Siemens ULTRAMAT 23 Series - Page 195

Accessories Designation Remark
RS232-RS485 converter not shown
USB-RS485 converter not shown
Ethernet-RS485 converter not shown
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

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Figure 13-8 Motherboard (A) and option module (B)
Part No. Designation Remarks
1 *) Main board with 󹪝rmware
2.1 Pro󹪝bus 󹪝rmware
*) Following replacement of this part, special work is required which can only be carried out by a Siemens certi󹪝ed service center
or by quali󹪝ed, specially trained personnel, for example temperature compensation, basic electronic adjustment, 3-point
calibration with calibration gas etc.
Accessories Designation Remark
2.2 Pro󹪝bus DP printed-circuit board Option module
2.3 Pro󹪝bus PA printed-circuit board Option module
For more information on updating the device 󹪝rmware, see: Technical Support (http://
www.siemens.com/automation/csi/service)
Spare parts/accessories
13.4 Electronics
ULTRAMAT 23
Equipment Manual, 04/2022, A5E37100388-012 195