NXS Form 63-2600, Users Manual, Technical Data - CONTROL ...

Cabling and connections 63(110)
6.2.2.1 Control cables
The control cables shall be at least 0.0008 in 2 screened multicore cables, see Table 6-1. The
maximum terminal wire size is 0.004 in 2 for the relay terminals and 0.002 in 2 for other terminals.
Find the tightening torques of the option board terminals in Table below.
Terminal Tightening torque
screw Nm lb-in.
Relay and
thermistor
terminals
0.5 4.5
(screw M3)
Other terminals
(screw M2.6)
0.2 1.8
Table 6-8. Tightening torques of terminals
6.2.2.2 Galvanic isolation barriers
The control connections are isolated from the mains potential and the GND terminals are
permanently connected to ground. See Figure 6-17.
The digital inputs are galvanically isolated from the I/O ground. The relay outputs are additionally
double-isolated from each other at 300VAC (EN-50178).
Automation and Control Solutions
Honeywell
Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North 35 Dynamic Drive
Golden Valley, MIN 55422 Scarborough, Ontario 63-2600-1
MIV 4Z9
www.honeywell.com
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