Communication Guide, ©ComAp – March 2014 128
IGS-NT Communication Guide 03-2014.pdf
Data part of the communication
function
1
MSB1 = sign extension LSB1
LSB1 = comm. object value
Unsigned integer – 8 bits
MSB1 = 0
LSB1 = comm. object value
MSB1 = comm. object value, bits 15-8
LSB1 = comm. object value, bits 7-0
Unsigned integer – 16 bits
MSB1 = comm. object value, bits 15-8
LSB1 = comm. object value, bits 7-0
MSB1 = comm. object value, bits 31-24
LSB1 = comm. object value, bits 23-16
MSB2 = comm. object value, bits 15-8
LSB2 = comm. object value, bits 7-0
Unsigned integer – 32 bits
MSB1 = comm. object value, bits 31-24
LSB1 = comm. object value, bits 23-16
MSB2 = comm. object value, bits 15-8
LSB2 = comm. object value, bits 7-0
MSB1 = 0
LSB1 = comm. object value
MSB1 = comm. object value, bits 15-8
LSB1 = comm. object value, bits 7-0
MSB1 = comm. object value, bits 31-24
LSB1 = comm. object value, bits 23-16
MSB2 = comm. object value, bits 15-8
LSB2 = comm. object value, bits 7-0
MSB1 = 0
LSB1 = comm. object value
MSB1 = 0
LSB1 = comm. object value
ASCII string of max. length of 15
characters (zero terminated string)
MSB1 = 1. character of the string
LSB1 = 2. character of the string
MSB2 = 3. character of the string
LSB2 = 4. character of the string
…
ASCII string of max. length of 31
characters (zero terminated string)
MSB1 = 1. character of the string
LSB1 = 2. character of the string
MSB2 = 3. character of the string
LSB2 = 4. character of the string
…
MSB1 = BCD(day)
LSB1 = BCD(month)
MSB2 = BCD(year)
LSB2 = 0
example:
MSB1 = 18 (HEX)
LSB1 = 04 (HEX)
MSB2 = 01 (HEX)
LSB2 = 0
Date = 18.4.(20)01
MSBx = register x, bits 15-8
LSBx = register x, bits 7-0