RKI AC-7400 Analog Controller
12 Channel Gas Monitoring
Features
- 12 Channel Wired Monitor That Supports Any 4-20 mA Wired Sensor
- 12 to 35 VDC Operating Voltage with an Optional AC Power Supply
- Operating Temperature Range of -40ºC to +70ºC
- Graphical LCD with LED Backlight
- 5 Push-Button Interface (ADD, MENU, SUB, SCAN/ HOLD and RESET/ESC)
- 4 Individually Configurable Alarm Set-Points – Four Front Panel ALARM LED Indicators (Red); 4 Dry- Contact Relays (4 Amps Maximum per Relay)
- Status LEDs for Power and Fault – Multi-Color Status Light; Amber Fault LED for Indicating System Faults
- Output options: Wet contact DC fault terminal, relay 4 can optionally be configured as a fault relay, RS-485 Modbus
- NEMA-4X Standard fiberglass enclosure with clear window
- 1-Year limited hardware warranty
Description
AC-7400 Datasheet [PDF]
AC-7400 Manual [PDF]
The AC-7400 Controller is a versatile wired monitor that comes standard with DC power and can be configured with AC power supply. Four relays can be individually set up to the full scale of the channel and may be set up to either latching or non-latching. Supports 12 individual 4-20 mA wired sensor assemblies that can monitor and display a variety of toxic gases, leading to safer working environment.
The AC-7400 controller represents the latest leading edge technology in fixed gas detection today.
Related Services
- Design, Consultations, and Engineering
- Installation
- Start-up
- Training
- System Maintenance
Application
- Petrochemical plants
- Refineries
- Water & wastewater treatment plants
- Pulp & paper mills
- Manufacturing facilities
- Automotive
- Semiconductor plants
- Chemical plants
Specifications
| Product Type | 12 Channel wired gas monitor controller |
| Operating Voltage | 12V to 35V DC or 120V AC |
| Current Draw | 300 mA maximum (8 channel)325 mA maximum (12 channel) |
| Protection | Power electromagnetic interference (EMI) filter4-20 mA surge suppression
RS-485 and RS-232 surge suppression |
| Display Screen | 160 x 104 Resolution graphical LCD screen transflective (sunlight readable)with LED back light |
| Interface | 5 Push-buttons (MENU, ADD, SUB, SCAN/HOLD and RESET/ESC) |
| Product Mounting | 4 Mounting feet, 6 in. W x 12-1/4 in. T (included)maximum mounting bolt/screw size of 5/16 in. (8mm) diameter |
| Temperature Range | -40°C to +70°C |
| Product Compatibility | M2A, S2, GD-70D, T2A T3A, VOC Pro transmitters |
| Wired (Analog) Input | 12 analog inputs, 4-20mA |
| Relays | • 4 Dry-contact relays with 4 amp replaceable fuses• Fault terminal
• Optional to disable alarm relay • Latching and non-latching relay settings |
| Enclosure Materials | NEMA-4X enclosure with clear window |
| Product Dimensions | 12 in, L x 10 in. W x 6 in. H (Max. dimensions with attachments) |
| Total Weight | 12.15 lbs |
| Hardware Warranty | 1-Year limited |
