Installation Method; Circuit Board Setting - Fujitsu UTY-VMGX Installation Manual

MODBUS cable
Earth (Ground)
terminal
Cable tie
7.3. Installation method
Do not install the main unit with the cables downward.
8. CIRCUIT BOARD SETTING
Set MODBUS convertor rotary switch SET1 and DIP switch SET2, SET4,
SET5, SET6, SET7.
Transmission cable
to VRF Network
MODBUS
connector
(1) [Rotary switch-SET1] set the address of MODBUS Convertor.
Set the values of SET 1 (x10) and SET 1 (x1) to set the MODBUS
convertor Remote Controller Address.
Example: W hen SET 1 (x10) is set to "1" and SET 1 (x1) is set to "5",
MODBUS convertor Remote Controller Address is set to "15".
MODBUS
Rotary
convertor
Switch Setting
Remote
Controller
SET1(×10) SET1(×1)
address
0
0 0
1 0 1
2 0 2
3 0 3
4 0 4
5 0 5
6 0 6
7 0 7
• When setting address, please be sure that the address of MODBUS
Convertor is not overlap the address of other controller like, Touch Panel
Controller & Network Convertor for Group Remote Controller.
• When the rotary switch is set to 16 or more, MODBUS convertor Remote
Controller Address setting is 15.
(2) Terminal resistance setting SW (SET2-1)
When there is no other terminal resistance in the VRF network to
which the convertor is connected, set to "ON".
ON: Terminal resistance valid
OFF: Terminal resistance invalid (Default)
(3) SCAN setting SW (SET2-4)
SCAN start and reset can be set.
ON: SCAN starts
OFF: SCAN resets (Default)
(4) Test run setting SW (SET 2-3)
Test run start and reset can be set.
ON: Test run starts
OFF: Test run resets (Default)
(5) MODBUS communication setting: MODBUS slave address setting
(SET4/5)
Address can be set. (1 to 247)
MODBUS
convertor
address
SET5-1 SET5-2 SET5-3 SET5-4 SET4-1 SET4-2 SET4-3 SET4-4
1
○ ○ ○
2 ○ ○ ○
3 ○ ○ ○
4 ○ ○ ○
5 ○ ○ ○
6 ○ ○ ○
7 ○ ○ ○
8 ○ ○ ○
9 ○ ○ ○
10 ○ ○ ○
11 ○ ○ ○
12 ○ ○ ○
13 ○ ○ ○
14 ○ ○ ○
15 ○ ○ ○
16 ○ ○ ○
17 ○ ○ ○
18 ○ ○ ○
19 ○ ○ ○
20 ○ ○ ○
21 ○ ○ ○
22 ○ ○ ○
23 ○ ○ ○
24 ○ ○ ○
25 ○ ○ ○
26 ○ ○ ○
27 ○ ○ ○
28 ○ ○ ○
MODBUS
Rotary
convertor
Switch Setting
Remote
Controller
SET1(×10) SET1(×1)
address
8 0
9 0
10 1
11 1
12 1
13 1
14 1
15 1
(: Factory setting)
DIP Switch Setting
● ○
ON: / OFF:
○ ○ ○ ○
○ ○ ○ ●
○ ○ ○ ●
○ ○ ● ○
○ ○ ● ○
○ ○ ● ●
○ ○ ● ●
○ ● ○ ○
○ ● ○ ○
○ ● ○ ●
○ ● ○ ●
○ ● ● ○
○ ● ● ○
○ ● ● ●
○ ● ● ●
● ○ ○ ○
● ○ ○ ○
● ○ ○ ●
● ○ ○ ●
● ○ ● ○
● ○ ● ○
● ○ ● ●
● ○ ● ●
● ● ○ ○
● ● ○ ○
● ● ○ ●
● ● ○ ●
● ● ● ○
8
9
0
1
2
3
4
5
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
●
○
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