General Information
| Model number | 05704-A-0135 |
| Country of origin | USA |
| Condition | Brand New |
| Dimension | 2.5x17x12.8cm |
| Weight | 0.16kg |
| Lead time Warranty | in stock |
| MOQ | 1 pcs |
Comprehensive Feature
The 05704-A-0135 is a Honeywell System 57 high-performance Four Channel Control Card featuring dedicated 4-20mA analog loop monitoring. Fully compatible with the System 57 backplane, this unit works seamlessly with industrial gas detectors and transmitters to deliver flexible threshold programming, clear local status indications, and stable industrial process safety network communication.
Specific Application
Simultaneous Multi-Loop Monitoring: Directing, processing, and validating up to four independent 4-20mA continuous gas detection loop signals within a single compact module footprint.
Localized Threshold Logic: Evaluating linear incoming sensor currents from 0 to 25mA against pre-defined alarm and fault setpoints to execute hardware-level safety shutdown or auxiliary ventilation control.
Control Consolidation: Maximizing control rack efficiency by packing high-density microprocessor intelligence into a 1-inch wide form factor, making it ideal for large-scale refinery, petrochemical, and power generation facility control panels.
Ordering Information
|
Part Number |
Item Description |
Slot Width Allocation |
Main Function / Application |
|
05704-A-0135 |
System 57 4-Channel Gas Control Card |
1 Slot |
Processes 4 channels of 4-20mA analog loop sensor inputs with built-in threshold and alarm logic. |
|
05704-A-0146 |
5704F Four Channel Fire Control Card |
1 Slot |
Monitored-loop drive module for fire zone detectors (flame, smoke, heat, manual call points). |
|
05704-A-0131 |
Hex Relay Interface Card |
1 Slot |
Standard back-row wiring interface breaking out 4 sensor inputs and providing 6 single-pole relay outputs. |
|
05701-A-0361 |
System 57 Engineering Card |
1 Slot |
Right-hand system module overseeing backplane serial link traffic, calibration, and external PC communication. |
|
05701-A-0325 |
System 57 DC Input Card |
1 Slot |
Rack-level power entry card featuring RFI filtration, reverse polarity guards, and a fuse rated up to 8A. |
|
05701-A-0405 |
16-Way AC to DC Power Supply Unit |
1U Rack |
Switched-mode power system delivering nominal 24V DC power, upgradable from 50W up to 200W blocks. |
System Compatibility
· Racking Equipment: Operates inside standard System 57 sub-racks across full 19" (17 card slots) or half 19" (9 card slots) structural frames.
· Interface Hardware: Mates directly with standard Hex Relay Interface Cards or Extended Relay Assemblies at the rear/interface section of the sub-rack to break out wiring terminals and voltage-free relay contacts.
· Peripherals: Interfaces over the internal backplane bus with the common Engineering Card and Fire/Gas Status Panels for diagnostic interrogation, calibration, and clock synchronization.
Alternative Model & Differences
· Alternative Model: 5704F Four Channel Fire Control Card (Part Number 05704-A-0146).
· Key Differences:
o Application Field: The 05704-A-0135 is uniquely optimized for processing continuous linear analog 4-20mA gas detection inputs, while the 05704-A-0146 is built specifically for fire loop zones (smoke, flame, heat, and manual call points).
o Visual Interface: The 05704-A-0135 utilizes local instrumentation display elements suited for tracking continuous gas levels or concentrations, while the fire version uses strict visual status LEDs dedicated to zone fire/fault states.
o Functional Safety Logic: The 05704-A-0135 focuses on sensor signal zero/span tracking and life monitoring values, whereas the fire control alternative centers on fault-monitored switched DC loops, zone walking tests, and global silencing triggers.
Installation & Troubleshooting FAQ
Q1: What is the recommended power distribution method for racks heavily populated with 05704-A-0135 cards?
A: When a sub-rack contains many channels or drives high-power 4-20mA field transmitters, the combined current will easily breach the 8A backplane limit. In these dense layouts, do not rely on the centralized DC Input Card to power the whole rack. Instead, route user-supplied nominal 24V DC power directly to the individual interface/relay card mated to the back of each 05704-A-0135 module to isolate the heavy loads.
Q2: How do I unlock engineering functions like gas sensor span adjustment or alarm setpoint checking on this card?
A: While simple channel verification can be initiated locally, advanced parameter modifications require the right-hand Engineering Card in the sub-rack. To adjust sensor span or tweak critical thresholds, you must plug an authorized Engineering Key into the mini DIN port of the Engineering Card. This unlocks the communication bus and permits configuration edits locally via the front tactile buttons or externally through a PC connection.
Q3: The 05704-A-0135 front display is signaling a fault indicator code. What are the primary diagnostic steps?
A: Start by verifying the physical health of the analog link. Ensure the loop current stays within the valid 0 to 25mA operating window; field shorts or open field lines will trip immediate module alarms. Next, check the 32-way backplane connector seats tightly into the sub-rack and verify that card-specific jumper settings match your power distribution architecture. If the issue remains localized, use the Engineering Card interface to run a module self-validation test.
Contact information
Please don’t hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction.
Sales Manager:Stella
Email:sales6@apterpower.com
Whatsapp:+86 18159889985
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