Foxboro Evo FBM217 Discrete Input Module

TA is the core component connecting FBM217 with on-site signals, providing signal conditioning, isolation, and power distribution functions. It needs to be selected according to the input signal type. Common TA and adaptation scenarios are as follows:

TA model adaptation signal type isolation level certification type

RH916CA (main TA) 30V DC voltage monitoring, 32 channel group isolation Type 1/2/4

RH916XZ (main TA) 24V DC contact detection, 32 channel group isolation Type 1/2/4

RH916YA (main TA) 132V AC/150V DC voltage monitoring, 32 channel isolation Type 1/4

RH916PU (main TA) 240V AC voltage monitoring, 32 channel isolation Type 1

RH924HB (Extended TA) replaces FBM12A/B expansion module, 16 channel group isolation Type 1/2/4

RH924HD (Extended TA) replaces FBM13 expansion module, 16 channel isolation Type 1/4

TA connection: The main TA is connected to the base through a Type 4 cable (37 pin D-sub interface), and the extended TA is cascaded through a Type 6 cable (main TA 25 pin → extended TA 37 pin), with a maximum cable length of 30m, supporting P/PVC or LSZH materials (LSZH is suitable for low smoke and halogen-free scenarios);

Upgrade adaptation: When replacing the 100 series FBM (such as FBM07A/B, FBM08, FBM20), it is necessary to match the corresponding main TA+extended TA (such as replacing FBM07A with RH924HA main TA+RH924HB extended TA).

Compliance certification and security requirements

（1） Core certification

The FBM217 module and its supporting TA comply with global safety and electromagnetic compatibility standards in multiple regions, with the following core certifications:

Specific standards and levels for certification categories

Hazardous Area Certification North America: UL/UL-C Class I Division 2 Groups A-D, Temperature Code T4;

Europe: ATEX 2014/34/EU II 3 G Ex nA IIC T4 (DEMKO certification);

International: IECEx Ex nA IIC T4, certificate number refers to relevant TA documents

Electromagnetic compatibility (EMC) complies with EN 61326-1:2013 Class A (Emission and Immunity in Industrial Environments), EU EMC Directive 2014/30/EU

Low voltage safety EU Low Voltage Directive 2014/35/EU, in compliance with EN 61131-2 standard; UL Class 2 Circuit (Communication Circuit)

Environmental compliance complies with the EU RoHS 2011/65/EU directive, restricting the use of hazardous substances

Ship certification ABS type approval, French Classification Society (BV) EC31 environmental category certification

（2） Safety operation requirements

Electrical safety:

On site wiring must comply with Class 2 circuit restrictions (60V DC/30V AC, below 100VA), and high voltage TA must avoid long-term overvoltage operation (such as prohibiting the connection of signals above 300V AC to 240V AC modules);

Grounding requirements: The base is grounded through a DIN rail, and the use of aluminum/plastic rails is prohibited (which may cause poor grounding). The TA isolation channel needs to be grounded separately.

Dangerous area operation:

It needs to be installed in a certified enclosure with a protection level of IP54 or higher, and the enclosure needs to be opened with tools;

Before connecting/disconnecting cables, power off or confirm that the area is in a non hazardous environment. Replacement of non certified components is prohibited.

Upgrade and compatibility instructions

FBM217 is mainly used to replace Foxboro 100 series discrete input FBM modules. When upgrading, the following compatibility points should be noted:

Hardware replacement: A single FBM217 can replace one 100 series main FBM (such as FBM07A/B, FBM08)+one extended FBM (such as FBM12, FBM13), which needs to be matched with the corresponding functional main TA and extended TA (refer to the document "TA Selection Table for Migration");

Software adaptation:

New system: requires Studio 5000 or Foxboro Evo control software v8. x+, supporting redundant CINR blocks and GPS SOE synchronization;

Old system: 100 series upgrade can use termination component adapter (TAA, refer to PSS 31H-2W4) without rewiring;

Cable Reuse: Some 100 series on-site cables can be adapted to FBM217 through TAA, but the voltage level and TA compatibility need to be confirmed.