RFL Electronics Inc.
I N S T R U C T I O N D A T A
RFL 9508 Powerline Carrier
Transfer Trip Module
DESCRIPTION
The RFL Powerline Carrier, Transfer Trip module (PLC-TT) is a bi-directional Type F6 teleprotection
module designed for use in RFL 9508 PLC systems. It transmits and receives data via the T1/E1 serial
link and generates and receives trip commands via an I/O adapter module. The PLC-TT can support up
to eight bi-directional transfer trip functions between two locations, or can support DCB (Directional
Comparison Blocking) in addition to two transfer trip functions. These terminals can operate point to
point between two RFL 9508 terminal nodes in a network. These terminal nodes can be configured as
point-to-point or drop and insert terminals and can be installed at different locations in the network
either at adjacent or nonadjacent nodes. The RFL PLC-TT module has eight LEDs on the front to
indicate the condition of the trip inputs and outputs.
PLC-TT parameters must be programmed using NMS with the exception of the module address, which
is set up using switches. The following is a list of some of the PLC-TT parameters.
•
Trip Hold timers
•
Pre-Trip timers
•
Output Polarity
•
Unblock enable
•
Alarm Timer delay
•
Logical OR’ing or AND’ing of Inputs and Aux Inputs
•
Module Address
•
Time slot assignment
•
Remote control configuration and status reporting
RFL 9508 PLC-TT
RFL Electronics Inc.
September 5, 2012
1
(973) 334-3100
