Electrical connection, Operation – INFICON BPG400 ATM to Ultra-High Vacuum Gauge User Manual

Page 2

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Sensor Cable Connection

For reasons of compatibility, the expression "sensor
cable" is used in this document, although the pres-
sure reading of the SD-type gauge is normally
transmitted via the DeviceNet interface.

Connector

D-Sub, 15 pins, male

Cable

Max. 15 conductors,
shielded

Cable length, (conductor cross
section per conductor)

≤35 m

(0.25 mm

2

)

≤50 m

(0.34 mm

2

)

≤100 m (1.0 mm

2

)

Switching functions

2
Setpoints adjustable via
potentiometers (Setpoints
A and B), one floating,
normally open contact per
setpoint

Relay contact rating

Voltage
Current

≤60 VDC

≤0.5 A

Gauge identification

42 k

Ω between Pin 10

(sensor cable) and GND

Grounding principle

→ "Electrical Connection"

Dimensions [mm]

Housing and vacuum connection

→ [1], [2]

Weight

353-507
353-508

≈430 g

≈695 g

Electrical Connection

Sensor Cable Connection

Make sure the vacuum connection is properly made
(

→ [1], [2], "Vacuum Connection").

n

If no sensor cable is available, make one according to
the diagram.

SP A
SP B

SP A

SP B

TxD

RxD

Degas

+U

b

Measuring

signal

42 k

3
6
1
4

9

11

13
14

7
8
2

12
10

5

15

1.25 AT

24V

Degas

Identification

0V

RS232

1

8

9

15

D-Sub, 15 pins, female
soldering side

Pin 1

Relay switching function A, COM contact

Pin 2

Signal output (measuring signal) 0 … +10 V

Pin 3

Threshold (Setpoint) A

0 … +10 V

Pin 4

Relay switching function A, N.O. contact

Pin 5

Supply common GND

Pin 6

Threshold (Setpoint) B

0 … +10 V

Pin 7

Degas on, active high

+24 V

Pin 8

Supply of sensor electronics

+24 V

Pin 9

Relay switching function B, common

Pin 10

Gauge identification

Pin 11

Relay switching function B, N.O. contact

Pin 12

Signal common GND

Pin 13

RS232 TxD

Pin 14

RS232 RxD

Pin 15

Housing, shielding, GND

o

Connect the sensor cable to the gauge and secure it
using the lock screws:

DeviceNet Cable Connection

n

If no DeviceNet cable is available, make one according
to the following indications:

3

1

4

2

5

Micro-Style, 15 pins,
(DeviceNet), female
soldering side

Pin 1

Drain

Pin 2

Supply

+24 VDC

(DeviceNet interface only)

Pin 3

Supply common

GND

(DeviceNet interface only)

Pin 4

CAN_H

Pin 5

CAN_L

o

Connect the DeviceNet cable to the gauge and lock the
cable connector.

The gauge can now be put into operation.

Operation

Caution

Caution: data transmission errors
If the gauge is operated via an RS232 interface
and the DeviceNet at the same time, data trans-
mission errors may occur.
The gauge must not be operated via an RS232
interface and the DeviceNet at the same time.

Operating Software

Before the gauge is put into operation, it has to be configured
for the DeviceNet. A configuration tool and the device specific
EDS file (Electronic Data Sheet) are required for this pur-
pose. This software can be downloaded via internet
(

→ [5]).

Node Address Setting

Set the node address (0 … 63

dec

) via the

"ADDRESS" "MSD" and "LSD" switches.
The node address is polled by the firmware
when the gauge is switched on. If the set-
ting deviates from the stored value, the
new value is taken over into the NVRAM. If
a setting higher than 63 is made, the pre-
vious node address setting remains valid.
If the MSD switch is in the "P" position, the
node address is programmable via the
DeviceNet (

→ [3]).

Data Rate Setting

By means of the "RATE" switch, the data rate can
be set to 125 ("1"), 250 ("2") or 500 kBaud ("5").
If the switch is in any of the "P" positions, the data
rate is programmable via the DeviceNet (

→ [3]).

The admissible data rate depends on several factors
(system parameters, cable lengths etc.) (

→ [8]).

Adjusting the Gauge

→ Adjustment and settings.

Adjusting the Switching Functions

→ Adjustment and settings.

Status Lights

"STATUS MOD" (gauge status):

Light status

Meaning

Dark

No supply

Flashing
red/green

Selftest

Green

Normal operation

Red

Non recoverable error

"STATUS NET" (network status):

Light status

Meaning

Dark

Gauge not online:

– Selftest not yet concluded
– No supply,

→ "STATUS MOD" light

Flashing green

Gauge online but no connection:

– Selftest concluded, but no connection

to other nodes established

– Gauge not assigned to any master

Green

Gauge online; necessary connections
established

Flashing red

One or several input/output connections in
"timed out" status

Red

Communication error. The gauge has de-
tected an error that impedes communica-
tion via the network (e.g. two identical node
addresses (MAC ID) or "Bus-off")

t i ma 3 6 e 1 - b

(2004-02)

Original: German tima36d1-b (2004-02)

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