FOXBORO module P92 P9220436070H Industry application

FOXBORO module P92 P9220436070H Industry application

Setting Speed Range The speed range to be selected is determined by the maximum desired prime mover speed. Calculate the frequency of the speed sensor signal at the maximum prime mover speed by multiplying the gear speed in revolutions per minute times the number of teeth on the speed sensing gear and dividing by 60. Select the lowest speed range which contains this maximum speed sensor frequency.Figure 2-2 shows the four sections of Switch S1 and their corresponding speed ranges. Set the proper section of Switch S1 to the ON position and the other three positions of Switch S1 to the OFF position. The speed range is factory set for 2000 to 6000 Hz. Refer to the inside cover to change speed range and prevent possible overspeed. Using the wrong speed range could cause an overspeed with resulting damage to equipment and/or personal injury or death.

Potential Transformer Connections

 Connect the potential transformer secondary leads to the following terminals: • Phase A to terminal 1 • Phase B to terminal 2 • Phase C to terminal 3 The potential transformer secondary line-to-line voltage must be in the 90 to 240 Vrms range. Refer to the plant wiring diagram (Figure 1-2). Current Transformer Connections The standard method of connecting the current transformers is shown in the plant wiring diagram (Figure 1-2). An alternate method is the open delta connection shown in the insert in the plant wiring diagram.

Droop Contact (Isoch-Droop) and Load Sharing Lines

 Because the load-sharing-line relay is contained in the control, no relay is required between the control and the load-sharing-line bus. Use shielded cable and connect the load-sharing lines directly to terminals 10 (+) and 11 (–). Connect the shield to terminal 12. When all controls in the system are of the 2301A type, the shields may be connected continuously between controls. When load sharing with different controls, do not connect the shields at the point where connections are made to the load-sharing-line bus. The droop contact for selecting droop or isochronous operation is wired in series with the circuit-breaker auxiliary contact between terminal 14 and terminal 16 (terminal 0 on high-voltage controls). When both the droop contact and circuitbreaker auxiliary contact are closed, the control is in the isochronous loadsharing mode (Figure 2-3, A). In this mode, the internal load-sharing-line relay is energized, the droop signal is disabled (permitting isochronous load sharing), and the load-matching circuit is connected to the load-sharing lines.

The main products

Spare parts spare parts, the DCS control system of PLC system and the robot system spare parts,

Brand advantage: Allen Bradley, BentlyNevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, FOXBORO, Schneider PLC, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft etc. Various kinds of imported industrial parts

Products are widely used in metallurgy, petroleum, glass, aluminum manufacturing, petrochemical industry, coal mine, papermaking, printing, textile printing and dyeing, mechanical, electronic manufacturing, automobile manufacturing, plastic machinery, electric power, water