Instruction manual

Instruction Manual
D200354X012
4200 Transmitters
July 2013
14
Figure 4. Wiring Connections
NOTES:
1 4212 AND 4222 POSITION SWITCHES WITHOUT THE TRANSMITTER CIRCUIT DO NOT REQUIRE A RECEIVING DEVICE OR THE ASSOCIATED WIRING.
2 RECEIVING DEVICE MAY BE ANALOG CURRENT INPUT TO DISTRIBUTED CONTROL SYSTEM, PROGRAMMABLE LOGIC
CONTROLLER OR INDICATING DEVICE. INDICATING DEVICE CAN BE A VOLTMETER ACROSS A 250 OHM RESISTOR OR A CURRENT METER.
3 DURING NORMAL CONDITIONS, RELAYS K1 AND K2 ARE ENERGIZED, WHICH CONNECTS THE COMMON (C) TERMINAL TO THE NORMALLY OPEN (NO) TERMINAL. A TRIPPED
(OR ALARM) CONDITION IS WITH THE RELAY(S) DE‐ENERGIZED, WHICH CONNECTS THE COMMON (C) TERMINAL TO THE NORMALLY CLOSED (NC) TERMINAL.
4 SEPARATE RETURN REQUIRED FOR RELAYS. RETURN WIRE MUST BE CONNECTED EVEN IF RELAY OUTPUTS ARE NOT USED.
4
1
12
2
3
3
POWER
SUPPLY
+
-
DEVICE
RECEIVING
4 TO 20 MA
DC SIGNAL
+
-
DEVICE
RECEIVING LO
POSITION
SWITCH OUTPUT
(CONTACT
CLOSURE)
DEVICE
RECEIVING HI
POSITION
SWITCH OUTPUT
(CONTACT
CLOSURE)
TRANSMITTER
FIELD WIRING
FOR FISHER 4210, 4215, OR 4220 TRANSMITTER WITH POSITION SWITCHES
AND 4212 OR 4222 POSITION SWITCHES WITHOUT THE TRANSMITTER
RELAY RETURN
POWER
SUPPLY
DEVICE
RECEIVING
4 TO 20 MA
DC SIGNAL
+
-
+
-
TRANSMITTER
FIELD WIRING
FOR FISHER 4211 OR 4221 TRANSMITTER WITHOUT POSITION SWITCHES
C0601‐4
R
FIELD CIRCUIT PRINTED
WIRING BOARD
FIELD WIRING
COMPARTMENT
POSITION SWITCH
FIELD WIRING
GROUNDING
TERMINAL
UNDER PRINTED
WIRING BOARD
TB1
TB3
TB2
EARTH
GROUND
EARTH
GROUND
GROUNDING
TERMINAL
BARRIER STRIP (KEY 11)
FIELD WIRING
COMPARTMENT
SAFETY GROUND
For units with position switches, the power supply provides 24 volt DC power to the position switch circuit in units
without the transmitter, or to both the position switch circuits and transmitter in units with the transmitter. A 24 volt