Wiring Connections - YOKOGAWA ADMAG AXR User Manual

4.5

Wiring Connections

(1) Removing Cover
The cover has the locking screws in front and
behind it as shown in Figure 4.5.1 in case of
explosion proof type. This is used for the cover-
lock system. Loosen cover locking screws
clockwise using a hexagonal wrench (nominal size
3) to unlock the cover. (Upon shipment from the
manufacturing plant, the cover is unlocked.)
Hold the flowmeter with your hand and remove the
cover by turning it in the direction of the arrow as
shown below (both explosion proof and general
purpose types).
Cover locking
screws
Explosion proof type
Figure 4.5.1 Removing the Terminal Box Cover
(2) Terminal Configuration (General - purpose
Use/Explosion Proof Type except TIIS)
When the cover is removed, the connection
terminals will be visible.
➀
➁
+
SUPPLY
−
➂
➃
+
DO
−
➄
Figure 4.5.2 Terminal Configuration
Both Explosion proof and
General purpose types
F0411.ai
F0412.ai
<4. WIRING>
The description of the terminal symbols is shown in
Table 4.5.1.
Table 4.5.1 Terminal Symbols
No. Terminal Symbols
Functional grounding
➀
+
➁
SUPPLY
Power supply and current output
–
➂
+
Digital output (One output can be selected
➃
DO
–
from pulse, alarm or status outputs.)
➄
(3) Terminal Configuration (TIIS Explosion
Proof Type)
When the cover is removed, the connection
terminal will be visible.
➁
➂
SUPPLY
➃
➀
➄
DO
➅
Figure 4.5.3 Terminal Configuration
The description of the terminal symbols is shown in
Table 4.5.2.
Table 4.5.2 Terminal Symbols
No. Terminal Symbols
Functional grounding
➀
Class A grounding
➁
+
➂
SUPPLY Power supply and current output
–
➃
+
Digital output (One output can be selected
➄
DO
–
from pulse, alarm or status outputs.)
➅
4-6
Description
F0413.ai
Description
IM 01E30D01-01EN