Watlow EZ-ZONE RMC - Manual (Page 30)

Watlow EZ-ZONE ® RMC Module • 27 • Chapter 2 Install and Wire
Warning:
ç
Use National Electric (NEC) or other
country-specific standard wiring and
safety practices when wiring and
connecting this controller to a power
source and to electrical sensors or pe-
ripheral devices. Failure to do so may
result in damage to equipment and
property, and/or injury or loss of life.
Note:
Maximum wire size termination and
torque rating:
• 0.0507 to 3.30 mm2 (30 to 12 AWG)
single-wire termination or two 1.31
mm2 (16 AWG)
• 0.8 Nm (7.0 in-lb.) torque
Note:
Adjacent terminals may be labeled
differently, depending on the model
number.
Note:
To prevent damage to the controller,
do not connect wires to unused ter-
minals.
Note:
Maintain electrical isolation between
digital input-outputs, switched dc/open
collector outputs and process outputs
to prevent ground loops.
Note:
If the last two digits of the part number
are "12", this equipment is suitable for
use in CLASS I, DIVISION 2, Groups A,
B, C and D or Non-Hazardous locations
only. Temperature Code T4
Warning:
ç
Explosion Hazard – Substitution of
component may impair suitability for
CLASS I, DIVISION 2.
Warning:
ç
Explosion Hazard - Do not disconnect
while the circuit is live or unless the
area is known to be free of ignitable
concentrations of flammable sub-
stances.
Quencharc Note:
Switching pilot duty inductive loads (re-
lay coils, solenoids, etc .) with the me-
chanical relay, solid state relay or open
collector output options requires use of
an R .C . suppressor .
Output 1, 3, 5, 7 Switched DC/Open Collector
RMC Part # Digit 5, 7, 9, 11 is U, D, E, F or G
dc - (open collector)
dc +
common
X_
W_
Y_
Slot A, B, D, E Switched DC
• 30 mA dc maximum
supply current
• short circuit limited to
<50 mA
• 22 to 32VÎ (dc) open
circuit voltage
• Use dc- and dc+ to
drive external solid-
state relay.
• DIN-A-MITE compat-
ible
Open Collector
• 100 mA maximum
output current sink
• 30VÎ (dc) maximum
supply voltage
• Any switched dc out-
put can use the com-
mon terminal.
• Use an external class
2 or *SELV power
supply to control a dc
load, with the load
positive to the positive
of the power supply,
the load negative to
the open collector and
common to the power
supply negative.
*Safety Extra Low
Voltage
Switched DC
dc +
dc -
common
24V
X_
W_
Y_
Open Collector
Load
Power Supply
dc -
common
24V
X1
W1
Y1 _
Output 2, 4, 6, 8 Switched DC
RMC Part # Digit 5, 7, 9, 11 is U, D, E, F or G
dc -
dc +
W_
Y_
Slot A, B, D, E Switched DC
• 30 mA dc maximum
supply current
• short circuit limited to
<50 mA
• 22 to 32VÎ (dc) open cir-
cuit voltage
• Use dc- and dc+ to drive
external solid-state re-
lay.
• DIN-A-MITE compatible
dc +
dc -
common
24V
W_
Y_