CaptiveAire RZ7-FS User Manual

RZ7-FS

Electronic Timing Relays

Precision DIN-rail mounted timing relays for any industrial application

Sprecher + Schuh’s new RZ7-FS precision electronic timing relays oﬀer 19 diﬀerent output functions applicable to all types of industrial control. In addition to standard and OFF-Delay relays, the series also includes many specials such as an Delay that operates without supply voltage. Various timing ranges from

0.05 seconds to 60 hours are available, with many relays oﬀering multi-time setting capability in the same device.

ON-Delay

OFF-

Solid state accuracy and reliability

Except for their hard silver contacts, all RZ7-FS timing relays are built with solid state electronics and controlled by a mi croprocessor. ey are accurate to within

0.2 percent. eir ruggedness and high level of accuracy is due to the thorough testing of function, timing characteristics and surge voltage strength performed on each device prior to shipment.

In addition, RZ7-FS relays function reliably from 15% under rated oper ating voltage to 10% over rated voltage (AC). Voltage tolerance is even greater in DC applications.

Multiple functions and timing ranges in one relay

e RZ7-FSM combines eight separate timing functions (plus ON and OFF functions) into one device. In addition, ten timing ranges are individually selectable from 0.05 seconds to 60 hours. ese special relays reduce in ventories and are ideal for maintaining remote installations where stocking several diﬀerent timing relays would not be practical.

Many safety and

Timing Relays

Control &

RZ7-FS

The new multifunction RZ7-FSM Electronic

Timing Relay provides eight different timing

functions and ten different timing ranges.

Eliminates additional relays

e standard RZ7-FS is supplied with one single pole double throw contact within a compact case only

22.5mm wide. If more contacts are required, several relays are available that provide two separate, electrically isolated SPDT contacts within the same narrow footprint. Output two is selectable as an instantaneous contact, which can eliminate the need for aux iliary relays in complex installations. ese two pole relays can also be used with an external potentiometer for remote time setting.

(SPDT)

convenience features

• Every RZ7 accepts a broad range of AC and DC supply voltages without special ordering.

• Each relay is equipped with an LED that indicates four output status conditions.

• Finger and back of hand protection to IP40.

• Terminals are captive and supplied in the open position.

• All RZ7’s can be surface mounted, rail mounted, or mounted directly on our family of CA7/CS7 or CA4/CS4 devices.

• RZ7 relays can be mounted in any plane.

• Terminals, setting knob and LED’s are all accessible from the front of the unit.

• RZ7 Timing Relays are very compact, measuring approximately 1" x 3" x 4".

G39

Control &

Timing Relays

RZ7-FS

Electronic Timing Relays

Quick Selection Guide

Single Function Timing Relays

RZ7-FS A 3 A U23

Type Function

A On-Delay B Off-Delay C On and Off-Delay D One Shot / Watchdog E Fleeting Off-Delay F Symmetric ﬂasher starting with a pulse G Symmetric ﬂasher starting with a pause

I On-Delay pulse generator

J On-Delay (pulse controlled) K One Shot / Watch Dog (pulse controlled) L Impulse Converter

RZ7-FS Q 3 Q U18

Type

Q Off-Delay Without Supply Voltage

Function

Contacts

All functions:

3 One single pole double throw contact

Functions A & B only:

Two single pole

double throw contacts ➋

(Available with Time Range “U” only. Not available with “U18” supply voltage)

Contacts

3 One single pole

double throw contact

Two single pole double

throw contacts ➋

Time Ranges

A 0.05…1 second B 0.15… 3 seconds C 0.5…10 seconds D 1.5…30 seconds E 0.05…1 minute F 0.15…3 minutes G 0.5…10 minutes H 1.5…30 minutes

I 0.05…1 hour

J 0.15…3 hours K 0.5…10 hours L 3.0…60 hours U 0.05s…60 hours ➊

Time Ranges

Q 0.15s…10 minutes ➊

Supply Voltages

Standard:

U23 24…48VDC 24…240V 50/60Hz

Special Order:

U18* 24…240VAC or DC A40 346…440V 50/60Hz ➌ Z12 12VDC

* Not available with Time Range “U”

Supply Voltages

U18 24…240VAC or DC

Series RZ7-FS

Multi-Function Timing Relay

RZ7-FS M 3 U U23

Type Function

M Multi-Function

Eight single functions plus ON & OFF function (for installation/maintenance)

- On-Delay

- Off-Delay

- On and Off-Delay

- One Shot / Watchdog

- Fleeting Off-Delay

- Symmetric ﬂasher starting with a pulse

Contacts

3 One single pole

double throw contact

Two single pole

double throw contacts ➋

Time Ranges

U 0.15…60 hours

Supply Voltages

➊

Standard:

U23 24…48VDC 24…240V 50/60Hz

Special Order:

U18 24…240VAC or DC A40 346…440V 50/60Hz ➌ Z12 12VDC

Special Function Timing Relays

RZ7-FS H 3 U U23

Type Function

H Repeat Cycle Timer (Flasher)

Includes four separate functions

- Supply voltage controlled, output starts with a pause

- Supply voltage controlled, output starts with a pulse

- Pulse controlled, output starts with a pause

- Pulse controlled, output starts with a pulse

Contacts

All functions:

3 One single pole double throw contact

Time Ranges

For equal timing of pulse and pause

U 0.05s…60 hours ➊

For separate timing of pulse and pause

V 2 x 0.05s…60 hours

➊

Supply Voltages

Standard:

U23 24…48VDC 24…240V 50/60Hz

Special Order:

A40 346…440V 50/60Hz ➌ Z12 12VDC

RZ7-FS Y 2 C U23

Type

Y Wye Delta Timing Relay

➊

Multi-time setting range. See Technical Section for speciﬁc time settings.

➋

Second output selectable as timed or instantaneous.

Function

Contacts

2 Two normally open

contacts

Time Ranges

C 0.5…10 seconds D 1.5…30 seconds E 0.05…1 minute F 0.15…3 minutes G 0.5…10 minutes

➌

Timers with supply voltage code A40 (346...440VAC) are not UL listed.

Supply Voltages

Standard:

U23 24…48VDC 24…240V 50/60Hz

Special Order:

A40 346…440V 50/60Hz ➌

G40

Discount Schedule B

L/+

N/-

18 16

Z1 Z2

28 26

24 22

L/+

N/-

18 16

L/+

N/-

18 16

Z1 Z2

28 26

24 22

L/+

N/-

18 16

28 26

Electronic Timing Relays

L/+

N/-

18 16

L/+

N/-

18 16

Series RZ7-FS

RZ7-FS Timing Relays – Single Function, One and Two Pole

Functional

Description

ON-Delay Timing Relay (A)

When supply voltage is applied, output contact(s) change state after time delay t.

OFF-Delay Timing Relay (B)

When control contact “S” closes, output contact(s) change state immediately. When control contact S opens, output contact(s) change state after time delay supply voltage required on terminals A1/A2.

Note: Control pulse duration minimum 50ms (AC) - 30ms (DC).

t. Constant

Functional

Diagram

Terminal

Arrangement Type Catalog Number Price

➋

Timing Relays

Control &

• One SPDT contact

• Single timing range

• One SPDT contact

• Multi-timing range (from 0.05s to 60h)

• Two SPDT contacts ➋

• Multi-timing range (from 0.05s to 60h)

➌

➋

➊

➌

• One SPDT contact

• Single timing range

• One SPDT contact

• Multi-timing range (from 0.05s to 60h)

• Two SPDT contacts ➋

• Multi-timing range (from 0.05s to 60h)

➋

RZ7-FSA3✱U23

RZ7-FSA3UU23 64

➍

RZ7-FSA4UU23 84

➍

RZ7-FSB3✱U23

RZ7-FSB3UU23 64

➍

RZ7-FSB4UU23 84

➍

RZ7-FS

• One SPDT contact

Off-Delay Without Supply Voltage (Q)

When supply voltage is applied, output contact(s) change state immediately. When supply voltage is removed, output contact(s) change state after time delay

➏

Ordering Instructions

• Specify catalog number

• Replace (✱) with Timing Range Code

Refer to table

at right

Supply Voltage

Single Function RZ7-FS...U23 timers (except RZ7-FSQ) accept supply voltages of 24…48VDC and 24…240VAC (RZ7-FSQ accepts 24…240VAC or DC). Other voltages are available by special order. See Quick Selection Guide on page G40 for details or contact your Sprecher + Schuh representative for information.

➊

For timing control, a voltage other than the supply voltage can also be used.

• Multi-timing range (from 0.15s to 10min)

• Two SPDT contacts

• Multi-timing range (from 0.15s to 10min) ➎

Timing Range Codes

Timing Range

0.05…1 sec

0.15…3 sec

0.5…10 sec

1.5…30 sec

0.05…1 min

0.15…3 min

0.5…10 min

1.5…30 min

0.05…1 hour

0.15…3 hour

0.5…10 hour

3.0…60 hour

Code

A B C D E F G H

J K L

RZ7-FSQ3QU18 121

➎

RZ7-FSQ4QU18 141

RZ7-FS two pole timing relay

➋ Output two is selectable as an instantaneous contact by sliding a switch on the

faceplate.

➌ Bridge or potentiometer 10kΩ, min. 0.25W (low voltage) for external time setting. ➍ Timing range is screwdriver selectable from the faceplate. Timing range selections

include those found in the Timing Range Code chart.

Discount Schedule B

➎ Timing range is screwdriver selectable from the faceplate. Exact timing ranges can be

found in the Technical Section.

➏ Due to shock during shipment, the state of the contacts should be veriﬁed before

initial use.

G41

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