC
HART
Transparency
Analog input will not interfere with existing
HART communications on the wired 4-20
mA signal
Relays
Rating
4 SPDT (Form C) internal and/or 4 SPST
(Form A) external; rated 3 A @ 30 VDC
and 125/250 VAC resistive load; 1/14 HP
(
≈
50 W) @ 125/250 VAC for inductive
loads
Noise
Suppression
Noise suppression is recommended for
each relay contact switching inductive
loads; see page 19 for details.
Deadband
0-100% of span, user programmable
High or Low
Alarm
User may program any alarm for high or
low trip point.
Unused alarm LEDs and relays may be
disabled (turn off).
Relay
Operation
Automatic (non-latching)
Latching (requires manual acknowledge)
Sampling (based on time)
Pump alternation control (2 to 4 relays)
Off (disable unused relays and enable
Interlock feature)
Manual on/off control mode
Time Delay
0 to 999.9 seconds, on & off relay time
delays
Programmable and independent for each
relay
Fail-Safe
Operation
Programmable and independent for each
relay.
Note: Relay coil is energized in non-alarm
condition.
In case of power failure, relay will
go to alarm state.
Auto
Initialization
When power is applied to the meter,
relays will reflect the state of the input to
the meter.
Relay Reset
User selectable via front panel buttons,
digital inputs, or PC
1. Automatic reset only (non-latching),
when the input passes the reset
point.
2. Aut manual reset at any time
(non-latching)
3. Manual reset only, at any time
(latching)
4. Manual reset only after alarm
condition has cleared (L)
Note: Front panel button or digital input
may be assigned to acknowledge
relays programmed for manual
reset.
Isolated 4-20 mA Transmitter Output
Output Source
Process channel A, B, or C, max or min
for channel A, B, or highest or lowest max
or min of A and B, set points 1-4, Modbus
input, or manual control mode
Scaling Range
1.000 to 23.000 mA for any display range
Calibration
Factory calibrated: 4.000 to 20.000 = 4-20
mA output
Analog Out
Programming
23.000 mA maximum for all parameters:
Overrange, underrange, max, min, and
break
Accuracy
± 0.1% of span ± 0.004 mA
Temperature
Drift
0.4 µA/
C max from 0 to 65
C ambient,
0.8 µA/
C max from -40 to 0
C ambient
Note: Analog output drift is separate from
input drift.
Isolated
Transmitter
Power Supply
Terminals I+ & R: 24 VDC
10%. May be
used to power the 4-20 mA output or
other devices. Refer to Figure 3 on page
14 and Figure 16 on page 20. All models
@ 25 mA max.
External Loop
Power Supply
35 VDC maximum
Output Loop
Resistance
Power supply Minimum Maximum
24 VDC
10
700
35 VDC
(external)
100
1200
www.
GlobalTestSupply
.com
Find Quality Products Online at:
