Bray 6A Series O&M Manual - Manual (Page 37)

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 : 37
2 Optional Models
Technical specifications
1) Only in conjunction with the basic device 6DR5...-.E.... Only T4 permissible when using with I
y
module.
Add-on modules Without Ex protection/
with Ex d protection
With Ex ia/ib protection With Ex n/dust protection
Ex protection acc. to ATEX – II 2G Ex ia/ib II C T4/T5/T6 1) Ex n
II 3 G Ex nA nL[nL] IIC T6
Dust
II 3 D Ex tD A22 IP66 T100°C
Mounting location – Zone 1 Zone 2/22
Permissible ambient temperature for opera-
tion
(For devices with Ex protection: Only in con-
junction with the basic device 6DR5... -.E....
Only T4 permissible when using I
y
module.)
-30 ... +80 °C (-22 ... +176 °F) T4: -30 ... +80 °C (T4: -22 ... +176 °F)
T5: -30 ... +65 °C (-22 ... +149 °F)
T6: -30 ... +50 °C (-22 ... +122 °F)
Alarm unit 6DR4004-8A
Binary alarm outputs A1, A2 and alarm output
• Signal status High (not responded)
Signal status Low* (responded)
(* Low is also the status when the basic
device is faulty or has no electric power
supply)
Conductive, R = 1 kΩ, +3/1 %*
Disabled, I
R
< 60 µA
≥ 2.1 mA
≤ 1.2 mA
(* When used in the flameproof
enclosure the current consump-
tion must be limited to 10 mA
per output.)
(Switching threshold with supply to EN 60947-5-6: U
H
= 8.2 V,
R
i
= 1 kΩ)
• Internal capacitance C
i
– 5.2 nF 5.2 nF (at "nL")
• Internal inductance L
i
– Negligible
• Power supply U
H ≤ 35 V –
• Connecting to circuits with the following
peak values
– Intrinsically safe switching
amplifier 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
Binary input BE2
• Electrically connected to the basic device
- Signal status 0 Floating contact, open
Floating contact, closed
3 V, 5 mA
≤ 4.5 V or open
≥ 13 V
≥ 25 kΩ
- Signal status 1
- Contact load
• Electrically isolated from the basic device
- Signal status 0
- Signal status 1
- Natural resistance
• Static destruction limit ± 35 V –
• Internal inductance and capacitance – Negligible
• Connecting to circuits with the following
peak values
– Intrinsically safe U
i
= 25.2 V at "nA" and "tD":
U
n
= 25.2 V DC
at "nL":
U
i
= 25.2 V DC
Electrical isolation The 3 outputs, the input BE2 and the basic device are electrically isolated from each other
Test voltage 840 V DC, 1 s