Yokogawa NFAI841-S00/A4S00 Analog I/O Module

Model/Part Number

NFAI841-S00/A4S00

Description

Analog I/O Module, 8-channel input/output, non-isolated, 4–20 mA, standard type, with pressure clamp terminal block

Model

NFAI841-S00/A4S00

Type

Current/Voltage I/O Module (Non-Isolated)

Input Channels

8 channels (4–20 mA)

Output Channels

8 channels (4–20 mA)

Input Resistance (Power ON)

250 Ω

Input Resistance (Power OFF)

≥500 kΩ

Allowable Load Resistance

0 to 750 Ω

Accuracy

±0.1% of full scale

Data Refresh Cycle

10 ms

Input Step Response Time

100 ms

Output Step Response Time

40 ms

Transmitter Power Supply

22.8 to 26.4 V DC (current limited to 27 mA)

Output Fallback

Configurable per channel

Circuit-open Detection

Input current ≤0.65 mA

Temperature Drift

Max. ±0.01% / °C

Max Current Consumption

310 mA @ 5 V DC, 500 mA @ 24 V DC

External Connections

Pressure clamp terminal block (Option: /A4S00)

HART Communication

Not available in this model (S00 = standard, no HART)

Weight

0.3 kg

Base Model

NFAI841

Analog I/O, 8 input & 8 output, 4–20 mA

Suffix -S00

-S

Standard type

0

Basic type (no special coating)

0

No explosion protection

Option Code

/A4S00

Pressure Clamp Terminal Block [Model: NFTA4S-00]