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Modem EM260
Operating instructions for an EM260 together with an EK230
1 Safety instructions
!
Please read these instructions carefully before assembling, installing or commissioning
the EM260 to avoid any damage, dangers or problems.
Assembly and installation should be carried out by qualified personnel !
!
The 'AC' version of the EM260 has a power supply of 90...260 V. Do not touch any live
parts as this is extremely dangerous !
Shut off the power supply before carrying out any installation work and before opening the
housing !
Switch the power back on only after all of the work has been completed and the housing
has been firmly closed!
2 Features
•
Modem for use with ELSTER LIS-100 and LIS-200 end devices
•
Internal TTL interface for one of the following communication modules:
– Standard analogue modem
– GSM module
– ISDN adapter
– Ethernet LAN adapter.
– ELSTER-CL0 interface card
•
RS232 / V.24 interface to end device (RxD, TxD, Gnd, DCD, DTR, RI), galvanically separated
•
Power supply for EK2x0 and EK-88
•
5 VDC outputs for interface component of LIS100 devices, only switched on during modem
connection (online status)
•
EMC in accordance with standards EN55011 Class B, EN55024, EN61326 and EN12405
(standard for volume correctors)
•
Operating status display: Power on (green LED), Ring and Online (yellow LED)
•
Apart from mains cable, all cables are already assembled exworks (Plug & Play):
– Data cable
– Power supply for end device
– Communication cable (TAE, ISDN, Ethernet, GSM antenna).
3 Wiring EM260 ßà EK230
EK230 terminal Direction of data
TxD
RxD
RI/DSR
- (GND)
Vext +
Vext -
Betriebsanleitung-EM260-EK230_en_e.doc
EM260 terminal
à
TxD
ß
RxD
n.c.
ßà
GND
ß
+9V
ßà
GND
1 of 4
Elster-Instromet GmbH
For the wiring, a shielded 8-wire cable
(Elster-Instromet ID no. 04250469) is
recommended. In the EM260 the cable
is assembled by Elster-Instromet
exworks. When connecting the EM260
to the EK230, please ensure the cable
is properly inserted into the EMV cable
fitting on the
EK230.
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Summary of Contents for Elster EM260
-
Page 1: Safety Instructions
EM260 to avoid any damage, dangers or problems. Assembly and installation should be carried out by qualified personnel ! The ‘AC’ version of the EM260 has a power supply of 90...260 V. Do not touch any live parts as this is extremely dangerous ! - Page 2 According to the settings in the CL1 modem and the other devices installed in the current loop (CL). This setting (number of rings) is not used in mode 5. In mode 5 the communication module in the EM260 does always pick up an incoming call after the first RING message.
-
Page 3: Power Supply
Elster-Instromet exworks (refer to the table in chapter 6). The replacement of a communication module by another communication module of a different type (e.g. analogue modem replaced by ISDN adapter) can only be carried out by Elster- Instromet exworks or by Elster-Instromet´s customer service. -
Page 4: Technical Data
1. When using a GSM modem, switch off the power on the EM260 before inserting or removing the SIM card!!! 2. The PE connections in both the EM260 and the EK230 should be as short as possible and have as wide a cross-section as possible.