iseg EHQ F007n-F User manual

Spezialelektronik GmbH
iseg Spezialelektronik GmbH Email: [email protected] Phone ++ 49 351 / 26 996 - 0
Bautzner Landstr. 23 htt//www.iseg-hv.de Fax ++ 49 351 / 26 996 - 21
D - 01454 Radeberg/Rossendorf Germany
High Voltage Power Supply EHQ F007n-F
16 floating channels with - 700 V / 4 mA each
controllable in voltage or current control mode
(Art. no.: EH160-07n405R51-K)
Operators Manual
Contents
1. General information
2. Technical data
3. Handling
Attention!
-The device must not be operated with the cover removed.
-We decline all responsibility for damages and injuries caused by
an improper use of the module. It is highly recommended to read
the manual before any kind of operation.
Note
The information in this manual is subject to change without notice. We take no responsibility for any error in the
document. We reserve the right to make changes in the product design without reservation and without
notification to the users.
Filename EHQF007n_405-F_V102__; version 1.02 as of 2004-08-26

Spezialelektronik GmbH
iseg Spezialelektronik GmbH Email: [email protected] Phone ++ 49 351 / 26 996 - 0
Bautzner Landstr. 23 http://www.iseg-hv.com Fax ++ 49 351 / 26 996 - 21
D - 01454 Radeberg/Rossendorf Germany 2
1. General information
The EHQ F007n_405-F is a 16-channel high voltage power supply in 6U Eurocard format. Each single channel
is independently controllable in voltage or current control mode. The outputs HV-out positive - floating HV-GND
- and HV-out negative of each channel are both floating against each other and against ground.
The 16-channel module is added at two 8-channel modules EHQ 8007n_405-F, which are controlled
independently of each other.
The module is made ready for mounting into a crate or to supply separately with the necessary power.
The unit is software controlled via CAN Interface directly through a PC or similar controller with the commands
for the device class 7 according the attached manual for the CAN Interface.
The HV output at the EHQ F007n_405-F is equipped with a REDEL connector.
CHANNEL OK
SL
HV-OUT
HV C
SL
SL
0 0
1
2
3
4
5
6
7
1
2
3
4
5
6
7 8 9
9
10
11
12
13
14
15
8
10
11
12
13
14
15
C HV
I
V
max
max
INHIBIT 0-7
16 x -700 V / 4 mA
EHQ F007n-F
INHIBIT 8-15
2. Technical data
16 channel HV module EHQ F007n_405 - F
Output current IOmax. 4 mA
Output voltage VO0 to 700 V
Floating Connector “C” (+) to GND: ≤⏐20 V⏐
Connector “HV” (-) to GND: ≤⏐20 V⏐- VO
Ripple and noise < 20 mV (at max. load and VO> 50 V)
Interface CAN-Interface
Voltage setting Via software, resolution 14 mV
Current setting Via software, resolution 80 nA
Voltage measurement Via software, resolution 14 mV
Current measurement Via software, resolution 80 nA
Accuracy of measurement Voltage: ±(0,01% ∗VO+ 0,02% ∗VO max)
(for one year) Current: ±(0,01% ∗IO+ 0,01% ∗IO max)
Temperature coefficient < 5 ∗10-5/K
Stability < 5 ∗10-5 (no load/load and ∆VIN)
Rate of change of
output voltage Via software: 0,28 V/s to 70 V/s resolution 0,5 V
Channel control
via software Status 8 bit: channel error, KILL- enable, channel emergency cut-off, ramp, channel on/off, input error,
current trip
16 channels error control via
hardware limit Current limit Voltage limit (″Channels 0-15 OK″is signalled if
these limits do not exceed on each.)
Error signal Green LED at ″Channels 0-15 OK″
Protection loop (SL),
2 pin Lemo-socket 5 mA < Is < 20 mA ⇒module on
I
s < 0,5 mA ⇒module off
INHIBIT per channel About Sub-D-9 connectors INHIBIT (TTL level)
INHIBIT 0-7 / Channel 0 1 2 3 4 5 6 7
GND
INHIBIT 8-15 / Channel 8 9 10 11 12 13 14 15 GND
Sub-D-9 connector / PIN 1 2 3 4 5 6 7 8 9
Power requirements VIN + 24 V (< 3,5 A) and + 5 V (< 0,5 A)
Packing 16-channels in 6U Euro cassette (w/d: 40,64 /220 mm)
Connector 96-pin connector according to DIN 41612
HV connector REDEL connector equipped with 34 pins

Spezialelektronik GmbH
iseg Spezialelektronik GmbH Email: [email protected] Phone ++ 49 351 / 26 996 - 0
Bautzner Landstr. 23 http://www.iseg-hv.com Fax ++ 49 351 / 26 996 - 21
D - 01454 Radeberg/Rossendorf Germany 3
3. Handling
The supply voltages and the CAN interface is connected to the module via a 96-pin connector on the rear side
of the module.
The maximum output current and voltage for all channels is defined through the position of the corresponding
potentiometer Imax or Vmax at the front panel. It is possible to measure the hardware current or voltage limit,
which has been set with reference to the maximum possible current at the socket below. 100 % Imax or Vmax
corresponds to 2,5 V.
The output current and voltage will be limited to the setting value after it exceeds the threshold and the green
LED on the front panel is ‘OFF‘.
If the HV channel should work in the current control mode (IOaccording ISET via software), the KILL function
must be disable for this channel.
At the bottom on the right upper side of the front panel is the socket for the safety loop. If the safety loop is
active then output voltage on all channels is only present if a current is flowing in a range of 5 to 20 mA of any
polarity through the pins of this connector and the SL-contacts at the REDEL-connector ( i.e. safety loop
closed). If the safety loop is opened during operation then the output voltages are shut off without ramp and the
corresponding bit in the ‘Status module’ will be cancelled. After the loop will be closed again the channels must
be switched ‘ON’ and a new set voltage must be given before it is able to offer an output voltage. The pins of
the loop are potential free, the internal voltage drop is ca. 3 V. Coming from the factory the safety loop is not
active (the corresponding bit is always set). Removing of an internal jumper makes the loop active (s. App. A).
Additionally it is possible to install a INHIBIT for each channel (n= 0 to 15) via the Sub-D-9 connectors INHIBIT
0-7 and 8-15. If the INHIBIT contact pin (n) will be connected to the GND pin (or LOW potential) then the HV-PS
on this channel will be switched off without ramp. The GND pins are internally connected to the module GND.
Attention: If this will be disconnected again (HIGH potential or open), then the HV will be set,
according to the present VSET , to VOUT without ramp! Please shut the channel “OFF” or write
VSET= 0 before!
The connector HV-out positive - floating HV-GND - of each channel should be connected to ground at a certain
chosen point. Otherwise it must be sure, that the potential between HV-out positive and GND should not exceed
the amount of ⎪20 V⎪.
Pin assignment 96-pin connector according to DIN 41612:
PIN PIN PIN Data
a1 b1 c1 +5V
a3 b3 c3 +24V
a5 b5 c5 GND
a11 @CAN_GND ⎫
b11 @CANL ⎬potential free
c11 @CANH ⎭
a13 RESET
b13 OFF with ramp (e.g. 10s after power fail)
a30 A4 b30 A5 c30 GND ⎫
a31 A2 b31 A3 c31 GND ⎬Address field
a32 A0 b32 A1 c32 GND ⎭module address ( A0 ... A5)
The hardware signal “OFF with ramp” (Pulse High-Low-High, pulse width ≤100 µs) on pin b13 will be shut off
the output voltage for all channels with a ramp analogue to the Group access “Channel ON/OFF”. The ramp
speed is defined to VOUTmax / 50 s. This is the actually module ramp speed after “OFF with ramp”.
With help of the Group access “Channel ON/OFF”all channels are switched “ON” again.
With the address field a30/b30 ..... a32/b32 the module address will be coded.
Connected to GND ⇒A(n) = 0 ; contact open ⇒A(n) = 1