E3H020 C-Bus Gateway
55
Siemens Building Technologies
007831_a_en_--.doc
Fire & Security Products
03.2004
13.10 Connections
(connect to chassis ground)
(connect to chassis ground)
E3H020
1
2
3
4
5
6
7
8
9
10
11
12
-
13
14
15
16
17
18
19
20
+
+
1
2
3
4
5
6
7
8
9
10
Terminal block
X1
11
12
13
14
15
16
17
18
19
20
unused
F1
F3
F2
1
Module chassis ground
Emergency
operation circuit
EMI-protected
C-Bus
C-Bus (feedback)
V28-1
(RS232)
extended
functions
Module chassis ground
F4
Silence horn
Fire alarm
C
B1
A1
B2
A2
unused
unused
unused
unused
CD
TCLK
RCLK
CTS
RTS
GND1
(receive) RXD
(transmit) TXD
(receive) RXD
(transmit) TXD
GND2
V28-2
(RS232)
Supply
F6
F5
0V
9...30V
Supply 1
Supply 2
K5-3
K5-4
K5-1
K5-2
K6-2
K6-1
K7-3
B3Q700
1)
Configuration as In-/or output see also jumpers X15, X16, X17, X18, Y15, Y16, Y17, Y18 table in chapter Important components
Terminal block
X2
- Cabling C-Bus
for max. length per loop and cable type /
impedance adaption see chapter Wiring principle (C-Bus)
(B2)
(A2)
(B1)
(A1)
1
2
3
+
+
1
Plug-in terminals
K2
24V
24V OUT
GND
Jumper must always be inserted
(inserted at factory)
-
1)
ISO1745 protocol
SWE700A Service-Port, only active if 'S5' is set accordingly