Bray 6A Series O&M Manual - Manual (Page 38)

All information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Series 6A Operation & Maintenance – Technical Data
6A O & M : 38
Technical specifications
Add-on modules Without Ex protection/
with Ex d protection
With Ex ia/ib protection With Ex n/dust protection
SIA module
Limit transmitter with slot-type initiators
and alarm output
6DR4004-8G
(not for Ex d version)
6DR4004-6G
Limit transmitter A1, A2 2-wire connection
Ex protection Without II 2 G Ex ia/ib IIC T6 II 3 G Ex nA nL [nL] IIC T6
Connection 2-wire system to EN 60947-5-6 (NAMUR), for switching amplifier to be connected on load side
2 slot-type initiators Type SJ2-SN
Function NC (normally closed)
Connecting to circuits with the following
peak values
rated voltage 8 V
Current consumption:
≥ 3 mA (limit value not
responded)
≤ 1 mA (limit value
responded)
Intrinsically safe switching ampli-
fier EN 60947-5-6
U
i
= 15.5 V DC
I
i
= 25 mA
P
i
= 64 mW
at "nA" and "tD":
U
n
= 15.5 V DC
P
n
= 64 mW
at "nL":
U
i
= 15.5 V DC
I
i
= 25 mA
Internal capacitance C
i
– 41 nF 41 nF (at "nL")
Internal inductance L
i
– 100 μH 100 μH (at "nL")
Electrical isolation The 3 outputs are electrically isolated from the basic device
Test voltage 840 V DC, 1 s
Alarm output
Connection
To switching amplifier according to EN 60947-5-6 (NAMUR), U
H
= 8.2 V, R
i
= 1 kΩ
Signal state High (not activated) R = 1.1 kΩ ≥ 2.1 mA
Signal state Low (activated) Ri = 10 kΩ ≤ 1.2 mA
Internal capacitance Ci – 5.2 nF 5.2 nF (at "nL")
Internal inductance Li – Negligible
Power supply UH U
H
≤ 35 V DC
I ≤ 20 mA
–
Connecting to circuits with the following
peak values
– Intrinsically safe switching ampli-
fier acc. to EN 60947-5-6
U
i
= 15.5 V DC
I
i
= 25 mA
P
i
= 64 mW
at "nA" and "tD":
U
n
= 15.5 V DC
at "nL":
U
i
= 15.5 V DC
I
i
= 25 mA
Limit value contact module
Limit transmitter with mechanical ground
contact and alarm output
6DR4004-8K
(not for Ex d version)
6DR4004-6K
Limit transmitter A1, A2
Ex protection
Without II 2 G Ex ia/ib IIC T6 II 3 G Ex nL [nL] IIC T6
Max. switching current AC/DC 4 A Connection to intrinsically safe
circuit with maximum values:
U
i
= 30 V,
I
i
= 100 mA,
P
i
= 750 mW
Connection to circuits with maxi-
mum values:
at "nL":
U
i
= 30 V
I
i
= 100 mA,
Max. switching voltage AC/DC 250 V/24 V 30 V DC 30 V DC
Internal capacitance – Negligible Negligible
Internal inductance – Negligible Negligible
Electrical isolation The 3 outputs are electrically isolated from the basic device
Test voltage 3150 V DC, 2 s
Alarm output
Connection
To switching amplifier according to EN 60947-5-6 (NAMUR), U
H
= 8.2 V, R
i
= 1 kΩ
Signal state High (not activated) R = 1.1 kΩ ≥ 2.1 mA
Signal state Low (activated) Ri = 10 kΩ ≤ 1.2 mA
Internal capacitance Ci – 5.2 nF 5.2 nF (at "nL")
Internal inductance Li – Negligible
Power supply UH U
H
≤ 35 V DC
I ≤ 20 mA
–
Connecting to circuits with the following
peak values
– Intrinsically safe switching ampli-
fier acc. to EN 60947-5-6
U
i
= 15.5 V DC
I
i
= 25 mA
P
i
= 64 mW
at "nL":
U
i
= 15.5 V DC
I
i
= 25 mA