HBM MGCplus - Page 52

Connection
SG chains and strain gage rosettes on AP815i
52 A0534-30.0 HBM: public MGCplus
If the distances between the individual strain gages cannot be kept small
(for example two 90 strain gage rosettes in different places), they must be
connected as follows:
1
14
2
15
Hsg.
AP815i
13
14
25
Subchannel
1...4
Subchannel
1
Subchannel
2
1
13
14
25
1
Subchannel
5...8
Excitation voltage (-)
Cable shield
Sense lead (-)
Excitation voltage (+)
Measurement signal (+),
sense lead (+)
2
1
2'
4
SG2 SG1
5
18
1
14
2
15
Hsg.
Subchannel
5
Subchannel
6
Excitation voltage (-)
Cable shield
Sense lead (-)
Excitation voltage (+)
Measurement signal (+),
sense lead (+)
2
1
2'
4
SG4 SG3
5
18