NSG 438
19
To conform with VDE 0104, the control of the warning lamps must make
use of the interlock feature. The instruments can be switched on and the
red lamp lights up as soon as the interlock circuit is complete.
The pair of terminating connectors supplied must be utilized in the case of
not making use of external interlock contacts.
Signal specifications:
Voltage 48Vdc max.
Current 20mA min., 1A max.
Connector:
Socket, D-sub. 15-pin
Max. permissible
cable length:
3m each, screened cable
(correct operation guaranteed up to 10m)
Operation effected via potential-free switch contacts.
All signals are active LOW, i.e. switched to GND.
The pin-out of the interlock input and output connector is identical. All the
pins are connected together. The connection to pin 3 is made internally
through the emergency off button. This link is broken when the internal
interlock is activated.
