Power Supply Connector And Wiring Tables; Connecting The Power Supply Cable; Mounting The Instrument; Interface Connections - Dräger PointGard 2000 Serie Instrucciones De Uso

2. Ensure the following connections are properly made:
a. Wiring screws are tightened to the correct torque (4.4
... 5.3 Lbs. In. / 0.5 ... 0.6 Nm).
b. All cable connectors are secured with screws.
c. The sensor connector is plugged (PointGard 2200
CAT only).
d. Cable cores of cables that lead into the housing are
secured with a cable ties.
3. Close cover and tighten screws with correct torque (22
Lbs. In./ 2.5 Nm).
4.2 Power supply connector and wiring
tables
A 3-pin connector is provided to connect a power supply
cable. Refer to figures 15 and 16.
Wiring table AC version
Pin Mark
1 L
2
PE
3 N
Wiring table DC version
Pin Mark
1 M / -
2
PE
3 P / +
4.3

Connecting the power supply cable

For figures, refer to the fold-out page.
1. Open the instrument.
2. Route the power supply cable through the corresponding
cable gland 4.
3. Insert the braids of the power supply cable in the provided
3-pin connector following the wiring tables.
– For the DC version of the instrument:
If a non-shielded cable is used or PE is not connected,
bridge pin 1 and 2.
4. Tighten screws of the connector with correct torque (4.4 ...
5.3 Lbs. In. / 0.5 ... 0.6 Nm).
5. Secure the cable cores by tightening a cable tie around
them.
6. Plug the power supply connector into the appropriate
power supply socket.
Instructions for use |
Dräger PointGard 2000 Series
7. Tighten screws with correct torque (4.4 ... 5.3 Lbs. In. / 0.5
8. Close the instrument.
4.4
The instrument can be directly mounted through the internal
mounting holes or by using the optional stainless steel
mounting brackets (83 26 497).
To mount the instrument without brackets:
1. Prepare an even surface following the assembly
1
2
3
4.5

4.5.1 Preparation for interface connections

1. Open the instrument.
Function 2. Remove the dome plug from the appropriate cable gland.
Line
Protective Earth
3. Tighten the counter nut with correct torque (13 +/- 4.4 Lbs.
Neutral
4. Strip wire insulation by 5 to 7mm.
5. Use a ferrule for stranded conductors.
Function
6. Proceed with the appropriate step.
V-
Protective Earth
V+

4.5.2 Relay connections

Relay connections allow triggering of external alarm devices.
9-pin connector
A 9-pin connector is provided for relay wiring.
Risk of electric shock
Voltage differences can cause insulation faults.
► Do not mix electric loads with different voltage types (AC
► Using DC loads, make sure that relay contacts only control
► Using AC loads, make sure that relay contacts are only
– For DC: Power supply socket 16
– For AC: Power supply socket 15
... 0.6 Nm).

Mounting the instrument

instruction (90 33 793) or the dimensions indicated on the
back of the housing
– Keep enough space clear for maintenance purposes
and sensor change:
To the left: 200 mm / 8''
Downwards: 180 mm / 7''
– Mount the instrument using screws. For recommended
screw properties see 18.1.4 Mounting screws.

Interface connections

– For relay connections: Cable gland 5
– For 4-20mA interface connections: Cable gland 3
In. / 1.5 +/- 0.5 Nm).
Connecting relays
Connecting 4-20mA Inter-
face
WARNING
or DC).
devices with the same DC voltage rating (e. g. ≤120 V)
connected to devices sharing a common phase.
Mounting and installation
4.5.2 Relay connections
4.5.3 4-20mA Interface
|
en
11