FBM207C RH917GY Foxboro Contact Sense Input Module

Description

FBM207C RH917GY is a 16-channel isolated contact sense input module. It interfaces with field devices through independent channels and communicates over a 2 Mbps redundant Fieldbus to an FCM or FCP.

Dimensions – Module

• Height: 102 mm (4 in), 114 mm (4.5 in) including mounting lugs

• Width: 45 mm (1.75 in)

• Depth: 104 mm (4.11 in)

Communication

• Bus: Redundant 2 Mbps Fieldbus to associated FCM or FCP

Input

• Channels: 16 isolated and independent

• Accuracy – Pulse Count: No missing pulses from 0 to 250 Hz

• Filter/Debounce Time: Configurable (No Filtering, 4, 8, 16, or 32 ms)

• Firmware Note: Digital filtering for 200 Series FBMs or migration modules with v1.25H or later

Voltage Monitor Function – Input

• Logic One, On-State Voltage: 15 to 60 VDC

• Logic Zero, Off-State Voltage: 0 to 5 VDC

• Current: 1.4 mA (typical) at 5 to 60 VDC

• Source Resistance – Logic One, On-State: 1 kΩ max at 15 VDC

• Source Resistance – Logic Zero, Off-State: 100 kΩ min at 60 VDC

Contact Sensor Function – Input

• Range (Each Channel): Contact open (off) or closed (on)

• Open-Circuit Voltage – FBM207b: 24 VDC ±15%

• Open-Circuit Voltage – FBM207c: 48 VDC ±15%

• Short-Circuit Current: 3.2 mA (typical)

• Logic One, ON-State Resistance: 1.0 kΩ max

• Logic Zero, OFF-State Resistance: 100 kΩ min