RAM-6901-AT - Uncategorized Red Lion - Free user manual and instructions
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| Product Type | Digital Panel Meter |
| Brand | Red Lion |
| Model | RAM-6901-AT |
| Display | 4-digit LED, red, 14.2 mm high |
| Input Type | Thermocouple, RTD, process voltage/current |
| Accuracy | ±0.1% of reading ±1 digit |
| Power Supply | 24 VDC isolated or 85-250 VAC, 50/60 Hz |
| Power Consumption | 5 VA max |
| Operating Temperature | 0 to 50°C |
| Storage Temperature | -20 to 70°C |
| Humidity | 0 to 85% RH non-condensing |
| Enclosure | 1/16 DIN, panel mount |
| Dimensions (W x H x D) | 48 mm x 48 mm x 100 mm |
| Panel Cutout | 45 mm x 45 mm |
| Weight | 150 g |
| Protection | IP65 (front panel) |
| Maintenance | Wipe with dry cloth; do not use solvents |
| Safety | Disconnect power before servicing. Use proper fuse. |
| Spare Parts & Repairability | Contact Red Lion support for replacement parts |
| Warranty | 2 years limited |
| Compliance | CE, UL |
Frequently Asked Questions - RAM-6901-AT Red Lion
How do I wire the RAM-6901-AT?
Refer to the manual for specific wiring diagrams. Typically, power and input terminals are labeled on the rear. Ensure power is off before connecting. Use shielded twisted-pair cable for input to reduce noise.
What input types are supported?
The RAM-6901-AT supports thermocouples (J, K, T, E, etc.), RTDs (PT100), and process signals (0-10V, 4-20mA). Configure via front panel programming.
Can I scale the display?
Yes, you can set a custom scale using the front panel keys. Enter the desired display values for minimum and maximum input signals.
How do I change the decimal point?
Access the programming menu and select decimal point position. Options: 0, 0.0, 0.00, or 0.000. Required dashp and save.
What is the maximum input voltage?
For voltage inputs, the maximum is 10 VDC (overload protection up to 30 V). For current inputs, maximum is 24 mA (do not exceed). For thermocouple/RTD, max is limited by sensor.
How do I reset to factory defaults?
Press and hold the Menu and Up keys simultaneously for 5 seconds until 'rSt' appears, then confirm. All settings will return to default.
Does it have peak/hold function?
Yes, it can capture and display maximum or minimum values. Access peak/hold mode via the menu and select peak, valley, or both.
What is the update rate?
The display updates every 100 ms (10 readings per second) for process inputs, or slower for thermocouple/RTD due to filtering (typically 4 readings per second).
How do I configure alarm outputs?
Enter the alarm setup menu. Set high/low trip points, hysteresis, and output action (solid-state relay or logic output). Wiring is shown in the manual.
Where can I download the manual?
The manual is available for free on notice-facile.com. Search for 'RAM-6901-AT Red Lion' and download the PDF. Alternatively, visit the Red Lion website.
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