7 Connection
FLUXUS G722ST-HT
7.4 Inputs
67
UMFLUXUS_G722ST-HTV1-2EN, 2021-09-01
7.4
Inputs
7.4.1
Current input
An active (self-powered) or a passive (external powered) current source can be connected to the current inputs of the
transmitter.
Connection of an active current source
For the connection of the input cable to the transmitter see section 7.2.1, Fig. 7.15 and Tab. 7.10.
If the polarity of the current source is inversed, only the sign of the measured current will change.
Important!
The max. permissible voltage between the inputs and against PE is 60 V DC (permanent).
Fig. 7.15: Connection of the inputs to the transmitter
Important!
The terminals Txa and Txb must not be connected.
Tab. 7.10: Connection of an active current source
input
transmitter
external circuit
remark
internal circuit
connection
current input
max. permanent overcurrent:
100 mA
A
B
SNAP
DISP
DISP
MODE
FAST
MUX
NEXT
Q
ON
Q+
Q-
3x Q
OFF
LAN
USB
A+
B-
P1+
P2+
P3+
P4+
P5a
P6a
P7a
S
S
P1-
P2-
P3-
P4-
P5b
P6b
P7b
X2
X3
X_AV
KL1
1
KL12
KL7
KL8
KL9
KL10
KL4
X_AR
X_BV
X_BR
T1A
T1B
S1
T2A
T2B
T3A
T3B
S3
T4B
T4A
T1a
T1b
S1
T2a
T2b
T3a
T3b
S3
T4b
T4a
N(-)
PE
L(+)
AV
AV
S
AGN
ARS
AR
BV
BVS BGN
BRS
BR
T1A
T1B
S1
T2A
T2B
T3A
T3B
S3
T4B
T4A
T1a
T1b
S1
T2a
T2b
T3a
T3b
S3
T4b
T4a
V
R
int
+
-
TxA
Txb
Txb (not connected)
+
-
-
+
