E3H020 C-Bus Gateway
125
Building Technologies
001260_k_en_--.doc
Fire Safety & Security Products
02.2005
3
EPROM plug-in spaces EVEN / ODD: Software
4
RAM plug-in spaces (static RAM)
CK1142:
8 pcs. 256Kx8Bit / Pos. D11… D18 or
4 pcs. 512Kx8Bit / Pos. D11, D12, D15, D16 (ex works)
CK1143:
8 pcs. 512Kx8Bit / Pos. D11… D18
5
Connector (96-pin) "ST10": for interface extension
6
Connector "ST2" (14-pin): "Asynchronous" interface (TTL) to K1D012,
K1D081, K1D121 or K1H021 and AlgoWorks service port
7
Key "S4": Reset
8
Programming switch "S3": "Station address" setting
To set the station address and whether
with or without
autonomous power supply
Programming switch S3
Function
1 2 3 4 5 6 7 8 9 10
≤
EP5:
Station address 16
off off off off
on
≥
EP7F:
unused (via SW)
off off off off off
used
on
E3C011
unused
off
9
Double flat cable header "ST1" (26-pin):I-Bus from E3C011 (if used)
10 3-pin female connector with 2-pin jumper
11 4-pin
female
connector
12 Plug-in terminals "K1": Supply line from E3C011 (if used)
13 Plug-in terminals "K2"
14 Lithium battery 3 V / 70 mAh: RAM buffering and clock supply
– Data safeguarded: minimum 2 weeks, typical >100 days
– maintenance free
15 Resistors to modify the C-Bus impedance:
Position
Impedance value
110
Ω
,
e.g. for G51 0.6mm Ø
Impedance value
50
Ω,
e.g. for MICC
R180 / 183
402
Ω
182
Ω
R173 / 174 / 177 / 178
110
Ω
49.9
Ω
Impedance adaptation only required if C-Bus line is > 100m. For other impedance
values than 110
Ω
or 50
Ω
–> see document 1594.
16 Programming of "X1":
Use of E3H020
0
Ω
-resistors
”CK” + supply from control unit (Input) (X1-17.. 20)
X15 + X16 + X17 + X18
”CK” + autonomous supply (Output) (X1-17.. 20)
Y15 + Y16 + Y17 + Y18
17 Programming switch "S5": Interfaces RS232-1 and RS232-2, choice of path
via header "ST2" (external modem) or via terminal block "X2" (internal mo-
dem).
Programming switch S5
Interface Application
1 2
internal modem via terminal block ”X2”
off
–
RS232-1
external modem via header ”ST2”
on
–
internal modem via terminal block ”X2”
–
off
RS232-2
(Service port) external modem via header ”ST2”
–
on
Set to ”off” at factory