MD7FB-FG0/Q [MSYSTEM]
Lightning Surge Protectors for Electronics Equipment M-RESTER;
| 型号： | MD7FB-FG0/Q |
| 厂家： | 
M-SYSTEM |
| 描述： | Lightning Surge Protectors for Electronics Equipment M-RESTER |
| 文件： | 总3页 (文件大小：127K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: MD7FB
Lightning Surge Protectors for
Electronics Equipment M-RESTER
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
LIGHTNING SURGE PROTECTOR FOR
FOUNDATION Fieldbus
(ultra-slim)
APPLICABLE NETWORK
FOUNDATION Fieldbus and other networks complied with
IEC 61158-2
Functions & Features
• High discharge current capacity 20 kA (8 / 20 μs), 1 kA (10
/ 350 μs)
Caution: Power supply to the bus must be limited to 400 mA
or less.
• Ultra-thin 7-mm-wide module can be mounted in high
density
• Excellent protection employing multi-stage SPD circuits
• DIN rail mounting and grounding
• Shield terminal provided
GENERAL SPECIFICATIONS
Construction: Slim-sized front terminal structure
Degree of protection: IP20
Connection: Euro terminal block (torque 0.3 N·m)
Applicable wire size: 0.2 – 2.5 mm
2, stripped length 8 mm
7 [.28]
Grounding: DIN Rail
Housing material: Flame-resistant resin (black)
INSTALLATION
95
[3.74]
Operating temperature: -25 to +85°C (-13 to +185°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: DIN Rail (TH35-7.5, 1-mm-thick)
Oxide film on the surface of an aluminium DIN rail may
lower the electric conductivity between this module and the
ground. Use a steel or copper rail.
98
[3.86]
mm [inch]
Weight: 70 g (2.5 oz)
MODEL: MD7FB–[1]0[2]
PERFORMANCE
LINE TO
LINE
LINE TO
EARTH
SHLD TO
EARTH
ORDERING INFORMATION
• Code number: MD7FB-[1]0[2]
Specify a code from below for each of [1] and [2].
(e.g. MD7FB-FF0/Q)
Max. continuous
operating voltage (Uc)
±±32
±602
≤ 5µA
±ꢀ602
±ꢁ002
≤ 5µA
±ꢀ602*ꢀ
±ꢁ002*ꢀ
≤ 5µA*ꢀ
2oltage protection level
(Up) @4k2 (ꢀ.3 / 50 µs)
• Specify the specification for option code /Q
(e.g. /C01)
Leakage current @Uc
Response time
≤ 4 nsec. ≤ 30 nsec. ≤ 30 nsec.*ꢀ
Approx. capacitance
@ꢀ0 kHz
ꢀ500 pF
ꢀ00 pF
ꢀ00 pF*ꢀ
[1] SHIELD TERMINAL (to earth)
FF: Floating
Max. discharge current
(Imax)
30kA (ꢁ / 30 µs)
ꢀ.0kA (ꢀ0 / ±50 µs)
400mA
FG: Grounding
Nominal current (IN)
Internal series resistance
Surge protection
ꢀ.5Ω ±ꢀ0% per line
IEC 6ꢀ64±-3ꢀ Categories Cꢀ, C3, Dꢀ
SAFETY APPROVAL
*ꢀ. 2alues for the $oating type (FF). Shortcircuited for the ground-
0: None
ing type (FG).
[2] OPTIONS
blank: none
/Q: Options other than the above (specify the specification)
MD7FB SPECIFICATIONS
ES-8066 Rev.9 Page 1/3
https://www.m-system.co.jp/
MODEL: MD7FB
STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
8–M3 EURO
WIRE INSERTION ANGLE: approx. 20°
TERMINAL
8
6
5
4
8
DIN RAIL
ADAPTOR
6
5
DIN RAIL
4
(35 mm wide)
1
2
3
7
1
2
3
7
(1.5 [.06])
98 [3.86]
7
[.28]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
■ CONNECTION DIAGRAM
Surge Side
4
Protected Side
M-RESTER
Protected Device
Series Resistance
+
–
1
DISCHARGE
ELEMENT
Bus Line
5
6
8
2
3
7
*2
SHLD
(SHLD)
DISCHARGE
ELEMENT
*1
DIN RAIL ADAPTOR
(for grounding)
FG
*3
*5
Crossover Wire
DIN RAIL
*4
Grounding
*1. Choose the grounding (FG) when the shield wire is to be grounded.
*2. When SHLD is not isolated from the bus line, DO NOT connect the surge protector’s terminal 7 to SHLD.
*3. Oxide film on the surface of an aluminium rail may lower the electric conductivity between this module and the ground.
Use a steel or copper rail.
*4. Be sure to ground the DIN rail. Recommended grounding resistance max. 100 ohms.
*5. Cross-wire from the DIN rail to the metal housing of the protected device to equalize the ground potential.
Ground only the surge protector when the protected device has no grounding terminal.
MD7FB SPECIFICATIONS
ES-8066 Rev.9 Page 2/3
https://www.m-system.co.jp/
MODEL: MD7FB
■ NETWORK CONFIGURATION
M-RESTER
*1
G
G
G
G
Crossover Wire
Protected
Devices
(Nodes)
M-RESTER
G
G
G
Protected
Devices
(Nodes)
Crossover Wire
*1. Fieldbus devices complying with IEC 61158-2 operate by a supply voltage between
9V and 32V DC.
Take the M-RESTER’s internal series resistance into consideration when determining the
cable distance if there is a large current flow on the bus line.
When the distance between nodes are relatively long (e.g. grouped and separated by cabinets),
install the M-RESTER by each group of devices. Insert the M-RESTER at the surge side of the network.
For detailed information on the network, refer to that provided by Fieldbus Foundation.
Specifications are subject to change without notice.
MD7FB SPECIFICATIONS
ES-8066 Rev.9 Page 3/3
https://www.m-system.co.jp/
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