Ó

Output 3 Universal Process

Warning:

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 peripheral devices. Failure to do so may result in damage to equipment and property, and/or injury or loss of life.

Slot B

volts or current - F3

volts +

G3

current +

H3

L4

K4

T2

S2

R2

•0 to 20 mA into 800 Ω maxi- mum load

•0 to 10VÎ (dc) into voltage 1 kΩ minimum load

•scalable

•Output supplies power.

•cannot use voltage and current outputs at same time

•Output may be used as retrans- mit or control.

PM6 _ _ _ _-_ _ F _ A _ _

Note: If output 3 is a universal process output, output 4 cannot function as a variable-time-base output.

Output 3 Solid-state Relay, Form A

Note:

Maximum wire size termination and torque rating:

•0.0507 to 3.30 mm2 (30 to

12 AWG) single-wire termi- nation or two 1.31 mm2 (16 AWG)

•0.8 Nm (7.0 lb.-in.) torque

Note:

Adjacent terminals may be labeled differently, depending on the model number.

Slot B

normally open L3 common K3

L4

K4

T2

S2

R2

•0.5 A at 20 to 264VÅ (ac) maxi- mum resistive load

•20 VA 120/240VÅ (ac) pilot duty

•opto-isolated, without contact suppression

•maximum off state leakage of 105 microamperes

•Output does not supply power.

•Do not use on dc loads.

See Quencharc note. PM6 _ _ _ _ -_ _ K _ A _ _

Solid-state Relay

normally L3 open

K3 common

Internal Circuitry

Note:

Output 4 Switched DC

To prevent damage to the controller, do not connect wires to unused terminals.

Note:

Maintain electrical isolation between analog input 1, digital input-outputs, switched dc/open collector outputs and process outputs to prevent ground loops.

Note:

Slot B

L3

K3

J3

dc- W4 dc+ Y4

T2

S2

R2

•10 mA DC maximum supply current

•short circuit limited to <50 mA

•22 to 32VÎ (dc) open circuit voltage

•Use dc- and dc+ to drive exter- nal solid-state relay.

•DIN-A-MITE compatible

•single-pole: up to 2 in series, none in parallel

PM6 _ _ _ _-_ _ _ C A _ _

Switched DC

+ dc- W4

Load

- dc+ Y4

Internal

Circuitry

The control output common terminal and the digital com-

Output 4 Mechanical Relay, Form A

mon terminal are referenced to different voltages and must remain isolated.

Slot B

L3

K3

•

5 A at 240VÅ (ac) or 30VÎ (dc)

 

maximum resistive load

•

20 mV at 24V minimum load

Mechanical

Relay

Quencharc Note:

Switching pilot duty inductive

normally open

J3

L4

• 125 VA pilot duty at 120/240VÅ

(ac), 25 VA at 24VÅ (ac)

normally L4 open

loads (relay coils, solenoids, etc.) with the mechanical relay, solid state relay or open collector output options requires use of an R.C. sup- pressor.

common

K4

T2

S2

R2

•

100,000 cycles at rated load

• Output does not supply power.

•

for use with ac or dc

See Quencharc note.

PM6 _ _ _ _-_ _ _ J A _ _

K4 common

Internal

Circuitry

Watlow EZ-ZONE®PM Integrated Controller

• 20 •

Chapter 2 Install and Wire