3 turning on power to av550g and fieldbus, Turning on power to av550g and fieldbus -4 – Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G User Manual
Page 17

<4. GETTING STARTED>
4-4
IM 11M12D01-61E
Table 4.2 Parameters required for operation
Figure 4.2 Available Address Range
4.3 Turning on Power to AV550G and Fieldbus
Turn on power to the host, bus and AV550G. If the display of the AV550G does not light up, or if an
abnormal current flows from the power supply, check the power supply voltage.
Use the host’s display to confirm that the AV550G is operating normally on the bus. Unless advised
otherwise, you can assume that the AV550G factory default Fieldbus device settings are as follows:
PD tag: AV550G
Node address: 247 (hexadecimal F7)
Device ID: 5945430401xxxxxxxx (xxxxxx = six alphanumeric characters)
T0401.ai
Symbol
Parameter name
Description and Value
Set a value of 4 or greater
Set a value of 4 or greater
Slot-Time
V (ST)
First-Unpolled-Node
Minimum-Inter-PDU-
Delay
Maximum-Reply-
Delay
This sets the number of
consecutive unpolled
nodes.
Factory default setting is
F7 (hex).
This address determines
the number of addresses
Reserved for BASIC
devices, as shown in Fig.
4.2
Defines the first address
that can be used by host.
Set a value of 15 or
greater (hex).
Number-of-
consecutive-
Unpolled-Node
Set this such that V(MRD)
x V(ST) is 12 or greater.
V (MRD)
V (MID)
V (FUN)
V (NUN)
Bridge devices
Do not use
0x10
0x00
0x0F
0x14
0x13
0xF7
0xF8
0xFB
0xFC
0xFF
V(FUN)
V(FUN)+V(NUN)
LM devices
Unused
V(NUN)
Note 1: LM device: with bus control function (Link Master function)
Note 2: BASIC device: without bus control function
BASIC devices
Default addresss
Portable device address
F0403.ai
AV550G (0xF7)