Foxboro PLC P0101AG FBM242 Programmable Logic Controller Module


P0101AG FBM242

Supports discrete output signals at voltages of:
• 15 to 60 V dc
• 120 V ac/125 V dc
• 240 V ac

Category: SKU: L0130AE-0H-1 Tag:
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FBM242 mounts on a Modular Baseplate. The baseplate can be mounted on a DIN rail (horizontally or vertically), or horizontally on a 19-inch rack using a mounting kit. Refer to PSS 21H-2W6 B4 for details.

Output Channels
Sixteen isolated channels.
Applied Voltage
15 to 60 V dc (maximum)
Load Current
2.25 A (maximum) per channel
Load Current-In-Rush
8 A (maximum) for 20 ms per channel at 30°C.
6.4 A (maximum) for 20 ms per channel at 70°C.
On-State Voltage Drop
0.2 V (maximum) at 2.25 A
Off-State Leakage Current
0.1 mA (maximum)
Inductive Loads
Module output may require a protective diode or
metal oxide varistor (MOV) connected across the
inductive load.


Are you sure to read the manual carefully? If you have really read it carefully, then proceed to the second step, checking I/O, commonly known as “managing”.

There are many ways to check I/O, but it is important to check them sequentially according to the addresses provided in the manual. The premise is to inspect under absolute safety conditions in accordance with the safety regulations and component instructions in the manual.
When checking input points, the general input signals are various sensors, such as capacitors, inductors, optoelectronic, piezoresistive, ultrasonic, magnetic induction, and travel switches. Checking these components is relatively simple. According to the component instructions, place the workpiece on the workstation or move the actuator to check if there is a signal from the sensor. Of course, the detection methods for different devices may vary depending on the specific situation.

But be extra careful when checking the output signal. If it is an electric drive product, it is necessary to power on the actuator drive under safe conditions, especially to ensure that the equipment does not collide, and check whether the actuator can move. If it is a hydraulic or pneumatic actuator, manually power on the directional valve under safe conditions to control the actuator. When checking the output signal, regardless of the driving mode of the actuator, it is necessary to follow the component manual to ensure the safety of the equipment and personnel. It should be noted that not all actuators of the equipment can be powered on for testing, so sometimes individual output signals may not be able to be manually tested.

Whether it is an input or output device, when the sensor has a signal or the driving device of the actuator is powered on, it is necessary to simultaneously check whether the I/O module indicator light on the PLC is also on. In many devices, the input and output signals are connected to the PLC through wiring terminals. Sometimes, the indicator light of the wiring terminal has a signal, but it cannot be guaranteed that due to an internal open circuit in the connecting wire, there is no signal connected to the corresponding address on the PLC. This requires special attention.

After measuring the input and output signals, the measured address should be recorded simultaneously to ensure that the signal address is consistent with the instructions. If there are differences, measure the equipment address again. If the measurement is still inconsistent multiple times, contact the equipment manufacturer first because at this time, it cannot be guaranteed that the address provided by the manufacturer is correct.