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Handling the device
5.9 The analogue interface
The analogue interface allows to monitor the device's
output values (voltage and current) and the condition
(errors) remotely. It can also start or stop a charging.
The monitor outputs represent with 0...10V the nominal
values of the device from 0...100%.
The temperature sensor is also connected to the ana-
logue interface. The clamps are suitable for 20 - 26
AWG wires, dismantled at least 10mm.
See the table on the previous page for pin assigment
and levels.
Attention! Do not connect anything to pins 11 and
12.
In order to remotely start or stop a charging procedure,
the device has to switched to remote control by pulling
pin 7 to low. Also see the examples below.
Note: Using the digital inputs „Remote" or „REM-SB"
requires to use a low-resistive contact (switch, relay,
open collector transistor). A digital output of a control
application like a PLC might not be sufficient here.
Please consult the technical documentation of your
control application first.
5.9.1
Pin assignment of the analogue interface
1
Type
Pin
Name
1
Temp sensor
AO Temperature sensor
Trickle /
2
AO Trickle charge / Charging done
Battery full
3
Charging
AO Charging active
4
VMON
AO Actual value: voltage
5
CMON
AO Actual value: current
6
AGND
7
Remote
AI
8
Start / Stop
AI
9
OT / OVP
AO
10
DGND
11
Reserved
X
12
Reserved
X
1)
AO = Analogue output, AI = analogue input
2)
12V...15V
24
Date: 03-20-2017
Description
Reference for analogue signals
Activate remote control
PS mode: Power output off
Bat mode: Start/Stop charging
Overtemperature OT /
Overvoltage OVP
Reference for digital signals
must not be connected
must not be connected
5.9.2
Connection
The 12 pole analogue interface on the top side is of
type press & clamp. It is eligible for cable cross sections
of 0.1mm² (26 AWG) to 0.5mm² (20 AWG). If possible,
use cable end sleeves.
Clamping procedure:
5.9.3
Example applications
I. Charging start/stop (output on/off)
Before the charging can be started remotely, the de-
vice is required to be set into remote control (pin 7).
In battery charging mode the pin is used to start or stop
the charging.
Level
LM 335
Charging done = High (U
>4V),
High
else = Low (U
<1V)
Low
Charging = High (U
>4V),
High
else = Low (U
<1V)
Low
0....10V corresponds to 0....100% of U
0....10V corresponds to 0....100% of I
External = Low (U
<1V),
Low
Internal = High (U
>4V)
High
© 2006, Elektro-Automatik GmbH & Co. KG
Off / Start = Low (U
<1V),
Low
Irrtümer und Änderungen vorbehalten
On / Stop = High (U
>4V)
High
Low = No error (U
<1V)
Low
High = Error (U
>4V)
High
Electrical specifications
10mV/°K
U
= 30V, I
= -20mA
max
max
Quasi Open Collector with
(2
10k pull-up to Vcc
Accuracy 0.1% at I
= +2mA
Nom
max
Short-circuit-proof against AGND
Nom
For CMON, VMON
U
= 30V
max
I
= -1mA at 5V
max
U
= 30V, I
= -20mA
max
max
Quasi Open Collector with
(2
10k pull-up to Vcc
For control and monitoring signals
Instruction Manual
BC 800 R Series
EN
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