Command conversion
Each module converts sixteen controller data words into bipolar voltage outputs, updating the complete set every 10 ms.
YOKOGAWA · CENTUM ENGINEERING RECORD
Yokogawa AAV542-S50 S2 / AAV544-S50 S2 | 16-Channel Voltage Output Modules
CENTUMI/OMODULE
01
Hardware Overview
Yokogawa AAV542-S50 S2 and Yokogawa AAV544-S50 S2 are sixteen-channel -10 to +10 V analog output modules for CENTUM field control stations. AAV542-S50 S2 uses a non-isolated output structure, whereas AAV544-S50 S2 isolates the channels from the system so the two models address different field-circuit arrangements.
Controller output words reach Yokogawa AAV542-S50 S2 as a common module image and are converted into sixteen voltage signals for loads of 10 kΩ or greater. Yokogawa AAV544-S50 S2 performs the same command conversion with 5 kΩ minimum loads and a 1500 V AC channel-to-system withstand boundary.
Both Yokogawa AAV542-S50 S2 and Yokogawa AAV544-S50 S2 update outputs every 10 ms and settle in 40 ms, but their isolation, load and current-consumption requirements are not interchangeable. The wiring plan therefore follows the exact model rather than the shared voltage range.
02
Engineering Data
| TECHNICAL ITEM | AAV542-S50 S2 | AAV544-S50 S2 |
|---|---|---|
| Brand | Yokogawa | |
| Model | AAV542-S50 S2 | AAV544-S50 S2 |
| Nameplate Suffix | S2 (commonly seen) | S2 (commonly seen) |
| Product Name | 16-channel non-isolated voltage output module | 16-channel isolated voltage output module |
| Country | Japan | |
| Output Channels | 16 | |
| Output Signal | -10 to +10 V DC | |
| Isolation | Non-isolated | Isolated channels |
| Withstand Voltage | Not applicable | 1500 V AC for 1 minute |
| Minimum Load | 10 kΩ | 5 kΩ |
| Accuracy | Larger of ±0.3% FS and ±12 mV | |
| Update Period | 10 ms | |
| Output Step Response | 40 ms | |
| Temperature Drift | Larger of ±0.1%/10 °C and ±10 mV/10 °C | |
| Current Consumption | 450 mA at 5 V | 860 mA at 5 V |
| External Connection | Pressure clamp terminal, KS cable or MIL connector cable | |
| Dimensions | 32.8 × 130 × 107.5 mm | |
| Weight | Approx. 0.20 kg | |
03
Operating Characteristics
AAV542-S50 S2 and AAV544-S50 S2 share the same voltage span and timing but differ at the field-circuit boundary.
Load behavior
AAV542-S50 S2 requires at least 10 kΩ per output; AAV544-S50 S2 supports 5 kΩ or greater, so receiver impedance affects model selection.
Isolation effect
AAV544-S50 S2 provides channel-to-system withstand separation. AAV542-S50 S2 does not, so grounding and common potentials belong to the external design.
04
Installation Highlights
Install the selected module by matching its isolation class and receiver load before conductors are landed.
Plan the output circuits
List every receiving device, its input impedance and grounding reference; confirm that each circuit satisfies the chosen module load limit.
Mount and terminate
De-energize the node, seat AAV542-S50 S2 or AAV544-S50 S2 in the assigned slot, then connect the documented terminal or cable assembly without mixing channel returns.
Commission progressively
Apply module power first, command a safe value on one channel, confirm polarity and measured voltage, and then release the remaining outputs in controlled groups.
05
Buyer Questions
01Which load limit decides between Yokogawa AAV542-S50 S2 / AAV544-S50 S2?
Yokogawa AAV542-S50 S2 / AAV544-S50 S2 use minimum loads of 10 kΩ and 5 kΩ respectively; the connected receiver impedance must satisfy the exact selected module.
02Does Yokogawa AAV542-S50 S2 / AAV544-S50 S2 provide the same isolation?
No. Yokogawa AAV542-S50 S2 / AAV544-S50 S2 share the voltage range, but AAV542-S50 S2 is non-isolated and AAV544-S50 S2 has isolated channels.
03Why is a Yokogawa AAV542-S50 S2 / AAV544-S50 S2 output slow to reach the commanded value?
For Yokogawa AAV542-S50 S2 / AAV544-S50 S2, check the receiver load, wiring capacitance, output update path and the documented 40 ms step response before treating the module as faulty.
04Can Yokogawa AAV542-S50 S2 / AAV544-S50 S2 be wired while the node is energized?
Yokogawa AAV542-S50 S2 / AAV544-S50 S2 should be installed and terminated under the approved de-energized procedure so an output conductor cannot be shorted or assigned to the wrong return.
05What should be measured during Yokogawa AAV542-S50 S2 / AAV544-S50 S2 commissioning?
For Yokogawa AAV542-S50 S2 / AAV544-S50 S2, verify output polarity, zero and full-scale commands, actual receiver impedance and the result at the connected input before releasing all channels.
06Can Yokogawa AAV542-S50 S2 / AAV544-S50 S2 be exchanged only because the dimensions match?
No. Yokogawa AAV542-S50 S2 / AAV544-S50 S2 share the external envelope, but isolation, load and current consumption differ and must be checked in the project design.
06
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Supporting filesPhotos and documents attached
Commercial recordQuantity and destination included
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