Magnetrol Echotel 962 - Model 961 Remote Transducer Housing Wiring

7
51-646 Echotel
®
Model 961 & 962 Ultrasonic Level Switches
2.4.1.1 Model 961 Remote Transducer Housing Wiring
Remote mount Model 961 units have a “1” as the 8th
digit (961-XXXX-1
XX) of the model number. The
037-3316-XXX cabling is connected at the factory on the
electronics end, and secured with a cable tie. The other
end of the cabling is connected by the user inside the
remote transducer housing at a terminal block marked as
1 2 3 4 on a blue label. See Figure 7.
NOTE: The 037-3316-XXX cabling is connected at the factory on the
electronics end. TB1 and TB2 connections are shown below
in Figure 7 in the event the cable needs to be reattached.
NOTE: The Signal wires are 30 AWG RG Type 178/U coax with the white jacket stripped
off. The Shield wires are prepared with solid tinned copper 22 AWG bus wire.
Ground
037-3316-xxx Cabling
Shield: 1, 3
Signal: 2, 4
0
3
0
-
3
5
9
1
-
0
0
1
P2
R29
TB1
TB1
TB2
TB2
RECVXMIT
Figure 7
Model 961 Line-Powered Remote Transducer Wiring
Remote Transducer Housing
Electronics Module
Transducer Housing
Terminal Position
Wire
Electronics Terminal Block
& Terminal Position
1 Receive Shield
TB1
2 Receive Signal RECV
3 Transmit Shield
TB2
4 Transmit Signal XMIT
Model 961 Line-powered Remote Mount Wiring