GE N60 Instruction Manual page 172

5.2 PRODUCT SETUP
n) IEC 60870-5-104 PROTOCOL

PATH: SETTINGS PRODUCT SETUP
 IEC 60870-5-104
 PROTOCOL
5
The N60 supports the IEC 60870-5-104 protocol. The N60 can be used as an IEC 60870-5-104 slave device connected to
a maximum of two masters (usually either an RTU or a SCADA master station). Since the N60 maintains two sets of IEC
60870-5-104 data change buffers, no more than two masters should actively communicate with the N60 at one time.
The
IEC ------- DEFAULT THRESHOLD
M_ME_NC_1 analog data. These settings group the N60 analog data into types: current, voltage, power, energy, and other.
Each setting represents the default threshold value for all M_ME_NC_1 analog points of that type. For example, to trigger
spontaneous responses from the N60 when any current values change by 15 A, the
ting should be set to 15. Note that these settings are the default values of the deadbands. P_ME_NC_1 (parameter of mea-
sured value, short floating point value) points can be used to change threshold values, from the default, for each individual
M_ME_NC_1 analog point. Whenever power is removed and re-applied to the N60, the default thresholds are in effect.
The
IEC REDUNDANCY
two simultaneous connections can be active at any given time.
When the IEC port number is set to 0, the change takes effect when the N60 is restarted.
Do not set more than one protocol to the same TCP/UDP port number, as this results in unreliable operation of
NOTE
those protocols.
The IEC 60870-5-104 and DNP protocols cannot be used simultaneously. When the IEC 60870-5-104 FUNCTION
setting is set to "Enabled", the DNP protocol does not operate. When this setting is changed, it takes effect when
NOTE power to the relay is cycled (off-to-on).
5-56

COMMUNICATIONS
IEC 60870-5-104
FUNCTION: Disabled
IEC TCP PORT
MESSAGE
NUMBER: 2404
 IEC NETWORK
MESSAGE
 CLIENT ADDRESSES
IEC COMMON ADDRESS
MESSAGE
OF ASDU:
IEC CYCLIC DATA
MESSAGE
PERIOD:
IEC CURRENT DEFAULT
MESSAGE
THRESHOLD: 30000
IEC VOLTAGE DEFAULT
MESSAGE
THRESHOLD: 30000
IEC POWER DEFAULT
MESSAGE
THRESHOLD: 30000
IEC ENERGY DEFAULT
MESSAGE
THRESHOLD: 30000
IEC PF DEFAULT
MESSAGE
THRESHOLD: 1.00
IEC OTHER DEFAULT
MESSAGE
THRESHOLD: 30000
IEC REDUNDANCY
MESSAGE
ENABLED: No
settings are used to determine when to trigger spontaneous responses containing
setting decides whether multiple client connections are accepted or not. If redundancy is set to Yes,
N60 Network Stability and Synchrophasor Measurement System

IEC 60870-5-104 PROTOCOL
Range: Enabled, Disabled
Range: 0 to 65535 in steps of 1
Range: see sub-menu below
Range: 0 to 65535 in steps of 1
0
Range: 1 to 65535 s in steps of 1
60 s
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 0.00 to 1.00
Range: 0 to 65535 in steps of 1
Range: No, Yes
IEC CURRENT DEFAULT THRESHOLD
5 SETTINGS
set-
GE Multilin