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PD138 MINIMUX II Temperature and Process Scanner
Brand: Precision Digital CorporationThe MINIMUX® II PD138 is a microprocessor-based, eight-channel analog input scanner/multiplexer and annunciator that provides low-cost automatic switching for multi-point display and alarm systems.
It can automatically switch up to eight inputs to another device such as a digital panel meter, controller, or PLC.
Signal switching is done via reed relays making the PD138 ideal for switching thermocouples, RTDs, control loops, and AC/DC signals.
They feature rugged NEMA 4X/IP65 fronts and a wide operating temperature range.
They can be programmed for many common ISA alarm sequences including first out indication and they provide alarm signaling through front panel LEDs and a build in 85 dB horn.
Features- 8 Inputs per Unit, Eliminates Need for 7 Displays
- Unlimited Number of Units per System
- Free Custom Message Labels
- Thermocouples, RTDs, Process, AC & DC Inputs
- Adjustable Dwell Time for Each Channel
- Independent Alarm Input for Each Channel
- First-Out Alarm Indication
- Alarms Indicated by LEDs, Built-in Horn, and Relay
- Built-in 85 dB Horn with Silence Pushbutton
- Stop-On-Alarmed Channel (Field Select)
- Non-Interruptible 4-20 mA Inputs
- Sunlight Readable Indication
- NEMA 4X/IP65 Front
- Shallow Depth 1/8 DIN Enclosure
- -40° to 65°C Operating Temperature Range
1 - 6 of 6 Part Numbers
PD138-2
- Power - 24 Vdc
- Resistor - Without Resistor
PD138-2-CL
- Power - 24 Vdc
- Resistor - With Loop Resistor
PD138-3
- Power - 115 Vac
- Resistor - Without Resistor
PD138-3-CL
- Power - 115 Vac
- Resistor - With Loop Resistor
PD138-4
- Power - 230 Vac
- Resistor - Without Resistor
PD138-4-CL
- Power - 230 Vac
- Resistor - With Loop Resistor
1 - 6 of 6 Part Numbers
Specifications
Input
- 8-Channels
Enclosure, Body Material
- High Impact Plastic
Environmental Protection
- IP65
- NEMA 4X
Resistance
- 0.2 ohms
Operating Temperature
- -40° to 65° C (-40° to 150° F)
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Humidity
- 0 to 90% RH Non-Condensing
Maximum Power Switched
- 10 W
Power Supply
- 15 VAC, ± 10%, 50/60 Hz, 4 VA
- 230 VAC, ± 10%, 50/60 Hz, 4 VA
- 12-24 VDC (9-18 VAC, 50/60 Hz) 2 W
Maximum Current Switched
- 0.5 A
Maximum Input Voltage
- 200 V (Switched or Common Mode)
Certifications & Approvals
- UL