Smart Positioner
YT-2500 / 2550 / 2501 Series
Product Manual
Ver. 1.34
39
7
Optional Sub-PCB Installment
By adding sub-PCB, the positioner can have additional functions. There are 3 types of sub-PCB.
Hart Only
Ptm Only
Ptm+Hart
Fig. 7-1: Types of Sub-PCB
When purchasing option sub-PCBs separately, 4 Bolts and 2 supports (3 at Limit switch internal option)
are supplied together with sub-PCB.
7.1
Installation steps
1)
Open base cover, PCB cover. Separate the Main PCB from base body.
2)
Mount 2ea of sub-PCB support on Main PCB with 2ea of bolt.
3)
Insert connector of sub-PCB into connector of main PCB correctly.
4)
Fasten sub-PCB with the rest of bolts or Pcb cover support.
Standard type
Limit switch type
Fig. 7-2: Installation of Optional sub-PCB on Main PCBs
JP1 jumper must be removed, when HART option included sub-PCB is being mounted.
5)
After PTM sub-PCB is installed newly, values of TR_ZERO and TR_END must be calibrated for
correct output signals. For the calibration of TR_ZERO and TR_END, please refer to section 9.7.2
of this manual.