Troubleshooting ______________________________________________________________________
RF-MCGARDPRO
Hubbell Power Systems, Inc.
–
RFL™
Products
July 1, 2022
©2022 Hubbell Incorporated
8-11
Table 8-5 Settings for the PLC Analog Module
Reference
Designation
Description
Function
C2
Trimmer
capacitor
Used for reflected power meter calibration.
F5
Fuse
TX protection fuse, 1A, 250V, slow-blow, HPS/RFL Part No. 103473
F6
Fuse
RX protection fuse, 1A, 250V, slow-blow, HPS/RFL Part No. 103473
J3
18-pin Header
Used to set TX Filter frequency.
J4
12-pin Header
Used to set TX Filter frequency.
J5
12-pin Header
Used to set TX Filter frequency.
J6
12-pin Header
Used to set TX Filter frequency.
J7
18-pin Header
Used to set TX Filter frequency.
J8
12-pin Header
Used to set TX Filter frequency.
J9
12-pin Header
Used to set TX Filter frequency.
J10
12-pin Header
Used to set TX Filter frequency.
J11
18-pin Header
Used to set TX Filter frequency
J12
2-pin Header
Used to adjust capacitive component of balance network.
J13
2-pin Header
Used to adjust capacitive component of balance network.
J14
2-pin Header
Used to adjust capacitive component of balance network.
J15
2-pin Header
Used to adjust capacitive component of balance network.
J16
2-pin Header
Used to adjust inductive component of balance network.
J17
2-pin Header
Used to select or bypasses Inductor L4 which is fine adjustment for inductive
component of Balance Network.
Install Jumper J17 to bypass L4.
Do Not Install J17 to select L4.
J18
2-pin Header
Used to adjust inductive component of balance network.
J19
2-pin Header
Used to adjust inductive component of balance network.
J20
2-pin Header
Used to adjust inductive component of balance network.
J21
3-pin Header
Used to select 2-wire operation via Skewed Hybrid or 4-wire operation.
2W = 2-wire operation via Skewed Hybrid.
4W = 4-wire operation
(Jumper not used on assembly 500930-20)
J22
3-pin Header
Used to select 2-wire operation via Skewed Hybrid or 4-wire operation.
2W = 2-wire operation via Skewed Hybrid.
4W = 4-wire operation
(Jumper not used on assembly 500930-20)
J23
TX connector
BNC Connector
J24
3-pin Header
ISOLATE (FSK) = FSK Operation or ON/OFF 4
–wire operation or ON/OFF 2-
wire operation via Skewed Hybrid.
CONNECT (ON/OFF) = On/Off 2-wire operation
(shorts TX to RX, do not
install J27 or J28).
J25
3-pin Header
Used to select 2-wire operation via Skewed Hybrid or 4-wire operation.
2W = 2-wire operation via Skewed Hybrid.
4W = 4-wire operation
(Jumper not used on assembly 500930-20)
Continued….