Physical layer (network-specific parameter)
Transmission speed (control direction)
Balanced interchange circuit
X.24/X.28
Unbalanced interchange cir-
cuit V.24/V,28 Recommended
if > 1200 bit/s
Unbalanced interchange cir-
cuit V.24/V.28 Standard
2400 bit/s
2400 bit/s
100 bit/s
4800 bit/s
4800 bit/s
200 bit/s
9600 bit/s
9600 bit/s
300 bit/s
19200 bit/s
19200 bit/s
600 bit/s
38400 bit/s
1200 bit/s
56000 bit/s
64000 bit/s
Transmission speed (monitor direction)
Balanced interchange circuit
X.24/X.28
Unbalanced interchange cir-
cuit V.24/V,28 Recommended
if > 1200 bit/s
Unbalanced interchange cir-
cuit V.24/V.28 Standard
2400 bit/s
2400 bit/s
100 bit/s
4800 bit/s
4800 bit/s
200 bit/s
9600 bit/s
9600 bit/s
300 bit/s
19200 bit/s
19200 bit/s
600 bit/s
38400 bit/s
1200 bit/s
56000 bit/s
64000 bit/s
Link layer (network-specific parameter)
Frame format FT 1.2, single character 1 and the fixed time-out interval are used exclus-
ively in this companion standard.
Address field of the link
Link transmission procedure
not present
Balanced transmission
One octet
Unbalanced transmission
Two octets
Structured
Frame
length
70
1MRS755382
Station Automation COM600 3.4
IEC 60870-5-101 Slave (OPC) User's Manual
Summary of Contents for COM600 3.4
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