RKI Instruments GD-K77D - Manual (Page 21)

Model GD-K77D Operator’s Manual Installation • 16
Wiring
WARNING: When hooking up wires to the Model GD-K77D at the installation site,
be very careful not to damage the internal electronics of the Model
GD-K77D by a static electric discharge or by improper grounding.
Place the Model GD-K77D detector unit on its side. A vertical placement may cause the
unit to fall over, which may damage the unit.
For the power and signal cables, do not lay them out next to other power cables that carry
an electrical load.
4-20mA Specifications
3-wire 4-20mA
• 18-gauge wire, 3-wire shielded cable recommended.
• For most applications, see RKI wiring chart for more information.
Figure 6: Wiring to RM-570 W/EC-583 Module
Power
Source
8 9 10 11 12
Alarm Device
6 7
Alarm Device
NO
TR
NO
ALM1 ALM2
N O
6
2 1 3 4 5
Alarm Device
GD-K77D Terminal Strip
Power
Source
Power
Source
N ot
Used
RM-570 Controller
w/EC -583 Module
Detector Terminals
Factory Installed
Jumper
5
3
4