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DOLD

Safety gate monitors feed


Safety gate monitors and safety switches

 

Safety gate monitoring modules watch the position of movable safety devices by interrogation of safety switches which are operated by safety device opening/closing.

 

Advantages

Safety gate monitoring

  • Wide range of products for a variety of applications
  • All products comply with the safety category 4 acc. to EN 954
  • Type-tested circuits in compliance with relevant norms
  • Prewired modules for DIN rail mounting

Safety switches

  • Reliable position monitoring of safety devices, e.g. safety gates
  • Suited for raw environments thanks to hermetically sealed housing up to IP 67
  • Long service life by wearless switching and proximity operation

Technology

 

Safety gate monitoring

 

Safety gate monitors are designed to comply with the safety category 4.

Line faults and interruptions can be detected by XOR arrangement (combination of NO and NC contacts).

Depending on model the position switches can be monitored for simultaneity with different time tolerances.

 

Safety switches

Safety switches are available either as Reed switches or with semiconductor outputs. They consist of an actuator and a sensor as decoder. The actuator is magnetically encoded. Sensor contacts switch when the sensor detects the encoding of the actuator.

DOLD’s safety switch NE 5020 has a cross fault detection function. When a fault occurs the output contacts of the evaluator are cut off for safety reasons and a restart is prevented. The safety switches are protected against short-circuit currents and interfering voltage pulses.

Applications

Safety gate monitoring

Safety gate monitors can be used for all applications where movable protective devices (safety gates) are required. This is the case where entering into or access to an area with dangerous movements for the purpose of machine operating, setting or fault elimination require such a safety device.

Safety switches

Proximity-operated safety switches are suited for position monitoring of sliding, hinged or detachable safety gates and guards, even in heavily polluted environments or for applications with stringent hygienic requirements. These products can also be used for sluggishly or inaccurately closing gates.

 


Safety gate monitoring modules SAFEMASTER®
All products mentioned comply with the safety category 4 acc. to EN 954.
Function 1-channel/
2-
channel
Output contacts,
max.
Breaking current Ith [A], max. cross fault
detection
nominal voltage Detachable
terminals
Width
[mm]
Type





DCAC


Safety gate monitor, also for low loads 2 2NO 10 A
+ +
45 BD 5985N
Safety gate monitor 2 2NO 10 A
+ + + 100 BN 5986
Emergency stop module/
safety gate monitor
1; 2 2NO 10 A + + +
45 BD 5987
Safety gate monitor
for applications acc. to EN 201
2 3NO 5 A + +
+ 45 BH 5901
Emergency stop module/
safety gate monitor
1; 2 3NO 7 A + + + + 22.5 BG 5925/920
Emergency stop module/
safety gate monitor
1; 2 3NO,1NC 5 A + + + + 45 BH 5919
Emergency stop module/
safety gate monitor
1; 2 3NO, 1NC 10 A
+ +
100 BN 5930.48
Emergency stop module/
safety gate monitor
1; 2 3NO, 1NC 10 A
+ +
100 BN 5983
Emergency stop module/
safety gate monitor
1; 2 3NO, 1NC 10 A +
+
100 BN 5930.48/203,
BN 5930.48/204
Emergency stop module/
safety gate monitor
1; 2 3NO, 1NC 10 A + + +
45 BD 5935
Emergency stop module with delay
up to 600s/safety gate monitor
1; 2 3NO, 1NC,
1NO contact delayed
10 A + + + + 100 BO 5988.47
Emergency stop module with delay
up to 300s/safety gate monitor
1; 2 3NO,
3NO contact delayed
5 A + +
+ 45 BH 5928
Emergency stop module with delay
up to 300s/safety gate monitor
1; 2 3NO,
3NO contact delayed
5 A +
+ + 67.5 BI 5928
Emergency stop module/
safety gate monitor
1; 2 4NO 5 A + + + + 22.5 LG 5925
Emergency stop module/
safety gate monitor
1; 2 4NO, 1NC 5 A + + + + 90 BL 5926
Emergency stop module/safety gate
monitor with short-
circuit detection
1; 2 4NO, 1NC 5 A + + + + 90 BL 5927
Emergency stop module/
safety gate monitor
1; 2 6NO, 1NC 10 A + + + + 100 BO 5988.61
Emergency stop module/
safety gate monitor
1; 2 7NO, 1NC 10 A + + + + 90 BL 5931
NO = normally open contact, NC = normally closed contact, NO contact delayed
For several monitored safety gates in combination with further safety functions see SAFEMASTER®C and SAFEMASTER®M

 

Switch gears SAFEMASTER®
Function Safety category
according to EN 954
2-channel Output contacts,
max.
DC
24 V
Compatible DOLD evaluators Type







Switch gear, magnetically encoded 4 + 2NO + BG 5925/920 NE 5020
Switch gear, magnetically encoded 4 + 2NO, 1NC + All DOLD evaluators NE 5021
NO = normally open contact, NC = normally closed contact





Sort by:
Name Code Image Description Data
BD5935 D BD 5935 BD5935
Emergency Stop Module BD 5935, Output: optionally 1 NO / 1 NC or 3 NO / 1 NC contacts, Gold plated contacts to switch low loads (signal to PLC), 1- or 2-channel connection, Line fault detection on ON pushbutton, Operating state display, LED display for ch download
BD5985N D BD 5985N BD5985N
Safety Gate Monitor BD 5985N, Inputs for 2 position switches, Output: 2 NO contacts for AC 250 V, Gold plated contacts to switch small loads (input for PLC) download
BD5987 D BD 5987 BD5987
Emergency Stop Module BD 5987, Output: 2 NO contacts for AC 250 V, Gold-plated contacts to switch small loads (input for PLC), 1-channel or 2-channel connection, Line fault detection at On pushbutton # Operating state display download
BG 5925 D BG 5925 BG 5925
Emergency Stop Module BG 5925, Output: max. 3 NO contacts, see contacts, Single and 2-channel operation, Line fault detection on On-button, Manual restart or automatic restart when connecting the supply voltage, switch S2 download
BH5928 D BH 5928 BH5928
Emergency Stop Module BH 5928, Output: 3 NO or 2 NO, 1 NC instantaneous contacts and 3 NO release delayed contacts, Single and 2-channel operation, Line fault detection on On-button, when On-button is connected to S33-S34, Manual restart with button on download
BL5926 D BL 5926 BL5926
Emergency Stop Module BL 5926, Output: 4 NO, 1 NC contacts for AC 250 V, 1- or 2-channel connection, Automatic restart, Line fault detection on ON push-button with bridge X2/X3 download
BL5927 D BL 5927 BL5927
Emergency Stop Module BL 5927, Output: 4 NO, 1 NC contacts for AC 250 V,1 NO indication contact, Contact Y32, Y35 gold-plated to switch low loads (input of PLC), 1- or 2-channel connection, Automatic restart download
BL5931 D BL 5931 BL5931
Emergency Stop Module BL 5931, Output: max. 7 NO, 1 NC contacts for AC 250 V, 1- or 2-channel connection, Line fault detection at the On pushbutton, Optionally automatic on feature when operating voltage applied or activation via the On pushbutton download
BN5930.48/203 D BN5930.48/203 BN5930.48/203
Emergency Stop Module BN5930.48/203, BN 5930.48/203 with cross fault detection by connecting 2 different phases, max. 400 V,BN 5930.48/204 with cross fault detection by connecting phase and neutral, max. 230 V, download
BN5983 D BN 5983 BN5983
Emergency Stop Module BN 5983, Output: 3 NO, 1 NC contacts for AC 400 V, Optionally gold-plated contacts to switch small loads (input for PLC), 1-channel or 2-channel connection, LED displays for channels 1 and 2 download
BN5986 D BN 5986 BN5986
Emergency Stop Module BN 5986,Inputs for 2 position switches each with 1 NC and 1 NO contact, With simulation input Y1 - Y2, Output: 2 NO contacts for AC 250 V download
BO5988 D BO 5988 BO5988
Emergency Stop Module BO 5988, Output: max. 6 NO, 1 NC contacts or 1 NO contact for AC 250 V, Optionally with release delayed NO contact to 10 min, 1-channel or 2-channel connection, Line fault detection at On pushbutton download
LG5925 D LG 5925 LG5925
Emergency Stop Module LG 5925, Output: max. 4 NO contacts, see contacts, Single and 2-channel operation, Line fault detection on On-button, Manual restart or automatic restart when connecting the supply, voltage, switch S2 download


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