Replacing The Processing Unit; Figure 10-3 Cabling - Siemens SIPROCESS GA700 Operating Instructions Manual

Maintenance and servicing

10.5 Replacing the processing unit

10.5 Replacing the processing unit
Replacing
①
②
③
④
Figure 10-3
1. Isolate the device from power.
2. Open the door. To do this, unscrew the six screws.
3. Remove the cover plate
4. Remove the connector from the power supply cable
5. Remove the electronics base plate
6. Remove the printed circuit board holder
7. Loosen the two screws
8. Install the new processing unit in the reverse order.
9. Connect all cables and fit the cover plate
10. Tightening the Torx screws:
64
Power supply cable
12-pin ribbon cable to the AM
Processing unit (PU)
26-pin ribbon cable to display
Cabling
the analyzer modules AM and to the option module OM2.1
④
cable to the display
the cable to the terminal block (TB)
– Tighten the Torx screws on the PU. Tightening torque: 1.3 Nm.
– Tighten the Torx screws on the cover plate and on the electronics base plate.
Tightening torque: 2.0 Nm.
– Tighten the six Torx screws on the door. Tightening torque: 2.0 Nm.
⑤
⑥
⑦
⑧
⑮
. To do this, unscrew the three screws.
, from the 26-pin ribbon cable to analyzer module 2 (AM2)
⑦ ⑧
.
⑬
by loosening screws
⑨
by unscrewing screw
⑫
and remove the processing unit
⑮
.
26-pin ribbon cable to AM2
Option module OM2.1
Cable between terminal block and
processing unit
Connecting cable OM2.1 - KB
①
, from the 12-pin ribbon cable to
②
, from the 26-pin ribbon
⑭ ⑪
and .
⑩
.
③
.
Operating Instructions, 01/2013, A5E31930403-01
⑤
and
Wall-mounted device