Yokogawa AMM21T Thermocouple Input Multiplexer Module

Frequently Asked Questions (FAQ)

Q1: What thermocouple types are supported by the AMM21T module?
A1: The AMM21T supports standard thermocouple types as defined in IEC584-1995, including types K, J, T, E, B, R, and S.

Q2: How many channels are available on the AMM21T?
A2: The module offers 16 individual thermocouple input channels.

Q3: Does the AMM21T have cold junction compensation built in?
A3: Yes, it includes integrated cold junction compensation to ensure accurate thermocouple readings.

Q4: How is the AMM21T module connected within the system?
A4: It is installed in a multiplexer I/O nest (e.g., AMN34) and communicates with the control system via a Node Interface Unit.

Q5: Is this module compatible with legacy RIO systems?
A5: Yes, the AMM21T is designed to work with CENTUM RIO systems and supports backward compatibility with existing field wiring.

Q6: Can this module be used in redundant configurations?
A6: While the module itself is not redundant, system-level redundancy can be achieved through architecture-level design.

Q7: How is the AMM21T physically installed?
A7: It is mounted by plugging into a compatible I/O nest and secured within a cabinet or rack system.

Q8: What are the environmental requirements for the AMM21T?
A8: It must be operated within 0 to 50°C and stored between -20 to 70°C in a dry, non-condensing environment.

AMM21T Thermocouple Input Multiplexer Module Yokogawa

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