1MRS 750109-MUM
Router Option Card for Lon
Star Coupler
RER 111
SROUT
ABB Automation
21
Appendix A
Default values of communication parameters and routing tables for the router option
card, sides A and B.
These default values are set during manufacturing and they are stored in EEPROM
memory of the Neuron chip. Configuration structure values may be read and written
over the LONWORKS network using Read Memory and Write Memory network
management messages addressed to the router option card (for more details see
LONWORKS Technology Device Data chapter A6: The configuration structure).
.
Table 1: Configuration structure fields and values programmed for router
option card side A (TP/XF-78 interface) during manufacturing
Field of a structure
Value
Offset
/ # of bits
Remarks
channel_id
0x0000
0x0016
/ 16
location
0
0x02
/ 6*8
set during installation
comm_clock
4
0x08
/ 5
= input_clock / 8: 78kbit/s
input_clock
5
/ 3
= 10 Mhz
comm_type
5
0x09
/ 3
= differential
comm_pin_dir
0x0C
/ 5
= dir.mode - differential
preamble_length
6
0x0A
/ 8
= 240
µ
s
packet_cycle
4
0x0B
/ 8
= 4 ms
beta2_control
0
0x0C
/ 8
xmit_interpacket
0
0x0D
/ 8
recv_interpacket
0
0x0E
/ 8
node_priority
0
0x0F
/ 8
= no priority slot allocated
channel_priorities
30
0x10
/ 8
number of priority slots
collision_detect
0
0x11
/ 1
= disabled
bit_sync_threshold
0
/ 2
= number of bits: 4
filter
1
/ 2
hysteresis
2
/ 3
cd_to_end_packet
0
0x12
/ 6
cd_tail
0
/ 1
cd_preamble
0
/ 1
non_group_timer
0
0x18
/ 4
= 128 ms
nm_auth
0
/ 1
= no authentication
preemption timeout
5
/ 3
= 10 sec
Table 2: Default routing parameter values for router option card side A (TP/
XF-78 interface).
Routing algorithm:
Repeater
Router mode:
Normal
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