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ICS Triplex T3480 Regent Guarded Analog Output Module
The T3480 is a six-channel 4–20 mA guarded analog output module for the ICS Regent system. Dual conversion paths, triplicated I/O Safetybus communication and continuous circuit comparison help prevent a single internal or system fault from changing an output unintentionally.
TECHNICAL HIGHLIGHTS
Six 4–20 mA output channels
Dual 12-bit D/A converters per channel
0–4095 application data range
Single-module fail-safe operation
Two-module fault-tolerant operation with hot replacement
2500 V minimum field-to-logic isolation
KEY SPECIFICATIONS
Parameter
Value
Manufacturer / System
ICS Triplex / ICS Regent
Model / Type
T3480 guarded analog output module
Outputs
6 × 4–20 mA
Resolution / Data Range
12 bit / 0–4095
Accuracy / Drift
0.05% FS at 25 °C / ±50 ppm/°C
Load / Settling Time
0–400 Ω / 0.1 ms to 0.1% FS
External Field Power
24 VDC ±10%, 0.5 A
Safetybus Power
0.8 load units
Operating / Storage Temperature
0 to 60 °C / −40 to 85 °C
Dimensions / Weight
320 × 32 × 257 mm / 1.6 kg
GUARDED OUTPUT OPERATION
Regent processors send triplicated commands over the I/O Safetybus. Two independent logic sections vote the data and drive separate D/A paths for every channel. One path drives the field output and the other provides a reference; both signals must agree before the output is enabled. For fault-tolerant service, two T3480 modules are wired in parallel with STATUS IN and STATUS OUT cross-strapped. One controls the loads while the standby module tests its drive circuits. Transfer to the standby module occurs in less than 5 ms after a controlling-module failure.
SYSTEM, CONFIGURATION AND WIRING
System: ICS Regent I/O chassis with triplicated I/O Safetybus.
Software: WINTERPRET I/O Configuration Editor.
Programming: 0–4095 corresponds to 4–20 mA. Engineering units can be converted with the analog scaling function block.
Slot keying: upper connector position 9 and lower connector position 10.
Fault response: the chassis fault-mode jumper selects shutdown-to-zero or hold-last-state behavior.
BEFORE INSTALLATION
Confirm the catalog number, hardware revision and Regent compatibility.
Verify the external 24 VDC supply and available current.
Connect every output to a load. Short the two terminals of each unused channel at the I/O chassis as specified in the manual.
For a redundant pair, verify parallel output wiring and A/B status cross-strapping.
Confirm slot keying, fault-mode jumper position and WINTERPRET point definitions.
SAFETY AND MAINTENANCE
The T3480 is TÜV certified as non-interfering and is intended for non-safety-critical outputs within a safety system. Process safety must not depend on this module. Annual recalibration is recommended. Calibration and latent-fault testing require an operational Regent system, WINTERPRET, precision loads and the T3322 I/O module extender.
RELATED ITEMS
Second T3480: required for the documented fault-tolerant configuration.
T3322 I/O module extender: used for calibration and latent-fault testing.
Regent I/O chassis and WINTERPRET: required system and engineering environment.
Diagnostics expect every channel to see a load. An open unused channel causes the output comparison test to fail. Short its terminals as specified in the manual.
What happens if field wiring opens during redundant operation?
The controlling module detects a failure and enters standby. The second module attempts to take control, but the open field loop must still be repaired.
How should application logic handle a redundant pair?
Calculate and scale the value once, then copy the same 0–4095 value to the corresponding output on the second module.
Can T3480 be calibrated without a Regent chassis?
No. The official procedure requires an operational Regent I/O chassis, the T3322 extender and WINTERPRET.
OTHER MODELS AVAILABLE
The following part numbers are available for separate quotation. They are not identified as T3480 replacements, and no compatibility with the ICS Regent system is implied.
751659
05022639001
E0X95AA
NG4250R KCU10
2000-5420/1399-987
TPU321 IC9054
7080-25
ATMR5
CTS100422 UTS-110361
PX410-025GI
WMZT2C25
WMZT1DX0T
KA34U
FAZ-C6/1-NA-L
BES516327A0Y
ET20-318 ER20
LRB526032
AADE0375J3CRB
SPGX0703-C1 T3000D
32.5-1A VC29
WMZT1D01
5531088 SCD 023-009-030
KL3045
ZL-CBL40-S
7000-17121-2940500
REQUEST A QUOTE
Send the T3480 module label, required quantity, chassis information and clear photos of the installed slot. We will review the details before quotation.
Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste... Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste...
